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846
A
Curriculum Vitae
PROGRAMMING
1,500
[ "brute force", "implementation" ]
null
null
Hideo Kojima has just quit his job at Konami. Now he is going to find a new place to work. Despite being such a well-known person, he still needs a CV to apply for a job. During all his career Hideo has produced *n* games. Some of them were successful, some were not. Hideo wants to remove several of them (possibly zer...
The first line contains one integer number *n* (1<=≤<=*n*<=≤<=100). The second line contains *n* space-separated integer numbers *s*1,<=*s*2,<=...,<=*s**n* (0<=≤<=*s**i*<=≤<=1). 0 corresponds to an unsuccessful game, 1 — to a successful one.
Print one integer — the maximum number of games Hideo can leave in his CV so that no unsuccessful game comes after a successful one.
[ "4\n1 1 0 1\n", "6\n0 1 0 0 1 0\n", "1\n0\n" ]
[ "3\n", "4\n", "1\n" ]
none
0
[ { "input": "4\n1 1 0 1", "output": "3" }, { "input": "6\n0 1 0 0 1 0", "output": "4" }, { "input": "1\n0", "output": "1" }, { "input": "100\n0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0...
1,511,673,959
1,439
Python 3
WRONG_ANSWER
TESTS
4
46
5,529,600
n=int(input()) s=[int(c) for c in input().split()] res=0 for i in range(n): if s[i]==0 and s[i-1]==1: n=n else: res+=1 print(res)
Title: Curriculum Vitae Time Limit: None seconds Memory Limit: None megabytes Problem Description: Hideo Kojima has just quit his job at Konami. Now he is going to find a new place to work. Despite being such a well-known person, he still needs a CV to apply for a job. During all his career Hideo has produced *n* g...
```python n=int(input()) s=[int(c) for c in input().split()] res=0 for i in range(n): if s[i]==0 and s[i-1]==1: n=n else: res+=1 print(res) ```
0
MatrixStudio/Codeforces-Python-Submissions
165
A
Supercentral Point
PROGRAMMING
1,000
[ "implementation" ]
null
null
One day Vasya painted a Cartesian coordinate system on a piece of paper and marked some set of points (*x*1,<=*y*1),<=(*x*2,<=*y*2),<=...,<=(*x**n*,<=*y**n*). Let's define neighbors for some fixed point from the given set (*x*,<=*y*): - point (*x*',<=*y*') is (*x*,<=*y*)'s right neighbor, if *x*'<=&gt;<=*x* and *y*'...
The first input line contains the only integer *n* (1<=≤<=*n*<=≤<=200) — the number of points in the given set. Next *n* lines contain the coordinates of the points written as "*x* *y*" (without the quotes) (|*x*|,<=|*y*|<=≤<=1000), all coordinates are integers. The numbers in the line are separated by exactly one spac...
Print the only number — the number of supercentral points of the given set.
[ "8\n1 1\n4 2\n3 1\n1 2\n0 2\n0 1\n1 0\n1 3\n", "5\n0 0\n0 1\n1 0\n0 -1\n-1 0\n" ]
[ "2\n", "1\n" ]
In the first sample the supercentral points are only points (1, 1) and (1, 2). In the second sample there is one supercental point — point (0, 0).
500
[ { "input": "8\n1 1\n4 2\n3 1\n1 2\n0 2\n0 1\n1 0\n1 3", "output": "2" }, { "input": "5\n0 0\n0 1\n1 0\n0 -1\n-1 0", "output": "1" }, { "input": "9\n-565 -752\n-184 723\n-184 -752\n-184 1\n950 723\n-565 723\n950 -752\n950 1\n-565 1", "output": "1" }, { "input": "25\n-651 897\n...
1,671,557,128
2,147,483,647
PyPy 3
WRONG_ANSWER
TESTS
2
154
0
t = int(input()) seen=set() out=[] res=0 for _ in range(t): x,y=map(int,input().split()) out.append((x,y)) for i in out: r=l=d=u=0 for j in out: if i==j: continue elif i[1]==j[1] and i[0]<j[0]: r+=1 elif i[1]==j[1] and i[0]>j[0]: l+=1 e...
Title: Supercentral Point Time Limit: None seconds Memory Limit: None megabytes Problem Description: One day Vasya painted a Cartesian coordinate system on a piece of paper and marked some set of points (*x*1,<=*y*1),<=(*x*2,<=*y*2),<=...,<=(*x**n*,<=*y**n*). Let's define neighbors for some fixed point from the give...
```python t = int(input()) seen=set() out=[] res=0 for _ in range(t): x,y=map(int,input().split()) out.append((x,y)) for i in out: r=l=d=u=0 for j in out: if i==j: continue elif i[1]==j[1] and i[0]<j[0]: r+=1 elif i[1]==j[1] and i[0]>j[0]: l+=1...
0
MatrixStudio/Codeforces-Python-Submissions
645
C
Enduring Exodus
PROGRAMMING
1,600
[ "binary search", "two pointers" ]
null
null
In an attempt to escape the Mischievous Mess Makers' antics, Farmer John has abandoned his farm and is traveling to the other side of Bovinia. During the journey, he and his *k* cows have decided to stay at the luxurious Grand Moo-dapest Hotel. The hotel consists of *n* rooms located in a row, some of which are occupie...
The first line of the input contains two integers *n* and *k* (1<=≤<=*k*<=&lt;<=*n*<=≤<=100<=000) — the number of rooms in the hotel and the number of cows travelling with Farmer John. The second line contains a string of length *n* describing the rooms. The *i*-th character of the string will be '0' if the *i*-th roo...
Print the minimum possible distance between Farmer John's room and his farthest cow.
[ "7 2\n0100100\n", "5 1\n01010\n", "3 2\n000\n" ]
[ "2\n", "2\n", "1\n" ]
In the first sample, Farmer John can book room 3 for himself, and rooms 1 and 4 for his cows. The distance to the farthest cow is 2. Note that it is impossible to make this distance 1, as there is no block of three consecutive unoccupied rooms. In the second sample, Farmer John can book room 1 for himself and room 3 f...
1,500
[ { "input": "7 2\n0100100", "output": "2" }, { "input": "5 1\n01010", "output": "2" }, { "input": "3 2\n000", "output": "1" }, { "input": "10 1\n1101111101", "output": "6" }, { "input": "2 1\n00", "output": "1" }, { "input": "3 1\n010", "output": "2...
1,645,221,097
2,147,483,647
PyPy 3
OK
TESTS
87
139
6,860,800
from sys import stdin from collections import deque from bisect import * input = lambda: stdin.buffer.readline().decode().strip() n, k = map(int, input().split()) s, que, ans, st, en = input(), [], 10 ** 5, 0, 0 for i in range(n): if s[i] == '0': que.append(i) en += 1 if en - st ...
Title: Enduring Exodus Time Limit: None seconds Memory Limit: None megabytes Problem Description: In an attempt to escape the Mischievous Mess Makers' antics, Farmer John has abandoned his farm and is traveling to the other side of Bovinia. During the journey, he and his *k* cows have decided to stay at the luxuriou...
```python from sys import stdin from collections import deque from bisect import * input = lambda: stdin.buffer.readline().decode().strip() n, k = map(int, input().split()) s, que, ans, st, en = input(), [], 10 ** 5, 0, 0 for i in range(n): if s[i] == '0': que.append(i) en += 1 i...
3
MatrixStudio/Codeforces-Python-Submissions
950
A
Left-handers, Right-handers and Ambidexters
PROGRAMMING
800
[ "implementation", "math" ]
null
null
You are at a water bowling training. There are *l* people who play with their left hand, *r* people, who play with their right hand, and *a* ambidexters, who can play with left or right hand. The coach decided to form a team of even number of players, exactly half of the players should play with their right hand, and ...
The only line contains three integers *l*, *r* and *a* (0<=≤<=*l*,<=*r*,<=*a*<=≤<=100) — the number of left-handers, the number of right-handers and the number of ambidexters at the training.
Print a single even integer — the maximum number of players in the team. It is possible that the team can only have zero number of players.
[ "1 4 2\n", "5 5 5\n", "0 2 0\n" ]
[ "6\n", "14\n", "0\n" ]
In the first example you can form a team of 6 players. You should take the only left-hander and two ambidexters to play with left hand, and three right-handers to play with right hand. The only person left can't be taken into the team. In the second example you can form a team of 14 people. You have to take all five l...
500
[ { "input": "1 4 2", "output": "6" }, { "input": "5 5 5", "output": "14" }, { "input": "0 2 0", "output": "0" }, { "input": "30 70 34", "output": "128" }, { "input": "89 32 24", "output": "112" }, { "input": "89 44 77", "output": "210" }, { ...
1,521,551,969
2,147,483,647
Python 3
RUNTIME_ERROR
TESTS
1
77
7,065,600
def smbg (a,b): if a>b: return(b) elif b>a: return(a) def hig (a,b): if a>b: return(a) elif b>a: return(b) l,r,a=map(int,input().strip().split()) if l == '0' and a == '0': print("0") elif r == '0' and a == '0': ...
Title: Left-handers, Right-handers and Ambidexters Time Limit: None seconds Memory Limit: None megabytes Problem Description: You are at a water bowling training. There are *l* people who play with their left hand, *r* people, who play with their right hand, and *a* ambidexters, who can play with left or right hand....
```python def smbg (a,b): if a>b: return(b) elif b>a: return(a) def hig (a,b): if a>b: return(a) elif b>a: return(b) l,r,a=map(int,input().strip().split()) if l == '0' and a == '0': print("0") elif r == '0' and a...
-1
MatrixStudio/Codeforces-Python-Submissions
673
A
Bear and Game
PROGRAMMING
800
[ "implementation" ]
null
null
Bear Limak likes watching sports on TV. He is going to watch a game today. The game lasts 90 minutes and there are no breaks. Each minute can be either interesting or boring. If 15 consecutive minutes are boring then Limak immediately turns TV off. You know that there will be *n* interesting minutes *t*1,<=*t*2,<=......
The first line of the input contains one integer *n* (1<=≤<=*n*<=≤<=90) — the number of interesting minutes. The second line contains *n* integers *t*1,<=*t*2,<=...,<=*t**n* (1<=≤<=*t*1<=&lt;<=*t*2<=&lt;<=... *t**n*<=≤<=90), given in the increasing order.
Print the number of minutes Limak will watch the game.
[ "3\n7 20 88\n", "9\n16 20 30 40 50 60 70 80 90\n", "9\n15 20 30 40 50 60 70 80 90\n" ]
[ "35\n", "15\n", "90\n" ]
In the first sample, minutes 21, 22, ..., 35 are all boring and thus Limak will turn TV off immediately after the 35-th minute. So, he would watch the game for 35 minutes. In the second sample, the first 15 minutes are boring. In the third sample, there are no consecutive 15 boring minutes. So, Limak will watch the w...
500
[ { "input": "3\n7 20 88", "output": "35" }, { "input": "9\n16 20 30 40 50 60 70 80 90", "output": "15" }, { "input": "9\n15 20 30 40 50 60 70 80 90", "output": "90" }, { "input": "30\n6 11 12 15 22 24 30 31 32 33 34 35 40 42 44 45 47 50 53 54 57 58 63 67 75 77 79 81 83 88", ...
1,462,634,113
613
Python 3
WRONG_ANSWER
PRETESTS
6
46
4,608,000
s = input() s = input().split(" ") times = [0] [times.append(int(x)) for x in s] was = False t = 0 for i in range(len(times) - 1): if times[i + 1] - times[i] > 15: t += times[i] + 15 was = True if not was: print('90') else: print(t)
Title: Bear and Game Time Limit: None seconds Memory Limit: None megabytes Problem Description: Bear Limak likes watching sports on TV. He is going to watch a game today. The game lasts 90 minutes and there are no breaks. Each minute can be either interesting or boring. If 15 consecutive minutes are boring then Lim...
```python s = input() s = input().split(" ") times = [0] [times.append(int(x)) for x in s] was = False t = 0 for i in range(len(times) - 1): if times[i + 1] - times[i] > 15: t += times[i] + 15 was = True if not was: print('90') else: print(t) ```
0
MatrixStudio/Codeforces-Python-Submissions
867
A
Between the Offices
PROGRAMMING
800
[ "implementation" ]
null
null
As you may know, MemSQL has American offices in both San Francisco and Seattle. Being a manager in the company, you travel a lot between the two cities, always by plane. You prefer flying from Seattle to San Francisco than in the other direction, because it's warmer in San Francisco. You are so busy that you don't rem...
The first line of input contains single integer *n* (2<=≤<=*n*<=≤<=100) — the number of days. The second line contains a string of length *n* consisting of only capital 'S' and 'F' letters. If the *i*-th letter is 'S', then you were in Seattle office on that day. Otherwise you were in San Francisco. The days are given...
Print "YES" if you flew more times from Seattle to San Francisco, and "NO" otherwise. You can print each letter in any case (upper or lower).
[ "4\nFSSF\n", "2\nSF\n", "10\nFFFFFFFFFF\n", "10\nSSFFSFFSFF\n" ]
[ "NO\n", "YES\n", "NO\n", "YES\n" ]
In the first example you were initially at San Francisco, then flew to Seattle, were there for two days and returned to San Francisco. You made one flight in each direction, so the answer is "NO". In the second example you just flew from Seattle to San Francisco, so the answer is "YES". In the third example you staye...
500
[ { "input": "4\nFSSF", "output": "NO" }, { "input": "2\nSF", "output": "YES" }, { "input": "10\nFFFFFFFFFF", "output": "NO" }, { "input": "10\nSSFFSFFSFF", "output": "YES" }, { "input": "20\nSFSFFFFSSFFFFSSSSFSS", "output": "NO" }, { "input": "20\nSSFFF...
1,612,868,593
13
Python 3
RUNTIME_ERROR
TESTS
0
46
0
n = int(input()) arr = input() arr = [s for s in arr] s_to_f = 0 f_to_s = 0 for i in range(n - 1): if arr[i] == arr[i+1]: arr = arr[i+1:] else: if arr[i] == 'S': s_to_f +=1 else: f_to_s +=1 arr = arr[i+1:] if s_to_f >f_to_s : print('YE...
Title: Between the Offices Time Limit: None seconds Memory Limit: None megabytes Problem Description: As you may know, MemSQL has American offices in both San Francisco and Seattle. Being a manager in the company, you travel a lot between the two cities, always by plane. You prefer flying from Seattle to San Franci...
```python n = int(input()) arr = input() arr = [s for s in arr] s_to_f = 0 f_to_s = 0 for i in range(n - 1): if arr[i] == arr[i+1]: arr = arr[i+1:] else: if arr[i] == 'S': s_to_f +=1 else: f_to_s +=1 arr = arr[i+1:] if s_to_f >f_to_s : ...
-1
MatrixStudio/Codeforces-Python-Submissions
637
B
Chat Order
PROGRAMMING
1,200
[ "*special", "binary search", "constructive algorithms", "data structures", "sortings" ]
null
null
Polycarp is a big lover of killing time in social networks. A page with a chatlist in his favourite network is made so that when a message is sent to some friend, his friend's chat rises to the very top of the page. The relative order of the other chats doesn't change. If there was no chat with this friend before, then...
The first line contains integer *n* (1<=≤<=*n*<=≤<=200<=000) — the number of Polycarpus' messages. Next *n* lines enlist the message recipients in the order in which the messages were sent. The name of each participant is a non-empty sequence of lowercase English letters of length at most 10.
Print all the recipients to who Polycarp talked to in the order of chats with them, from top to bottom.
[ "4\nalex\nivan\nroman\nivan\n", "8\nalina\nmaria\nekaterina\ndarya\ndarya\nekaterina\nmaria\nalina\n" ]
[ "ivan\nroman\nalex\n", "alina\nmaria\nekaterina\ndarya\n" ]
In the first test case Polycarpus first writes to friend by name "alex", and the list looks as follows: 1. alex Then Polycarpus writes to friend by name "ivan" and the list looks as follows: 1. ivan 1. alex Polycarpus writes the third message to friend by name "roman" and the list looks as follows: 1. roman 1...
1,000
[ { "input": "4\nalex\nivan\nroman\nivan", "output": "ivan\nroman\nalex" }, { "input": "8\nalina\nmaria\nekaterina\ndarya\ndarya\nekaterina\nmaria\nalina", "output": "alina\nmaria\nekaterina\ndarya" }, { "input": "1\nwdi", "output": "wdi" }, { "input": "2\nypg\nypg", "outpu...
1,598,557,221
2,147,483,647
Python 3
TIME_LIMIT_EXCEEDED
TESTS
12
3,000
8,601,600
n=int(input()) lst=[] for i in range(n): s=input() lst.append(s) #print(lst) lst1=[] for j in range(len(lst)-1,-1,-1): if lst[j] not in lst1: lst1.append(lst[j]) for i in lst1: print(i)
Title: Chat Order Time Limit: None seconds Memory Limit: None megabytes Problem Description: Polycarp is a big lover of killing time in social networks. A page with a chatlist in his favourite network is made so that when a message is sent to some friend, his friend's chat rises to the very top of the page. The rela...
```python n=int(input()) lst=[] for i in range(n): s=input() lst.append(s) #print(lst) lst1=[] for j in range(len(lst)-1,-1,-1): if lst[j] not in lst1: lst1.append(lst[j]) for i in lst1: print(i) ```
0
MatrixStudio/Codeforces-Python-Submissions
0
none
none
none
0
[ "none" ]
null
null
There are *n* points on a straight line, and the *i*-th point among them is located at *x**i*. All these coordinates are distinct. Determine the number *m* — the smallest number of points you should add on the line to make the distances between all neighboring points equal.
The first line contains a single integer *n* (3<=≤<=*n*<=≤<=100<=000) — the number of points. The second line contains a sequence of integers *x*1,<=*x*2,<=...,<=*x**n* (<=-<=109<=≤<=*x**i*<=≤<=109) — the coordinates of the points. All these coordinates are distinct. The points can be given in an arbitrary order.
Print a single integer *m* — the smallest number of points you should add on the line to make the distances between all neighboring points equal.
[ "3\n-5 10 5\n", "6\n100 200 400 300 600 500\n", "4\n10 9 0 -1\n" ]
[ "1\n", "0\n", "8\n" ]
In the first example you can add one point with coordinate 0. In the second example the distances between all neighboring points are already equal, so you shouldn't add anything.
0
[ { "input": "3\n-5 10 5", "output": "1" }, { "input": "6\n100 200 400 300 600 500", "output": "0" }, { "input": "4\n10 9 0 -1", "output": "8" }, { "input": "3\n1 4 7", "output": "0" }, { "input": "3\n1 4 6", "output": "3" }, { "input": "3\n1 2 6", "...
1,521,306,420
5,520
Python 3
WRONG_ANSWER
TESTS
12
77
7,065,600
x=int(input()) a = [int(x) for x in input().split()] list.sort(a) t=[] o=a[0] y=len(a) p=a[y-1] for i in range(1,len(a)): t.append(a[i]-a[i-1]) g=min(t) f=1 #print(t,g) for i in range(len(t)): if t[i]%g==0 and g!=1: f=1 #print('a') else: f=0 break count=0 #print(f) if f==0: ...
Title: none Time Limit: None seconds Memory Limit: None megabytes Problem Description: There are *n* points on a straight line, and the *i*-th point among them is located at *x**i*. All these coordinates are distinct. Determine the number *m* — the smallest number of points you should add on the line to make the di...
```python x=int(input()) a = [int(x) for x in input().split()] list.sort(a) t=[] o=a[0] y=len(a) p=a[y-1] for i in range(1,len(a)): t.append(a[i]-a[i-1]) g=min(t) f=1 #print(t,g) for i in range(len(t)): if t[i]%g==0 and g!=1: f=1 #print('a') else: f=0 break count=0 #print(f) ...
0
MatrixStudio/Codeforces-Python-Submissions
37
A
Towers
PROGRAMMING
1,000
[ "sortings" ]
A. Towers
2
256
Little Vasya has received a young builder’s kit. The kit consists of several wooden bars, the lengths of all of them are known. The bars can be put one on the top of the other if their lengths are the same. Vasya wants to construct the minimal number of towers from the bars. Help Vasya to use the bars in the best way ...
The first line contains an integer *N* (1<=≤<=*N*<=≤<=1000) — the number of bars at Vasya’s disposal. The second line contains *N* space-separated integers *l**i* — the lengths of the bars. All the lengths are natural numbers not exceeding 1000.
In one line output two numbers — the height of the largest tower and their total number. Remember that Vasya should use all the bars.
[ "3\n1 2 3\n", "4\n6 5 6 7\n" ]
[ "1 3\n", "2 3\n" ]
none
500
[ { "input": "3\n1 2 3", "output": "1 3" }, { "input": "4\n6 5 6 7", "output": "2 3" }, { "input": "4\n3 2 1 1", "output": "2 3" }, { "input": "4\n1 2 3 3", "output": "2 3" }, { "input": "3\n20 22 36", "output": "1 3" }, { "input": "25\n47 30 94 41 45 20...
1,646,338,167
2,147,483,647
Python 3
RUNTIME_ERROR
TESTS
0
60
0
# 37A # Sort, then find the longest subarray -> n^2*log(n) # Create array with elements, count them -> n^2 ? def solve(): n = int(input()) element_arr = [-1 for _ in range(n)] count_arr = [0 for _ in range(n)] l = 0 for _ in range(n): value = int(input()) for i in range(...
Title: Towers Time Limit: 2 seconds Memory Limit: 256 megabytes Problem Description: Little Vasya has received a young builder’s kit. The kit consists of several wooden bars, the lengths of all of them are known. The bars can be put one on the top of the other if their lengths are the same. Vasya wants to construct...
```python # 37A # Sort, then find the longest subarray -> n^2*log(n) # Create array with elements, count them -> n^2 ? def solve(): n = int(input()) element_arr = [-1 for _ in range(n)] count_arr = [0 for _ in range(n)] l = 0 for _ in range(n): value = int(input()) for i...
-1
MatrixStudio/Codeforces-Python-Submissions
784
A
Numbers Joke
PROGRAMMING
1,700
[ "*special" ]
null
null
The input contains a single integer *a* (1<=≤<=*a*<=≤<=30). Output a single integer.
The input contains a single integer *a* (1<=≤<=*a*<=≤<=30).
Output a single integer.
[ "3\n" ]
[ "27\n" ]
none
0
[ { "input": "3", "output": "27" }, { "input": "1", "output": "4" }, { "input": "2", "output": "22" }, { "input": "4", "output": "58" }, { "input": "5", "output": "85" }, { "input": "6", "output": "94" }, { "input": "7", "output": "121" ...
1,491,313,525
625
Python 3
COMPILATION_ERROR
TESTS
0
0
0
x = input() print(int(30-int(x))
Title: Numbers Joke Time Limit: None seconds Memory Limit: None megabytes Problem Description: The input contains a single integer *a* (1<=≤<=*a*<=≤<=30). Output a single integer. Input Specification: The input contains a single integer *a* (1<=≤<=*a*<=≤<=30). Output Specification: Output a single integer. Demo ...
```python x = input() print(int(30-int(x)) ```
-1
MatrixStudio/Codeforces-Python-Submissions
907
A
Masha and Bears
PROGRAMMING
1,300
[ "brute force", "implementation" ]
null
null
A family consisting of father bear, mother bear and son bear owns three cars. Father bear can climb into the largest car and he likes it. Also, mother bear can climb into the middle car and she likes it. Moreover, son bear can climb into the smallest car and he likes it. It's known that the largest car is strictly larg...
You are given four integers *V*1, *V*2, *V*3, *V**m*(1<=≤<=*V**i*<=≤<=100) — sizes of father bear, mother bear, son bear and Masha, respectively. It's guaranteed that *V*1<=&gt;<=*V*2<=&gt;<=*V*3.
Output three integers — sizes of father bear's car, mother bear's car and son bear's car, respectively. If there are multiple possible solutions, print any. If there is no solution, print "-1" (without quotes).
[ "50 30 10 10\n", "100 50 10 21\n" ]
[ "50\n30\n10\n", "-1\n" ]
In first test case all conditions for cars' sizes are satisfied. In second test case there is no answer, because Masha should be able to climb into smallest car (so size of smallest car in not less than 21), but son bear should like it, so maximum possible size of it is 20.
500
[ { "input": "50 30 10 10", "output": "50\n30\n10" }, { "input": "100 50 10 21", "output": "-1" }, { "input": "100 50 19 10", "output": "100\n50\n19" }, { "input": "99 50 25 49", "output": "100\n99\n49" }, { "input": "3 2 1 1", "output": "4\n3\n1" }, { "...
1,514,039,075
1,175
Python 3
WRONG_ANSWER
PRETESTS
3
46
5,529,600
from math import ceil v1,v2,v3,vm = [int(i) for i in input().strip().split()] car3 = max(v3,vm) if car3 > v2: print(-1) elif v3 >= car3/2.0 and vm >= car3/2.0: print(v1) print(v2) print(car3) else: print(-1)
Title: Masha and Bears Time Limit: None seconds Memory Limit: None megabytes Problem Description: A family consisting of father bear, mother bear and son bear owns three cars. Father bear can climb into the largest car and he likes it. Also, mother bear can climb into the middle car and she likes it. Moreover, son b...
```python from math import ceil v1,v2,v3,vm = [int(i) for i in input().strip().split()] car3 = max(v3,vm) if car3 > v2: print(-1) elif v3 >= car3/2.0 and vm >= car3/2.0: print(v1) print(v2) print(car3) else: print(-1) ```
0
MatrixStudio/Codeforces-Python-Submissions
59
A
Word
PROGRAMMING
800
[ "implementation", "strings" ]
A. Word
2
256
Vasya is very upset that many people on the Net mix uppercase and lowercase letters in one word. That's why he decided to invent an extension for his favorite browser that would change the letters' register in every word so that it either only consisted of lowercase letters or, vice versa, only of uppercase ones. At th...
The first line contains a word *s* — it consists of uppercase and lowercase Latin letters and possesses the length from 1 to 100.
Print the corrected word *s*. If the given word *s* has strictly more uppercase letters, make the word written in the uppercase register, otherwise - in the lowercase one.
[ "HoUse\n", "ViP\n", "maTRIx\n" ]
[ "house\n", "VIP\n", "matrix\n" ]
none
500
[ { "input": "HoUse", "output": "house" }, { "input": "ViP", "output": "VIP" }, { "input": "maTRIx", "output": "matrix" }, { "input": "BNHWpnpawg", "output": "bnhwpnpawg" }, { "input": "VTYGP", "output": "VTYGP" }, { "input": "CHNenu", "output": "chn...
1,674,646,642
2,147,483,647
Python 3
OK
TESTS
30
92
0
''' Welcome to GDB Online. GDB online is an online compiler and debugger tool for C, C++, Python, Java, PHP, Ruby, Perl, C#, OCaml, VB, Swift, Pascal, Fortran, Haskell, Objective-C, Assembly, HTML, CSS, JS, SQLite, Prolog. Code, Compile, Run and Debug online from anywhere in world. ''' a=input() count=0 for i in rang...
Title: Word Time Limit: 2 seconds Memory Limit: 256 megabytes Problem Description: Vasya is very upset that many people on the Net mix uppercase and lowercase letters in one word. That's why he decided to invent an extension for his favorite browser that would change the letters' register in every word so that it ei...
```python ''' Welcome to GDB Online. GDB online is an online compiler and debugger tool for C, C++, Python, Java, PHP, Ruby, Perl, C#, OCaml, VB, Swift, Pascal, Fortran, Haskell, Objective-C, Assembly, HTML, CSS, JS, SQLite, Prolog. Code, Compile, Run and Debug online from anywhere in world. ''' a=input() count=0 for...
3.977
MatrixStudio/Codeforces-Python-Submissions
59
A
Word
PROGRAMMING
800
[ "implementation", "strings" ]
A. Word
2
256
Vasya is very upset that many people on the Net mix uppercase and lowercase letters in one word. That's why he decided to invent an extension for his favorite browser that would change the letters' register in every word so that it either only consisted of lowercase letters or, vice versa, only of uppercase ones. At th...
The first line contains a word *s* — it consists of uppercase and lowercase Latin letters and possesses the length from 1 to 100.
Print the corrected word *s*. If the given word *s* has strictly more uppercase letters, make the word written in the uppercase register, otherwise - in the lowercase one.
[ "HoUse\n", "ViP\n", "maTRIx\n" ]
[ "house\n", "VIP\n", "matrix\n" ]
none
500
[ { "input": "HoUse", "output": "house" }, { "input": "ViP", "output": "VIP" }, { "input": "maTRIx", "output": "matrix" }, { "input": "BNHWpnpawg", "output": "bnhwpnpawg" }, { "input": "VTYGP", "output": "VTYGP" }, { "input": "CHNenu", "output": "chn...
1,637,008,377
2,147,483,647
Python 3
OK
TESTS
30
124
0
s=input() ucc=0 lcc=0 for i in s: if i.isupper()==True: ucc+=1 else: lcc+=1 if lcc>ucc or lcc==ucc: print(s.lower()) else: print(s.upper())
Title: Word Time Limit: 2 seconds Memory Limit: 256 megabytes Problem Description: Vasya is very upset that many people on the Net mix uppercase and lowercase letters in one word. That's why he decided to invent an extension for his favorite browser that would change the letters' register in every word so that it ei...
```python s=input() ucc=0 lcc=0 for i in s: if i.isupper()==True: ucc+=1 else: lcc+=1 if lcc>ucc or lcc==ucc: print(s.lower()) else: print(s.upper()) ```
3.969
MatrixStudio/Codeforces-Python-Submissions
888
B
Buggy Robot
PROGRAMMING
1,000
[ "greedy" ]
null
null
Ivan has a robot which is situated on an infinite grid. Initially the robot is standing in the starting cell (0,<=0). The robot can process commands. There are four types of commands it can perform: - U — move from the cell (*x*,<=*y*) to (*x*,<=*y*<=+<=1); - D — move from (*x*,<=*y*) to (*x*,<=*y*<=-<=1); - L — mo...
The first line contains one number *n* — the length of sequence of commands entered by Ivan (1<=≤<=*n*<=≤<=100). The second line contains the sequence itself — a string consisting of *n* characters. Each character can be U, D, L or R.
Print the maximum possible number of commands from the sequence the robot could perform to end up in the starting cell.
[ "4\nLDUR\n", "5\nRRRUU\n", "6\nLLRRRR\n" ]
[ "4\n", "0\n", "4\n" ]
none
0
[ { "input": "4\nLDUR", "output": "4" }, { "input": "5\nRRRUU", "output": "0" }, { "input": "6\nLLRRRR", "output": "4" }, { "input": "88\nLLUUULRDRRURDDLURRLRDRLLRULRUUDDLLLLRRDDURDURRLDURRLDRRRUULDDLRRRDDRRLUULLURDURUDDDDDLDR", "output": "76" }, { "input": "89\nLDL...
1,550,303,052
2,147,483,647
PyPy 3
WRONG_ANSWER
TESTS
3
124
0
n=int(input()) s=input() f=-1 l=[0,0] for i in range(n): if s[i]=='L':l[0]-=1 elif s[i]=='U':l[1]+=1 elif s[i]=='D':l[1]-=1 else:l[0]+=1 if l==[0,0]: f=i print(f+1 if f!=-1 else 0)
Title: Buggy Robot Time Limit: None seconds Memory Limit: None megabytes Problem Description: Ivan has a robot which is situated on an infinite grid. Initially the robot is standing in the starting cell (0,<=0). The robot can process commands. There are four types of commands it can perform: - U — move from the ce...
```python n=int(input()) s=input() f=-1 l=[0,0] for i in range(n): if s[i]=='L':l[0]-=1 elif s[i]=='U':l[1]+=1 elif s[i]=='D':l[1]-=1 else:l[0]+=1 if l==[0,0]: f=i print(f+1 if f!=-1 else 0) ```
0
MatrixStudio/Codeforces-Python-Submissions
325
A
Square and Rectangles
PROGRAMMING
1,500
[ "implementation" ]
null
null
You are given *n* rectangles. The corners of rectangles have integer coordinates and their edges are parallel to the *Ox* and *Oy* axes. The rectangles may touch each other, but they do not overlap (that is, there are no points that belong to the interior of more than one rectangle). Your task is to determine if the ...
The first line contains a single integer *n* (1<=≤<=*n*<=≤<=5). Next *n* lines contain four integers each, describing a single rectangle: *x*1, *y*1, *x*2, *y*2 (0<=≤<=*x*1<=&lt;<=*x*2<=≤<=31400,<=0<=≤<=*y*1<=&lt;<=*y*2<=≤<=31400) — *x*1 and *x*2 are *x*-coordinates of the left and right edges of the rectangle, and *y*...
In a single line print "YES", if the given rectangles form a square, or "NO" otherwise.
[ "5\n0 0 2 3\n0 3 3 5\n2 0 5 2\n3 2 5 5\n2 2 3 3\n", "4\n0 0 2 3\n0 3 3 5\n2 0 5 2\n3 2 5 5\n" ]
[ "YES\n", "NO\n" ]
none
500
[ { "input": "5\n0 0 2 3\n0 3 3 5\n2 0 5 2\n3 2 5 5\n2 2 3 3", "output": "YES" }, { "input": "4\n0 0 2 3\n0 3 3 5\n2 0 5 2\n3 2 5 5", "output": "NO" }, { "input": "5\n0 0 10000 20000\n10000 0 15000 19999\n10000 19999 14999 20000\n0 20000 15000 31400\n15000 0 31400 31400", "output": "NO...
1,623,258,180
2,147,483,647
PyPy 3
WRONG_ANSWER
TESTS
25
374
409,600
###### ### ####### ####### ## # ##### ### ##### # # # # # # # # # # # # # ### # # # # # # # # # # # # # ### ###### ######### # # # # # # ...
Title: Square and Rectangles Time Limit: None seconds Memory Limit: None megabytes Problem Description: You are given *n* rectangles. The corners of rectangles have integer coordinates and their edges are parallel to the *Ox* and *Oy* axes. The rectangles may touch each other, but they do not overlap (that is, there...
```python ###### ### ####### ####### ## # ##### ### ##### # # # # # # # # # # # # # ### # # # # # # # # # # # # # ### ###### ######### # # # #...
0
MatrixStudio/Codeforces-Python-Submissions
764
B
Timofey and cubes
PROGRAMMING
900
[ "constructive algorithms", "implementation" ]
null
null
Young Timofey has a birthday today! He got kit of *n* cubes as a birthday present from his parents. Every cube has a number *a**i*, which is written on it. Timofey put all the cubes in a row and went to unpack other presents. In this time, Timofey's elder brother, Dima reordered the cubes using the following rule. Sup...
The first line contains single integer *n* (1<=≤<=*n*<=≤<=2·105) — the number of cubes. The second line contains *n* integers *a*1,<=*a*2,<=...,<=*a**n* (<=-<=109<=≤<=*a**i*<=≤<=109), where *a**i* is the number written on the *i*-th cube after Dima has changed their order.
Print *n* integers, separated by spaces — the numbers written on the cubes in their initial order. It can be shown that the answer is unique.
[ "7\n4 3 7 6 9 1 2\n", "8\n6 1 4 2 5 6 9 2\n" ]
[ "2 3 9 6 7 1 4", "2 1 6 2 5 4 9 6" ]
Consider the first sample. 1. At the begining row was [2, 3, 9, 6, 7, 1, 4]. 1. After first operation row was [4, 1, 7, 6, 9, 3, 2]. 1. After second operation row was [4, 3, 9, 6, 7, 1, 2]. 1. After third operation row was [4, 3, 7, 6, 9, 1, 2]. 1. At fourth operation we reverse just middle element, so nothing ha...
1,000
[ { "input": "7\n4 3 7 6 9 1 2", "output": "2 3 9 6 7 1 4" }, { "input": "8\n6 1 4 2 5 6 9 2", "output": "2 1 6 2 5 4 9 6" }, { "input": "1\n1424", "output": "1424" }, { "input": "9\n-7 9 -4 9 -6 11 15 2 -10", "output": "-10 9 15 9 -6 11 -4 2 -7" }, { "input": "2\n2...
1,620,211,967
2,147,483,647
Python 3
WRONG_ANSWER
TESTS
2
46
204,800
n=int(input()) a=list(map(int,input().split())) out="" if(n%2!=0): out=str(a[n//2]) # print(out) for i in range((n//2)-1,-1,-1): if(i%2==0): out=str(a[-i-1])+out+str(a[i]) else: out=str(a[i])+out+str(a[-i-1]) # print(out) print(" ".join(out))
Title: Timofey and cubes Time Limit: None seconds Memory Limit: None megabytes Problem Description: Young Timofey has a birthday today! He got kit of *n* cubes as a birthday present from his parents. Every cube has a number *a**i*, which is written on it. Timofey put all the cubes in a row and went to unpack other p...
```python n=int(input()) a=list(map(int,input().split())) out="" if(n%2!=0): out=str(a[n//2]) # print(out) for i in range((n//2)-1,-1,-1): if(i%2==0): out=str(a[-i-1])+out+str(a[i]) else: out=str(a[i])+out+str(a[-i-1]) # print(out) print(" ".join(out)) ```
0
MatrixStudio/Codeforces-Python-Submissions
469
A
I Wanna Be the Guy
PROGRAMMING
800
[ "greedy", "implementation" ]
null
null
There is a game called "I Wanna Be the Guy", consisting of *n* levels. Little X and his friend Little Y are addicted to the game. Each of them wants to pass the whole game. Little X can pass only *p* levels of the game. And Little Y can pass only *q* levels of the game. You are given the indices of levels Little X can...
The first line contains a single integer *n* (1<=≤<=<=*n*<=≤<=100). The next line contains an integer *p* (0<=≤<=*p*<=≤<=*n*) at first, then follows *p* distinct integers *a*1,<=*a*2,<=...,<=*a**p* (1<=≤<=*a**i*<=≤<=*n*). These integers denote the indices of levels Little X can pass. The next line contains the levels...
If they can pass all the levels, print "I become the guy.". If it's impossible, print "Oh, my keyboard!" (without the quotes).
[ "4\n3 1 2 3\n2 2 4\n", "4\n3 1 2 3\n2 2 3\n" ]
[ "I become the guy.\n", "Oh, my keyboard!\n" ]
In the first sample, Little X can pass levels [1 2 3], and Little Y can pass level [2 4], so they can pass all the levels both. In the second sample, no one can pass level 4.
500
[ { "input": "4\n3 1 2 3\n2 2 4", "output": "I become the guy." }, { "input": "4\n3 1 2 3\n2 2 3", "output": "Oh, my keyboard!" }, { "input": "10\n5 8 6 1 5 4\n6 1 3 2 9 4 6", "output": "Oh, my keyboard!" }, { "input": "10\n8 8 10 7 3 1 4 2 6\n8 9 5 10 3 7 2 4 8", "output":...
1,695,907,855
2,147,483,647
Python 3
OK
TESTS
29
31
0
n=int(input()) p=input().split() q=input().split() r=[] for i in range(1,len(p)): r.append(int(p[i])) for ii in range(1,len(q)): r.append(int(q[ii])) s=set(r) if len(s)>=n: print('I become the guy.') else: print('Oh, my keyboard!')
Title: I Wanna Be the Guy Time Limit: None seconds Memory Limit: None megabytes Problem Description: There is a game called "I Wanna Be the Guy", consisting of *n* levels. Little X and his friend Little Y are addicted to the game. Each of them wants to pass the whole game. Little X can pass only *p* levels of the g...
```python n=int(input()) p=input().split() q=input().split() r=[] for i in range(1,len(p)): r.append(int(p[i])) for ii in range(1,len(q)): r.append(int(q[ii])) s=set(r) if len(s)>=n: print('I become the guy.') else: print('Oh, my keyboard!') ```
3
MatrixStudio/Codeforces-Python-Submissions
1,008
A
Romaji
PROGRAMMING
900
[ "implementation", "strings" ]
null
null
Vitya has just started learning Berlanese language. It is known that Berlanese uses the Latin alphabet. Vowel letters are "a", "o", "u", "i", and "e". Other letters are consonant. In Berlanese, there has to be a vowel after every consonant, but there can be any letter after any vowel. The only exception is a consonant...
The first line of the input contains the string $s$ consisting of $|s|$ ($1\leq |s|\leq 100$) lowercase Latin letters.
Print "YES" (without quotes) if there is a vowel after every consonant except "n", otherwise print "NO". You can print each letter in any case (upper or lower).
[ "sumimasen\n", "ninja\n", "codeforces\n" ]
[ "YES\n", "YES\n", "NO\n" ]
In the first and second samples, a vowel goes after each consonant except "n", so the word is Berlanese. In the third sample, the consonant "c" goes after the consonant "r", and the consonant "s" stands on the end, so the word is not Berlanese.
500
[ { "input": "sumimasen", "output": "YES" }, { "input": "ninja", "output": "YES" }, { "input": "codeforces", "output": "NO" }, { "input": "auuaoonntanonnuewannnnpuuinniwoonennyolonnnvienonpoujinndinunnenannmuveoiuuhikucuziuhunnnmunzancenen", "output": "YES" }, { "in...
1,637,162,335
2,147,483,647
Python 3
COMPILATION_ERROR
TESTS
0
0
0
s = input() x = len(s) vowel = ['a','e','i','o','u'] answer = "YES" for i in range(x - 1): if s[i]! = 'n' and s[i] not in vowel: if s[i+1] not in vowel: answer = "NO" if s[-1] not in vowel and s[-1]!='n': answer = "NO" print(answer)
Title: Romaji Time Limit: None seconds Memory Limit: None megabytes Problem Description: Vitya has just started learning Berlanese language. It is known that Berlanese uses the Latin alphabet. Vowel letters are "a", "o", "u", "i", and "e". Other letters are consonant. In Berlanese, there has to be a vowel after eve...
```python s = input() x = len(s) vowel = ['a','e','i','o','u'] answer = "YES" for i in range(x - 1): if s[i]! = 'n' and s[i] not in vowel: if s[i+1] not in vowel: answer = "NO" if s[-1] not in vowel and s[-1]!='n': answer = "NO" print(answer) ```
-1
MatrixStudio/Codeforces-Python-Submissions
764
A
Taymyr is calling you
PROGRAMMING
800
[ "brute force", "implementation", "math" ]
null
null
Comrade Dujikov is busy choosing artists for Timofey's birthday and is recieving calls from Taymyr from Ilia-alpinist. Ilia-alpinist calls every *n* minutes, i.e. in minutes *n*, 2*n*, 3*n* and so on. Artists come to the comrade every *m* minutes, i.e. in minutes *m*, 2*m*, 3*m* and so on. The day is *z* minutes long,...
The only string contains three integers — *n*, *m* and *z* (1<=≤<=*n*,<=*m*,<=*z*<=≤<=104).
Print single integer — the minimum number of artists that should be killed so that there are no artists in the room when Ilia calls.
[ "1 1 10\n", "1 2 5\n", "2 3 9\n" ]
[ "10\n", "2\n", "1\n" ]
Taymyr is a place in the north of Russia. In the first test the artists come each minute, as well as the calls, so we need to kill all of them. In the second test we need to kill artists which come on the second and the fourth minutes. In the third test — only the artist which comes on the sixth minute.
500
[ { "input": "1 1 10", "output": "10" }, { "input": "1 2 5", "output": "2" }, { "input": "2 3 9", "output": "1" }, { "input": "4 8 9", "output": "1" }, { "input": "7 9 2", "output": "0" }, { "input": "10000 10000 10000", "output": "1" }, { "i...
1,693,111,584
2,147,483,647
PyPy 3-64
RUNTIME_ERROR
TESTS
0
61
2,764,800
n = int(input()) m = int(input()) z = int(input()) count = 0 for i in range(1, z+1): if (i % n == 0 and i % m == 0): count += 1 print(count)
Title: Taymyr is calling you Time Limit: None seconds Memory Limit: None megabytes Problem Description: Comrade Dujikov is busy choosing artists for Timofey's birthday and is recieving calls from Taymyr from Ilia-alpinist. Ilia-alpinist calls every *n* minutes, i.e. in minutes *n*, 2*n*, 3*n* and so on. Artists com...
```python n = int(input()) m = int(input()) z = int(input()) count = 0 for i in range(1, z+1): if (i % n == 0 and i % m == 0): count += 1 print(count) ```
-1
MatrixStudio/Codeforces-Python-Submissions
579
A
Raising Bacteria
PROGRAMMING
1,000
[ "bitmasks" ]
null
null
You are a lover of bacteria. You want to raise some bacteria in a box. Initially, the box is empty. Each morning, you can put any number of bacteria into the box. And each night, every bacterium in the box will split into two bacteria. You hope to see exactly *x* bacteria in the box at some moment. What is the mini...
The only line containing one integer *x* (1<=≤<=*x*<=≤<=109).
The only line containing one integer: the answer.
[ "5\n", "8\n" ]
[ "2\n", "1\n" ]
For the first sample, we can add one bacterium in the box in the first day morning and at the third morning there will be 4 bacteria in the box. Now we put one more resulting 5 in the box. We added 2 bacteria in the process so the answer is 2. For the second sample, we can put one in the first morning and in the 4-th ...
250
[ { "input": "5", "output": "2" }, { "input": "8", "output": "1" }, { "input": "536870911", "output": "29" }, { "input": "1", "output": "1" }, { "input": "343000816", "output": "14" }, { "input": "559980448", "output": "12" }, { "input": "697...
1,675,781,830
2,147,483,647
Python 3
WRONG_ANSWER
TESTS
2
31
0
n = int(input()) i = 1 j = 1 while i <= n: i *= 2 if i <= n: j *= 2 if j == n: print(n // n) elif j < n: print(n // j + (n - j))
Title: Raising Bacteria Time Limit: None seconds Memory Limit: None megabytes Problem Description: You are a lover of bacteria. You want to raise some bacteria in a box. Initially, the box is empty. Each morning, you can put any number of bacteria into the box. And each night, every bacterium in the box will split...
```python n = int(input()) i = 1 j = 1 while i <= n: i *= 2 if i <= n: j *= 2 if j == n: print(n // n) elif j < n: print(n // j + (n - j)) ```
0
MatrixStudio/Codeforces-Python-Submissions
991
D
Bishwock
PROGRAMMING
1,500
[ "dp", "greedy" ]
null
null
Bishwock is a chess figure that consists of three squares resembling an "L-bar". This figure can be rotated by 90, 180 and 270 degrees so it can have four possible states: Bishwocks don't attack any squares and can even occupy on the adjacent squares as long as they don't occupy the same square. Vasya has a board wi...
The input contains two nonempty strings that describe Vasya's board. Those strings contain only symbols "0" (zero) that denote the empty squares and symbols "X" (uppercase English letter) that denote the squares occupied by pawns. Strings are nonempty and are of the same length that does not exceed $100$.
Output a single integer — the maximum amount of bishwocks that can be placed onto the given board.
[ "00\n00\n", "00X00X0XXX0\n0XXX0X00X00\n", "0X0X0\n0X0X0\n", "0XXX0\n00000\n" ]
[ "1", "4", "0", "2" ]
none
1,500
[ { "input": "00\n00", "output": "1" }, { "input": "00X00X0XXX0\n0XXX0X00X00", "output": "4" }, { "input": "0X0X0\n0X0X0", "output": "0" }, { "input": "0XXX0\n00000", "output": "2" }, { "input": "0\n0", "output": "0" }, { "input": "0\nX", "output": "...
1,546,170,288
2,147,483,647
Python 3
OK
TESTS
72
109
0
a = [] a.append(['X'] + list(input()) + ['X']) n = len(a[0]) a.append(['X'] + list(input()) + ['X']) cnt = 0 for i in range(1, n): #print(a[0][i]) #print(a[1][i]) if a[0][i] == '0' and a[1][i] == '0': if a[0][i-1] == '0': cnt += 1 a[0][i-1] = 'X' a[0][...
Title: Bishwock Time Limit: None seconds Memory Limit: None megabytes Problem Description: Bishwock is a chess figure that consists of three squares resembling an "L-bar". This figure can be rotated by 90, 180 and 270 degrees so it can have four possible states: Bishwocks don't attack any squares and can even occup...
```python a = [] a.append(['X'] + list(input()) + ['X']) n = len(a[0]) a.append(['X'] + list(input()) + ['X']) cnt = 0 for i in range(1, n): #print(a[0][i]) #print(a[1][i]) if a[0][i] == '0' and a[1][i] == '0': if a[0][i-1] == '0': cnt += 1 a[0][i-1] = 'X' ...
3
MatrixStudio/Codeforces-Python-Submissions
415
B
Mashmokh and Tokens
PROGRAMMING
1,500
[ "binary search", "greedy", "implementation", "math" ]
null
null
Bimokh is Mashmokh's boss. For the following *n* days he decided to pay to his workers in a new way. At the beginning of each day he will give each worker a certain amount of tokens. Then at the end of each day each worker can give some of his tokens back to get a certain amount of money. The worker can save the rest o...
The first line of input contains three space-separated integers *n*,<=*a*,<=*b* (1<=≤<=*n*<=≤<=105; 1<=≤<=*a*,<=*b*<=≤<=109). The second line of input contains *n* space-separated integers *x*1,<=*x*2,<=...,<=*x**n* (1<=≤<=*x**i*<=≤<=109).
Output *n* space-separated integers. The *i*-th of them is the number of tokens Mashmokh can save on the *i*-th day.
[ "5 1 4\n12 6 11 9 1\n", "3 1 2\n1 2 3\n", "1 1 1\n1\n" ]
[ "0 2 3 1 1 ", "1 0 1 ", "0 " ]
none
1,000
[ { "input": "5 1 4\n12 6 11 9 1", "output": "0 2 3 1 1 " }, { "input": "3 1 2\n1 2 3", "output": "1 0 1 " }, { "input": "1 1 1\n1", "output": "0 " }, { "input": "1 1 1000000000\n1000000000", "output": "0 " }, { "input": "1 1 1000000000\n999999999", "output": "9...
1,589,147,066
2,147,483,647
PyPy 3
OK
TESTS
47
249
34,918,400
import math n, a, b =map(int, input().split()) arr = list(map(int, input().split())) results = [] for x in arr: rem = (x*a) % b k = math.floor(rem/a) results.append(k) print(" ".join(str(x) for x in results))
Title: Mashmokh and Tokens Time Limit: None seconds Memory Limit: None megabytes Problem Description: Bimokh is Mashmokh's boss. For the following *n* days he decided to pay to his workers in a new way. At the beginning of each day he will give each worker a certain amount of tokens. Then at the end of each day each...
```python import math n, a, b =map(int, input().split()) arr = list(map(int, input().split())) results = [] for x in arr: rem = (x*a) % b k = math.floor(rem/a) results.append(k) print(" ".join(str(x) for x in results)) ```
3
MatrixStudio/Codeforces-Python-Submissions
510
A
Fox And Snake
PROGRAMMING
800
[ "implementation" ]
null
null
Fox Ciel starts to learn programming. The first task is drawing a fox! However, that turns out to be too hard for a beginner, so she decides to draw a snake instead. A snake is a pattern on a *n* by *m* table. Denote *c*-th cell of *r*-th row as (*r*,<=*c*). The tail of the snake is located at (1,<=1), then it's body ...
The only line contains two integers: *n* and *m* (3<=≤<=*n*,<=*m*<=≤<=50). *n* is an odd number.
Output *n* lines. Each line should contain a string consisting of *m* characters. Do not output spaces.
[ "3 3\n", "3 4\n", "5 3\n", "9 9\n" ]
[ "###\n..#\n###\n", "####\n...#\n####\n", "###\n..#\n###\n#..\n###\n", "#########\n........#\n#########\n#........\n#########\n........#\n#########\n#........\n#########\n" ]
none
500
[ { "input": "3 3", "output": "###\n..#\n###" }, { "input": "3 4", "output": "####\n...#\n####" }, { "input": "5 3", "output": "###\n..#\n###\n#..\n###" }, { "input": "9 9", "output": "#########\n........#\n#########\n#........\n#########\n........#\n#########\n#........\n#...
1,678,342,346
2,147,483,647
Python 3
OK
TESTS
28
46
0
import sys a,b = map(int,sys.stdin.readline().split()) for i in range(1,a+1): if i % 2 == 1: print("#"*b) else: c = i // 2 if c % 2 == 1: print("."*(b-1) + "#") else: print("#" + "."*(b-1))
Title: Fox And Snake Time Limit: None seconds Memory Limit: None megabytes Problem Description: Fox Ciel starts to learn programming. The first task is drawing a fox! However, that turns out to be too hard for a beginner, so she decides to draw a snake instead. A snake is a pattern on a *n* by *m* table. Denote *c*...
```python import sys a,b = map(int,sys.stdin.readline().split()) for i in range(1,a+1): if i % 2 == 1: print("#"*b) else: c = i // 2 if c % 2 == 1: print("."*(b-1) + "#") else: print("#" + "."*(b-1)) ```
3
MatrixStudio/Codeforces-Python-Submissions
911
A
Nearest Minimums
PROGRAMMING
1,100
[ "implementation" ]
null
null
You are given an array of *n* integer numbers *a*0,<=*a*1,<=...,<=*a**n*<=-<=1. Find the distance between two closest (nearest) minimums in it. It is guaranteed that in the array a minimum occurs at least two times.
The first line contains positive integer *n* (2<=≤<=*n*<=≤<=105) — size of the given array. The second line contains *n* integers *a*0,<=*a*1,<=...,<=*a**n*<=-<=1 (1<=≤<=*a**i*<=≤<=109) — elements of the array. It is guaranteed that in the array a minimum occurs at least two times.
Print the only number — distance between two nearest minimums in the array.
[ "2\n3 3\n", "3\n5 6 5\n", "9\n2 1 3 5 4 1 2 3 1\n" ]
[ "1\n", "2\n", "3\n" ]
none
0
[ { "input": "2\n3 3", "output": "1" }, { "input": "3\n5 6 5", "output": "2" }, { "input": "9\n2 1 3 5 4 1 2 3 1", "output": "3" }, { "input": "6\n4 6 7 8 6 4", "output": "5" }, { "input": "2\n1000000000 1000000000", "output": "1" }, { "input": "42\n1 1 ...
1,649,113,246
2,147,483,647
Python 3
OK
TESTS
140
93
8,806,400
n=int(input()) a=list(map(int, input().split())) m=min(a) p= [i for i, x in enumerate(a) if x == m] #print(p) p.sort() q=[t - s for s, t in zip(p, p[1:])] #print(q) r=min(q) print(r)
Title: Nearest Minimums Time Limit: None seconds Memory Limit: None megabytes Problem Description: You are given an array of *n* integer numbers *a*0,<=*a*1,<=...,<=*a**n*<=-<=1. Find the distance between two closest (nearest) minimums in it. It is guaranteed that in the array a minimum occurs at least two times. I...
```python n=int(input()) a=list(map(int, input().split())) m=min(a) p= [i for i, x in enumerate(a) if x == m] #print(p) p.sort() q=[t - s for s, t in zip(p, p[1:])] #print(q) r=min(q) print(r) ```
3
MatrixStudio/Codeforces-Python-Submissions
749
A
Bachgold Problem
PROGRAMMING
800
[ "greedy", "implementation", "math", "number theory" ]
null
null
Bachgold problem is very easy to formulate. Given a positive integer *n* represent it as a sum of maximum possible number of prime numbers. One can prove that such representation exists for any integer greater than 1. Recall that integer *k* is called prime if it is greater than 1 and has exactly two positive integer ...
The only line of the input contains a single integer *n* (2<=≤<=*n*<=≤<=100<=000).
The first line of the output contains a single integer *k* — maximum possible number of primes in representation. The second line should contain *k* primes with their sum equal to *n*. You can print them in any order. If there are several optimal solution, print any of them.
[ "5\n", "6\n" ]
[ "2\n2 3\n", "3\n2 2 2\n" ]
none
500
[ { "input": "5", "output": "2\n2 3" }, { "input": "6", "output": "3\n2 2 2" }, { "input": "2", "output": "1\n2" }, { "input": "3", "output": "1\n3" }, { "input": "99999", "output": "49999\n2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 ...
1,661,182,713
2,147,483,647
PyPy 3-64
WRONG_ANSWER
TESTS
3
46
0
m = int(input()) z = m//2 print(z) if m%2==1: print(z, m-z) elif m%2==0: while m>0: print("2 ", end= "") m-=2
Title: Bachgold Problem Time Limit: None seconds Memory Limit: None megabytes Problem Description: Bachgold problem is very easy to formulate. Given a positive integer *n* represent it as a sum of maximum possible number of prime numbers. One can prove that such representation exists for any integer greater than 1. ...
```python m = int(input()) z = m//2 print(z) if m%2==1: print(z, m-z) elif m%2==0: while m>0: print("2 ", end= "") m-=2 ```
0
MatrixStudio/Codeforces-Python-Submissions
300
A
Array
PROGRAMMING
1,100
[ "brute force", "constructive algorithms", "implementation" ]
null
null
Vitaly has an array of *n* distinct integers. Vitaly wants to divide this array into three non-empty sets so as the following conditions hold: 1. The product of all numbers in the first set is less than zero (<=&lt;<=0). 1. The product of all numbers in the second set is greater than zero (<=&gt;<=0). 1. The produ...
The first line of the input contains integer *n* (3<=≤<=*n*<=≤<=100). The second line contains *n* space-separated distinct integers *a*1,<=*a*2,<=...,<=*a**n* (|*a**i*|<=≤<=103) — the array elements.
In the first line print integer *n*1 (*n*1<=&gt;<=0) — the number of elements in the first set. Then print *n*1 numbers — the elements that got to the first set. In the next line print integer *n*2 (*n*2<=&gt;<=0) — the number of elements in the second set. Then print *n*2 numbers — the elements that got to the second...
[ "3\n-1 2 0\n", "4\n-1 -2 -3 0\n" ]
[ "1 -1\n1 2\n1 0\n", "1 -1\n2 -3 -2\n1 0\n" ]
none
500
[ { "input": "3\n-1 2 0", "output": "1 -1\n1 2\n1 0" }, { "input": "4\n-1 -2 -3 0", "output": "1 -1\n2 -3 -2\n1 0" }, { "input": "5\n-1 -2 1 2 0", "output": "1 -1\n2 1 2\n2 0 -2" }, { "input": "100\n-64 -51 -75 -98 74 -26 -1 -8 -99 -76 -53 -80 -43 -22 -100 -62 -34 -5 -65 -81 -1...
1,611,474,596
2,147,483,647
PyPy 3
WRONG_ANSWER
TESTS
2
248
102,400
from math import * from collections import * from sys import * t=stdin.readline p=stdout.write def GI(): return map(int, t().strip().split()) def GS(): return map(str, t().strip().split()) def GL(): return list(map(int, t().strip().split())) def SL(): return list(map(str, t().strip().split())) n=int(t()) a=...
Title: Array Time Limit: None seconds Memory Limit: None megabytes Problem Description: Vitaly has an array of *n* distinct integers. Vitaly wants to divide this array into three non-empty sets so as the following conditions hold: 1. The product of all numbers in the first set is less than zero (<=&lt;<=0). 1. T...
```python from math import * from collections import * from sys import * t=stdin.readline p=stdout.write def GI(): return map(int, t().strip().split()) def GS(): return map(str, t().strip().split()) def GL(): return list(map(int, t().strip().split())) def SL(): return list(map(str, t().strip().split())) n=in...
0
MatrixStudio/Codeforces-Python-Submissions
454
B
Little Pony and Sort by Shift
PROGRAMMING
1,200
[ "implementation" ]
null
null
One day, Twilight Sparkle is interested in how to sort a sequence of integers *a*1,<=*a*2,<=...,<=*a**n* in non-decreasing order. Being a young unicorn, the only operation she can perform is a unit shift. That is, she can move the last element of the sequence to its beginning: Help Twilight Sparkle to calculate: what ...
The first line contains an integer *n* (2<=≤<=*n*<=≤<=105). The second line contains *n* integer numbers *a*1,<=*a*2,<=...,<=*a**n* (1<=≤<=*a**i*<=≤<=105).
If it's impossible to sort the sequence output -1. Otherwise output the minimum number of operations Twilight Sparkle needs to sort it.
[ "2\n2 1\n", "3\n1 3 2\n", "2\n1 2\n" ]
[ "1\n", "-1\n", "0\n" ]
none
1,000
[ { "input": "2\n2 1", "output": "1" }, { "input": "3\n1 3 2", "output": "-1" }, { "input": "2\n1 2", "output": "0" }, { "input": "6\n3 4 5 6 3 2", "output": "-1" }, { "input": "3\n1 2 1", "output": "1" }, { "input": "5\n1 1 2 1 1", "output": "2" }...
1,596,793,407
2,147,483,647
PyPy 3
OK
TESTS
56
218
31,539,200
#from collections import deque as dq n = int(input()) l = list(map(int,input().split())) d=0 r=0 for i in range(n-1): if l[i+1]<l[i]: d=i+1 break l = l[d:]+l[:d] #print(l,d) r = n-d if l==sorted(l): print(r%n) else: print(-1)
Title: Little Pony and Sort by Shift Time Limit: None seconds Memory Limit: None megabytes Problem Description: One day, Twilight Sparkle is interested in how to sort a sequence of integers *a*1,<=*a*2,<=...,<=*a**n* in non-decreasing order. Being a young unicorn, the only operation she can perform is a unit shift. ...
```python #from collections import deque as dq n = int(input()) l = list(map(int,input().split())) d=0 r=0 for i in range(n-1): if l[i+1]<l[i]: d=i+1 break l = l[d:]+l[:d] #print(l,d) r = n-d if l==sorted(l): print(r%n) else: print(-1) ```
3
MatrixStudio/Codeforces-Python-Submissions
705
A
Hulk
PROGRAMMING
800
[ "implementation" ]
null
null
Dr. Bruce Banner hates his enemies (like others don't). As we all know, he can barely talk when he turns into the incredible Hulk. That's why he asked you to help him to express his feelings. Hulk likes the Inception so much, and like that his feelings are complicated. They have *n* layers. The first layer is hate, se...
The only line of the input contains a single integer *n* (1<=≤<=*n*<=≤<=100) — the number of layers of love and hate.
Print Dr.Banner's feeling in one line.
[ "1\n", "2\n", "3\n" ]
[ "I hate it\n", "I hate that I love it\n", "I hate that I love that I hate it\n" ]
none
500
[ { "input": "1", "output": "I hate it" }, { "input": "2", "output": "I hate that I love it" }, { "input": "3", "output": "I hate that I love that I hate it" }, { "input": "4", "output": "I hate that I love that I hate that I love it" }, { "input": "5", "output"...
1,689,170,398
2,147,483,647
Python 3
WRONG_ANSWER
TESTS
0
30
0
n = 'I hate ' nn = 'that I hate ' p = 'that I love ' n2 = 'I hate that I love ' a = int(input()) if a % 2 == 0: r = n2*(a//2)+'it' print(r[::]) else: r = n2*(a//2)+nn+'it' print(r[::]) # Wed Jul 12 2023 16:59:57 GMT+0300 (Moscow Standard Time)
Title: Hulk Time Limit: None seconds Memory Limit: None megabytes Problem Description: Dr. Bruce Banner hates his enemies (like others don't). As we all know, he can barely talk when he turns into the incredible Hulk. That's why he asked you to help him to express his feelings. Hulk likes the Inception so much, and...
```python n = 'I hate ' nn = 'that I hate ' p = 'that I love ' n2 = 'I hate that I love ' a = int(input()) if a % 2 == 0: r = n2*(a//2)+'it' print(r[::]) else: r = n2*(a//2)+nn+'it' print(r[::]) # Wed Jul 12 2023 16:59:57 GMT+0300 (Moscow Standard Time) ```
0
MatrixStudio/Codeforces-Python-Submissions
92
B
Binary Number
PROGRAMMING
1,300
[ "greedy" ]
B. Binary Number
1
256
Little walrus Fangy loves math very much. That's why when he is bored he plays with a number performing some operations. Fangy takes some positive integer *x* and wants to get a number one from it. While *x* is not equal to 1, Fangy repeats the following action: if *x* is odd, then he adds 1 to it, otherwise he divide...
The first line contains a positive integer *x* in a binary system. It is guaranteed that the first digit of *x* is different from a zero and the number of its digits does not exceed 106.
Print the required number of actions.
[ "1\n", "1001001\n", "101110\n" ]
[ "0\n", "12\n", "8\n" ]
Let's consider the third sample. Number 101110 is even, which means that we should divide it by 2. After the dividing Fangy gets an odd number 10111 and adds one to it. Number 11000 can be divided by 2 three times in a row and get number 11. All that's left is to increase the number by one (we get 100), and then divide...
1,000
[ { "input": "1", "output": "0" }, { "input": "1001001", "output": "12" }, { "input": "101110", "output": "8" }, { "input": "11", "output": "3" }, { "input": "11110001101", "output": "16" }, { "input": "101010100100111100011111001111100001010101111110101...
1,549,219,956
2,147,483,647
Python 3
WRONG_ANSWER
TESTS
8
93
0
x = list(input()) j=0 nums=0 su=0 i=-1 while j<len(x): su = su+ int(x[i])*(2**j) j+=1 i-=1 while su!=1: if su%2==0: su=su/2 else: su=su+1 nums+=1 print(nums)
Title: Binary Number Time Limit: 1 seconds Memory Limit: 256 megabytes Problem Description: Little walrus Fangy loves math very much. That's why when he is bored he plays with a number performing some operations. Fangy takes some positive integer *x* and wants to get a number one from it. While *x* is not equal to ...
```python x = list(input()) j=0 nums=0 su=0 i=-1 while j<len(x): su = su+ int(x[i])*(2**j) j+=1 i-=1 while su!=1: if su%2==0: su=su/2 else: su=su+1 nums+=1 print(nums) ```
0
MatrixStudio/Codeforces-Python-Submissions
469
A
I Wanna Be the Guy
PROGRAMMING
800
[ "greedy", "implementation" ]
null
null
There is a game called "I Wanna Be the Guy", consisting of *n* levels. Little X and his friend Little Y are addicted to the game. Each of them wants to pass the whole game. Little X can pass only *p* levels of the game. And Little Y can pass only *q* levels of the game. You are given the indices of levels Little X can...
The first line contains a single integer *n* (1<=≤<=<=*n*<=≤<=100). The next line contains an integer *p* (0<=≤<=*p*<=≤<=*n*) at first, then follows *p* distinct integers *a*1,<=*a*2,<=...,<=*a**p* (1<=≤<=*a**i*<=≤<=*n*). These integers denote the indices of levels Little X can pass. The next line contains the levels...
If they can pass all the levels, print "I become the guy.". If it's impossible, print "Oh, my keyboard!" (without the quotes).
[ "4\n3 1 2 3\n2 2 4\n", "4\n3 1 2 3\n2 2 3\n" ]
[ "I become the guy.\n", "Oh, my keyboard!\n" ]
In the first sample, Little X can pass levels [1 2 3], and Little Y can pass level [2 4], so they can pass all the levels both. In the second sample, no one can pass level 4.
500
[ { "input": "4\n3 1 2 3\n2 2 4", "output": "I become the guy." }, { "input": "4\n3 1 2 3\n2 2 3", "output": "Oh, my keyboard!" }, { "input": "10\n5 8 6 1 5 4\n6 1 3 2 9 4 6", "output": "Oh, my keyboard!" }, { "input": "10\n8 8 10 7 3 1 4 2 6\n8 9 5 10 3 7 2 4 8", "output":...
1,694,699,088
2,147,483,647
Python 3
WRONG_ANSWER
TESTS
28
31
0
n = int(input()) x = list(map(int,input().split())) y = list(map(int,input().split())) l = len(x) a = [] for i in range(1,l): if x[i] not in a and x[i]!=0: a.append(x[i]) for i in y: if i not in a and i!=0: a.append(i) if len(a)==n: print("I become the guy.") else: print(...
Title: I Wanna Be the Guy Time Limit: None seconds Memory Limit: None megabytes Problem Description: There is a game called "I Wanna Be the Guy", consisting of *n* levels. Little X and his friend Little Y are addicted to the game. Each of them wants to pass the whole game. Little X can pass only *p* levels of the g...
```python n = int(input()) x = list(map(int,input().split())) y = list(map(int,input().split())) l = len(x) a = [] for i in range(1,l): if x[i] not in a and x[i]!=0: a.append(x[i]) for i in y: if i not in a and i!=0: a.append(i) if len(a)==n: print("I become the guy.") else: ...
0
MatrixStudio/Codeforces-Python-Submissions
546
A
Soldier and Bananas
PROGRAMMING
800
[ "brute force", "implementation", "math" ]
null
null
A soldier wants to buy *w* bananas in the shop. He has to pay *k* dollars for the first banana, 2*k* dollars for the second one and so on (in other words, he has to pay *i*·*k* dollars for the *i*-th banana). He has *n* dollars. How many dollars does he have to borrow from his friend soldier to buy *w* bananas?
The first line contains three positive integers *k*,<=*n*,<=*w* (1<=<=≤<=<=*k*,<=*w*<=<=≤<=<=1000, 0<=≤<=*n*<=≤<=109), the cost of the first banana, initial number of dollars the soldier has and number of bananas he wants.
Output one integer — the amount of dollars that the soldier must borrow from his friend. If he doesn't have to borrow money, output 0.
[ "3 17 4\n" ]
[ "13" ]
none
500
[ { "input": "3 17 4", "output": "13" }, { "input": "1 2 1", "output": "0" }, { "input": "1 1 1", "output": "0" }, { "input": "1 5 6", "output": "16" }, { "input": "1 1000000000 1", "output": "0" }, { "input": "1000 0 1000", "output": "500500000" }...
1,695,801,658
2,147,483,647
Python 3
WRONG_ANSWER
TESTS
1
31
5,632,000
result = 0 pay, dollars, bananas = map(int, input().split()) for i in range(1, bananas + 1): r = pay * i result += r print(result - dollars)
Title: Soldier and Bananas Time Limit: None seconds Memory Limit: None megabytes Problem Description: A soldier wants to buy *w* bananas in the shop. He has to pay *k* dollars for the first banana, 2*k* dollars for the second one and so on (in other words, he has to pay *i*·*k* dollars for the *i*-th banana). He h...
```python result = 0 pay, dollars, bananas = map(int, input().split()) for i in range(1, bananas + 1): r = pay * i result += r print(result - dollars) ```
0
MatrixStudio/Codeforces-Python-Submissions
155
A
I_love_\%username\%
PROGRAMMING
800
[ "brute force" ]
null
null
Vasya adores sport programming. He can't write programs but he loves to watch the contests' progress. Vasya even has a favorite coder and Vasya pays special attention to him. One day Vasya decided to collect the results of all contests where his favorite coder participated and track the progress of his coolness. For e...
The first line contains the single integer *n* (1<=≤<=*n*<=≤<=1000) — the number of contests where the coder participated. The next line contains *n* space-separated non-negative integer numbers — they are the points which the coder has earned. The points are given in the chronological order. All points do not exceed ...
Print the single number — the number of amazing performances the coder has had during his whole history of participating in the contests.
[ "5\n100 50 200 150 200\n", "10\n4664 6496 5814 7010 5762 5736 6944 4850 3698 7242\n" ]
[ "2\n", "4\n" ]
In the first sample the performances number 2 and 3 are amazing. In the second sample the performances number 2, 4, 9 and 10 are amazing.
500
[ { "input": "5\n100 50 200 150 200", "output": "2" }, { "input": "10\n4664 6496 5814 7010 5762 5736 6944 4850 3698 7242", "output": "4" }, { "input": "1\n6", "output": "0" }, { "input": "2\n2 1", "output": "1" }, { "input": "5\n100 36 53 7 81", "output": "2" ...
1,697,199,809
2,147,483,647
PyPy 3-64
WRONG_ANSWER
TESTS
3
92
0
n = int(input()) s = input() s = s.split() #print(s) br = 0 m = s[0] for i in range(n - 1): if s[i] < s[i + 1]: br += 1 #print(s[i], br) elif s[i] < m: br += 1 m = s[i] #print(s[i], br) print(br)
Title: I_love_\%username\% Time Limit: None seconds Memory Limit: None megabytes Problem Description: Vasya adores sport programming. He can't write programs but he loves to watch the contests' progress. Vasya even has a favorite coder and Vasya pays special attention to him. One day Vasya decided to collect the re...
```python n = int(input()) s = input() s = s.split() #print(s) br = 0 m = s[0] for i in range(n - 1): if s[i] < s[i + 1]: br += 1 #print(s[i], br) elif s[i] < m: br += 1 m = s[i] #print(s[i], br) print(br) ```
0
MatrixStudio/Codeforces-Python-Submissions
386
A
Second-Price Auction
PROGRAMMING
800
[ "implementation" ]
null
null
In this problem we consider a special type of an auction, which is called the second-price auction. As in regular auction *n* bidders place a bid which is price a bidder ready to pay. The auction is closed, that is, each bidder secretly informs the organizer of the auction price he is willing to pay. After that, the au...
The first line of the input contains *n* (2<=≤<=*n*<=≤<=1000) — number of bidders. The second line contains *n* distinct integer numbers *p*1,<=*p*2,<=... *p**n*, separated by single spaces (1<=≤<=*p**i*<=≤<=10000), where *p**i* stands for the price offered by the *i*-th bidder.
The single output line should contain two integers: index of the winner and the price he will pay. Indices are 1-based.
[ "2\n5 7\n", "3\n10 2 8\n", "6\n3 8 2 9 4 14\n" ]
[ "2 5\n", "1 8\n", "6 9\n" ]
none
500
[ { "input": "2\n5 7", "output": "2 5" }, { "input": "3\n10 2 8", "output": "1 8" }, { "input": "6\n3 8 2 9 4 14", "output": "6 9" }, { "input": "4\n4707 7586 4221 5842", "output": "2 5842" }, { "input": "5\n3304 4227 4869 6937 6002", "output": "4 6002" }, {...
1,622,832,395
2,147,483,647
Python 3
WRONG_ANSWER
TESTS
0
78
0
n = int(input()) a = list(map(int, input().split())) q = max(a) for i in range(len(a)): if q == a[i]: q = 1 a = sorted(a) a[-1] = 0 print(q, max(a))
Title: Second-Price Auction Time Limit: None seconds Memory Limit: None megabytes Problem Description: In this problem we consider a special type of an auction, which is called the second-price auction. As in regular auction *n* bidders place a bid which is price a bidder ready to pay. The auction is closed, that is...
```python n = int(input()) a = list(map(int, input().split())) q = max(a) for i in range(len(a)): if q == a[i]: q = 1 a = sorted(a) a[-1] = 0 print(q, max(a)) ```
0
MatrixStudio/Codeforces-Python-Submissions
474
B
Worms
PROGRAMMING
1,200
[ "binary search", "implementation" ]
null
null
It is lunch time for Mole. His friend, Marmot, prepared him a nice game for lunch. Marmot brought Mole *n* ordered piles of worms such that *i*-th pile contains *a**i* worms. He labeled all these worms with consecutive integers: worms in first pile are labeled with numbers 1 to *a*1, worms in second pile are labeled w...
The first line contains a single integer *n* (1<=≤<=*n*<=≤<=105), the number of piles. The second line contains *n* integers *a*1,<=*a*2,<=...,<=*a**n* (1<=≤<=*a**i*<=≤<=103, *a*1<=+<=*a*2<=+<=...<=+<=*a**n*<=≤<=106), where *a**i* is the number of worms in the *i*-th pile. The third line contains single integer *m* (...
Print *m* lines to the standard output. The *i*-th line should contain an integer, representing the number of the pile where the worm labeled with the number *q**i* is.
[ "5\n2 7 3 4 9\n3\n1 25 11\n" ]
[ "1\n5\n3\n" ]
For the sample input: - The worms with labels from [1, 2] are in the first pile. - The worms with labels from [3, 9] are in the second pile. - The worms with labels from [10, 12] are in the third pile. - The worms with labels from [13, 16] are in the fourth pile. - The worms with labels from [17, 25] are in the f...
1,000
[ { "input": "5\n2 7 3 4 9\n3\n1 25 11", "output": "1\n5\n3" } ]
1,675,198,297
2,147,483,647
Python 3
TIME_LIMIT_EXCEEDED
TESTS
20
1,000
10,342,400
p, worms = int(input()), list(map(int, input().split())) j, jw = int(input()), list(map(int, input().split())) for i in range(1, p): worms[i] += worms[i - 1] worms.insert(0, 0) res = [] for i in range(j): target = jw[i] l, r = 0, p while l <= r: mid = (l + r) // 2 rl = worms[m...
Title: Worms Time Limit: None seconds Memory Limit: None megabytes Problem Description: It is lunch time for Mole. His friend, Marmot, prepared him a nice game for lunch. Marmot brought Mole *n* ordered piles of worms such that *i*-th pile contains *a**i* worms. He labeled all these worms with consecutive integers:...
```python p, worms = int(input()), list(map(int, input().split())) j, jw = int(input()), list(map(int, input().split())) for i in range(1, p): worms[i] += worms[i - 1] worms.insert(0, 0) res = [] for i in range(j): target = jw[i] l, r = 0, p while l <= r: mid = (l + r) // 2 rl...
0
MatrixStudio/Codeforces-Python-Submissions
768
B
Code For 1
PROGRAMMING
1,600
[ "constructive algorithms", "dfs and similar", "divide and conquer" ]
null
null
Jon fought bravely to rescue the wildlings who were attacked by the white-walkers at Hardhome. On his arrival, Sam tells him that he wants to go to Oldtown to train at the Citadel to become a maester, so he can return and take the deceased Aemon's place as maester of Castle Black. Jon agrees to Sam's proposal and Sam s...
The first line contains three integers *n*, *l*, *r* (0<=≤<=*n*<=&lt;<=250, 0<=≤<=*r*<=-<=*l*<=≤<=105, *r*<=≥<=1, *l*<=≥<=1) – initial element and the range *l* to *r*. It is guaranteed that *r* is not greater than the length of the final list.
Output the total number of 1s in the range *l* to *r* in the final sequence.
[ "7 2 5\n", "10 3 10\n" ]
[ "4\n", "5\n" ]
Consider first example: <img align="middle" class="tex-formula" src="https://espresso.codeforces.com/288fbb682a6fa1934a47b763d6851f9d32a06150.png" style="max-width: 100.0%;max-height: 100.0%;"/> Elements on positions from 2-nd to 5-th in list is [1, 1, 1, 1]. The number of ones is 4. For the second example: <img al...
1,000
[ { "input": "7 2 5", "output": "4" }, { "input": "10 3 10", "output": "5" }, { "input": "56 18 40", "output": "20" }, { "input": "203 40 124", "output": "67" }, { "input": "903316762502 354723010040 354723105411", "output": "78355" }, { "input": "335343...
1,683,134,913
2,147,483,647
Python 3
RUNTIME_ERROR
TESTS
0
15
0
num = int(input()) lowerBound = int(input()) upperBound = int(input()) def rec(num): if num == 1 or num == 0: return [num] devision = rec(num//2) remain = rec(num%2) remain.extend(devision) devision.extend(remain) return devision ones = rec(num) res= 0 for i in range(lowerBound, uppe...
Title: Code For 1 Time Limit: None seconds Memory Limit: None megabytes Problem Description: Jon fought bravely to rescue the wildlings who were attacked by the white-walkers at Hardhome. On his arrival, Sam tells him that he wants to go to Oldtown to train at the Citadel to become a maester, so he can return and ta...
```python num = int(input()) lowerBound = int(input()) upperBound = int(input()) def rec(num): if num == 1 or num == 0: return [num] devision = rec(num//2) remain = rec(num%2) remain.extend(devision) devision.extend(remain) return devision ones = rec(num) res= 0 for i in range(lowerB...
-1
MatrixStudio/Codeforces-Python-Submissions
333
B
Chips
PROGRAMMING
1,800
[ "greedy" ]
null
null
Gerald plays the following game. He has a checkered field of size *n*<=×<=*n* cells, where *m* various cells are banned. Before the game, he has to put a few chips on some border (but not corner) board cells. Then for *n*<=-<=1 minutes, Gerald every minute moves each chip into an adjacent cell. He moves each chip from ...
The first line contains two space-separated integers *n* and *m* (2<=≤<=*n*<=≤<=1000, 0<=≤<=*m*<=≤<=105) — the size of the field and the number of banned cells. Next *m* lines each contain two space-separated integers. Specifically, the *i*-th of these lines contains numbers *x**i* and *y**i* (1<=≤<=*x**i*,<=*y**i*<=≤<...
Print a single integer — the maximum points Gerald can earn in this game.
[ "3 1\n2 2\n", "3 0\n", "4 3\n3 1\n3 2\n3 3\n" ]
[ "0\n", "1\n", "1\n" ]
In the first test the answer equals zero as we can't put chips into the corner cells. In the second sample we can place one chip into either cell (1, 2), or cell (3, 2), or cell (2, 1), or cell (2, 3). We cannot place two chips. In the third sample we can only place one chip into either cell (2, 1), or cell (2, 4).
1,000
[ { "input": "3 1\n2 2", "output": "0" }, { "input": "3 0", "output": "1" }, { "input": "4 3\n3 1\n3 2\n3 3", "output": "1" }, { "input": "2 1\n1 1", "output": "0" }, { "input": "2 3\n1 2\n2 1\n2 2", "output": "0" }, { "input": "5 1\n3 2", "output": ...
1,434,737,226
2,147,483,647
PyPy 3
RUNTIME_ERROR
TESTS
4
186
0
n,m=map(int,input().split()) w=[1]*n h=[1]*n o=0 for i in range(m): x,y=map(int,(input().split())) w[x]=0 h[y]=0 for i in range(2,n):o=o+w[i]+h[i] if(n%2 and w[n//2+1] and h[n//2+1]):o=o-1 print(o)
Title: Chips Time Limit: None seconds Memory Limit: None megabytes Problem Description: Gerald plays the following game. He has a checkered field of size *n*<=×<=*n* cells, where *m* various cells are banned. Before the game, he has to put a few chips on some border (but not corner) board cells. Then for *n*<=-<=1 m...
```python n,m=map(int,input().split()) w=[1]*n h=[1]*n o=0 for i in range(m): x,y=map(int,(input().split())) w[x]=0 h[y]=0 for i in range(2,n):o=o+w[i]+h[i] if(n%2 and w[n//2+1] and h[n//2+1]):o=o-1 print(o) ```
-1
MatrixStudio/Codeforces-Python-Submissions
886
A
ACM ICPC
PROGRAMMING
1,000
[ "brute force" ]
null
null
In a small but very proud high school it was decided to win ACM ICPC. This goal requires to compose as many teams of three as possible, but since there were only 6 students who wished to participate, the decision was to build exactly two teams. After practice competition, participant number *i* got a score of *a**i*. ...
The single line contains six integers *a*1,<=...,<=*a*6 (0<=≤<=*a**i*<=≤<=1000) — scores of the participants
Print "YES" (quotes for clarity), if it is possible to build teams with equal score, and "NO" otherwise. You can print each character either upper- or lowercase ("YeS" and "yes" are valid when the answer is "YES").
[ "1 3 2 1 2 1\n", "1 1 1 1 1 99\n" ]
[ "YES\n", "NO\n" ]
In the first sample, first team can be composed of 1st, 2nd and 6th participant, second — of 3rd, 4th and 5th: team scores are 1 + 3 + 1 = 2 + 1 + 2 = 5. In the second sample, score of participant number 6 is too high: his team score will be definitely greater.
500
[ { "input": "1 3 2 1 2 1", "output": "YES" }, { "input": "1 1 1 1 1 99", "output": "NO" }, { "input": "1000 1000 1000 1000 1000 1000", "output": "YES" }, { "input": "0 0 0 0 0 0", "output": "YES" }, { "input": "633 609 369 704 573 416", "output": "NO" }, { ...
1,641,770,441
2,147,483,647
Python 3
OK
TESTS
53
46
0
a = list(map(int, input().split())) total = sum(a) target = total / 2 if not target.is_integer: print("NO") exit() a.sort(reverse=True) if a[0] > target: print("NO") exit() remaining1 = target - a[0] for i in range(1, len(a)-1): remaining2 = remaining1 - a[i] if remaining2 < 0: ...
Title: ACM ICPC Time Limit: None seconds Memory Limit: None megabytes Problem Description: In a small but very proud high school it was decided to win ACM ICPC. This goal requires to compose as many teams of three as possible, but since there were only 6 students who wished to participate, the decision was to build ...
```python a = list(map(int, input().split())) total = sum(a) target = total / 2 if not target.is_integer: print("NO") exit() a.sort(reverse=True) if a[0] > target: print("NO") exit() remaining1 = target - a[0] for i in range(1, len(a)-1): remaining2 = remaining1 - a[i] if remain...
3
MatrixStudio/Codeforces-Python-Submissions
276
D
Little Girl and Maximum XOR
PROGRAMMING
1,700
[ "bitmasks", "dp", "greedy", "implementation", "math" ]
null
null
A little girl loves problems on bitwise operations very much. Here's one of them. You are given two integers *l* and *r*. Let's consider the values of for all pairs of integers *a* and *b* (*l*<=≤<=*a*<=≤<=*b*<=≤<=*r*). Your task is to find the maximum value among all considered ones. Expression means applying bitw...
The single line contains space-separated integers *l* and *r* (1<=≤<=*l*<=≤<=*r*<=≤<=1018). Please, do not use the %lld specifier to read or write 64-bit integers in C++. It is preferred to use the cin, cout streams or the %I64d specifier.
In a single line print a single integer — the maximum value of for all pairs of integers *a*, *b* (*l*<=≤<=*a*<=≤<=*b*<=≤<=*r*).
[ "1 2\n", "8 16\n", "1 1\n" ]
[ "3\n", "31\n", "0\n" ]
none
2,000
[ { "input": "1 2", "output": "3" }, { "input": "8 16", "output": "31" }, { "input": "1 1", "output": "0" }, { "input": "506 677", "output": "1023" }, { "input": "33 910", "output": "1023" }, { "input": "36 94", "output": "127" }, { "input": ...
1,667,481,522
2,147,483,647
PyPy 3-64
WRONG_ANSWER
TESTS
10
77
0
import sys input = sys.stdin.readline def mp(): return map(int, input().split()) x, y = mp() a = format(x, '0b') b = format(y, '0b') if len(a) != len(b): print((1 << max(len(a), len(b)))-1) else: print((1 << len(a)-1)-1)
Title: Little Girl and Maximum XOR Time Limit: None seconds Memory Limit: None megabytes Problem Description: A little girl loves problems on bitwise operations very much. Here's one of them. You are given two integers *l* and *r*. Let's consider the values of for all pairs of integers *a* and *b* (*l*<=≤<=*a*<=≤<...
```python import sys input = sys.stdin.readline def mp(): return map(int, input().split()) x, y = mp() a = format(x, '0b') b = format(y, '0b') if len(a) != len(b): print((1 << max(len(a), len(b)))-1) else: print((1 << len(a)-1)-1) ```
0
MatrixStudio/Codeforces-Python-Submissions
0
none
none
none
0
[ "none" ]
null
null
In the year of $30XX$ participants of some world programming championship live in a single large hotel. The hotel has $n$ floors. Each floor has $m$ sections with a single corridor connecting all of them. The sections are enumerated from $1$ to $m$ along the corridor, and all sections with equal numbers on different fl...
The first line contains five integers $n, m, c_l, c_e, v$ ($2 \leq n, m \leq 10^8$, $0 \leq c_l, c_e \leq 10^5$, $1 \leq c_l + c_e \leq m - 1$, $1 \leq v \leq n - 1$) — the number of floors and section on each floor, the number of stairs, the number of elevators and the maximum speed of an elevator, respectively. The ...
Print $q$ integers, one per line — the answers for the queries.
[ "5 6 1 1 3\n2\n5\n3\n1 1 5 6\n1 3 5 4\n3 3 5 3\n" ]
[ "7\n5\n4\n" ]
In the first query the optimal way is to go to the elevator in the 5-th section in four time units, use it to go to the fifth floor in two time units and go to the destination in one more time unit. In the second query it is still optimal to use the elevator, but in the third query it is better to use the stairs in th...
0
[ { "input": "5 6 1 1 3\n2\n5\n3\n1 1 5 6\n1 3 5 4\n3 3 5 3", "output": "7\n5\n4" }, { "input": "2 2 0 1 1\n\n1\n1\n1 2 2 2", "output": "3" }, { "input": "4 4 1 0 1\n4\n\n5\n1 1 2 2\n1 3 2 2\n3 3 4 3\n3 2 2 2\n1 2 2 3", "output": "6\n4\n3\n5\n4" }, { "input": "10 10 1 8 4\n10\n...
1,525,012,168
4,468
PyPy 3
RUNTIME_ERROR
PRETESTS
1
139
22,732,800
import math num_floors, num_sections, num_stairs, num_elevators, max_speed = (int(x) for x in input().split()) stairs = [int(x) for x in input().split()] elevators = [int(x) for x in input().split()] neg_stairs = [-x for x in stairs] neg_elevators = [-x for x in elevators] num_queries = int(input()) def answer_que...
Title: none Time Limit: None seconds Memory Limit: None megabytes Problem Description: In the year of $30XX$ participants of some world programming championship live in a single large hotel. The hotel has $n$ floors. Each floor has $m$ sections with a single corridor connecting all of them. The sections are enumerat...
```python import math num_floors, num_sections, num_stairs, num_elevators, max_speed = (int(x) for x in input().split()) stairs = [int(x) for x in input().split()] elevators = [int(x) for x in input().split()] neg_stairs = [-x for x in stairs] neg_elevators = [-x for x in elevators] num_queries = int(input()) def ...
-1
MatrixStudio/Codeforces-Python-Submissions
753
A
Santa Claus and Candies
PROGRAMMING
1,000
[ "dp", "greedy", "math" ]
null
null
Santa Claus has *n* candies, he dreams to give them as gifts to children. What is the maximal number of children for whose he can give candies if Santa Claus want each kid should get distinct positive integer number of candies. Santa Class wants to give all *n* candies he has.
The only line contains positive integer number *n* (1<=≤<=*n*<=≤<=1000) — number of candies Santa Claus has.
Print to the first line integer number *k* — maximal number of kids which can get candies. Print to the second line *k* distinct integer numbers: number of candies for each of *k* kid. The sum of *k* printed numbers should be exactly *n*. If there are many solutions, print any of them.
[ "5\n", "9\n", "2\n" ]
[ "2\n2 3\n", "3\n3 5 1\n", "1\n2 \n" ]
none
500
[ { "input": "5", "output": "2\n1 4 " }, { "input": "9", "output": "3\n1 2 6 " }, { "input": "2", "output": "1\n2 " }, { "input": "1", "output": "1\n1 " }, { "input": "3", "output": "2\n1 2 " }, { "input": "1000", "output": "44\n1 2 3 4 5 6 7 8 9 10 ...
1,483,432,503
2,147,483,647
Python 3
OK
TESTS
49
77
4,608,000
a=int(input()) b=0 n="" def pedy(x,m): global b,n if x-m>m: x=x-m b=b+1 n=n+str(m)+" " m=m+1 pedy(x,m) else: b=b+1 n=n+str(x) pedy(a,1) print(b) print(n)
Title: Santa Claus and Candies Time Limit: None seconds Memory Limit: None megabytes Problem Description: Santa Claus has *n* candies, he dreams to give them as gifts to children. What is the maximal number of children for whose he can give candies if Santa Claus want each kid should get distinct positive integer n...
```python a=int(input()) b=0 n="" def pedy(x,m): global b,n if x-m>m: x=x-m b=b+1 n=n+str(m)+" " m=m+1 pedy(x,m) else: b=b+1 n=n+str(x) pedy(a,1) print(b) print(n) ```
3
MatrixStudio/Codeforces-Python-Submissions
459
A
Pashmak and Garden
PROGRAMMING
1,200
[ "implementation" ]
null
null
Pashmak has fallen in love with an attractive girl called Parmida since one year ago... Today, Pashmak set up a meeting with his partner in a romantic garden. Unfortunately, Pashmak has forgotten where the garden is. But he remembers that the garden looks like a square with sides parallel to the coordinate axes. He al...
The first line contains four space-separated *x*1,<=*y*1,<=*x*2,<=*y*2 (<=-<=100<=≤<=*x*1,<=*y*1,<=*x*2,<=*y*2<=≤<=100) integers, where *x*1 and *y*1 are coordinates of the first tree and *x*2 and *y*2 are coordinates of the second tree. It's guaranteed that the given points are distinct.
If there is no solution to the problem, print -1. Otherwise print four space-separated integers *x*3,<=*y*3,<=*x*4,<=*y*4 that correspond to the coordinates of the two other trees. If there are several solutions you can output any of them. Note that *x*3,<=*y*3,<=*x*4,<=*y*4 must be in the range (<=-<=1000<=≤<=*x*3,<...
[ "0 0 0 1\n", "0 0 1 1\n", "0 0 1 2\n" ]
[ "1 0 1 1\n", "0 1 1 0\n", "-1\n" ]
none
500
[ { "input": "0 0 0 1", "output": "1 0 1 1" }, { "input": "0 0 1 1", "output": "0 1 1 0" }, { "input": "0 0 1 2", "output": "-1" }, { "input": "-100 -100 100 100", "output": "-100 100 100 -100" }, { "input": "-100 -100 99 100", "output": "-1" }, { "input...
1,698,859,746
2,147,483,647
Python 3
COMPILATION_ERROR
TESTS
0
0
0
#include <iostream> using namespace std; int main() { int x1, y1, x2, y2; cin >> x1 >> y1 >> x2 >> y2; if (x1 != x2 && y1 != y2 && abs(x1 - x2) != abs(y1 - y2)) { cout << "-1" << endl; } else { if (x1 == x2) { int diff = abs(y1 - y2); cout << x1 + di...
Title: Pashmak and Garden Time Limit: None seconds Memory Limit: None megabytes Problem Description: Pashmak has fallen in love with an attractive girl called Parmida since one year ago... Today, Pashmak set up a meeting with his partner in a romantic garden. Unfortunately, Pashmak has forgotten where the garden is...
```python #include <iostream> using namespace std; int main() { int x1, y1, x2, y2; cin >> x1 >> y1 >> x2 >> y2; if (x1 != x2 && y1 != y2 && abs(x1 - x2) != abs(y1 - y2)) { cout << "-1" << endl; } else { if (x1 == x2) { int diff = abs(y1 - y2); cout ...
-1
MatrixStudio/Codeforces-Python-Submissions
265
A
Colorful Stones (Simplified Edition)
PROGRAMMING
800
[ "implementation" ]
null
null
There is a sequence of colorful stones. The color of each stone is one of red, green, or blue. You are given a string *s*. The *i*-th (1-based) character of *s* represents the color of the *i*-th stone. If the character is "R", "G", or "B", the color of the corresponding stone is red, green, or blue, respectively. Ini...
The input contains two lines. The first line contains the string *s* (1<=≤<=|*s*|<=≤<=50). The second line contains the string *t* (1<=≤<=|*t*|<=≤<=50). The characters of each string will be one of "R", "G", or "B". It is guaranteed that Liss don't move out of the sequence.
Print the final 1-based position of Liss in a single line.
[ "RGB\nRRR\n", "RRRBGBRBBB\nBBBRR\n", "BRRBGBRGRBGRGRRGGBGBGBRGBRGRGGGRBRRRBRBBBGRRRGGBBB\nBBRBGGRGRGBBBRBGRBRBBBBRBRRRBGBBGBBRRBBGGRBRRBRGRB\n" ]
[ "2\n", "3\n", "15\n" ]
none
500
[ { "input": "RGB\nRRR", "output": "2" }, { "input": "RRRBGBRBBB\nBBBRR", "output": "3" }, { "input": "BRRBGBRGRBGRGRRGGBGBGBRGBRGRGGGRBRRRBRBBBGRRRGGBBB\nBBRBGGRGRGBBBRBGRBRBBBBRBRRRBGBBGBBRRBBGGRBRRBRGRB", "output": "15" }, { "input": "G\nRRBBRBRRBR", "output": "1" }, ...
1,651,701,607
2,147,483,647
Python 3
OK
TESTS
19
92
0
string_S,string_T = input(),input() count,index = 0,0 for i in range(len(string_T)): if string_T[i] == string_S[index]: count+=1 index+=1 print(count+1)
Title: Colorful Stones (Simplified Edition) Time Limit: None seconds Memory Limit: None megabytes Problem Description: There is a sequence of colorful stones. The color of each stone is one of red, green, or blue. You are given a string *s*. The *i*-th (1-based) character of *s* represents the color of the *i*-th st...
```python string_S,string_T = input(),input() count,index = 0,0 for i in range(len(string_T)): if string_T[i] == string_S[index]: count+=1 index+=1 print(count+1) ```
3
MatrixStudio/Codeforces-Python-Submissions
572
B
Order Book
PROGRAMMING
1,300
[ "data structures", "greedy", "implementation", "sortings" ]
null
null
In this task you need to process a set of stock exchange orders and use them to create order book. An order is an instruction of some participant to buy or sell stocks on stock exchange. The order number *i* has price *p**i*, direction *d**i* — buy or sell, and integer *q**i*. This means that the participant is ready ...
The input starts with two positive integers *n* and *s* (1<=≤<=*n*<=≤<=1000,<=1<=≤<=*s*<=≤<=50), the number of orders and the book depth. Next *n* lines contains a letter *d**i* (either 'B' or 'S'), an integer *p**i* (0<=≤<=*p**i*<=≤<=105) and an integer *q**i* (1<=≤<=*q**i*<=≤<=104) — direction, price and volume resp...
Print no more than 2*s* lines with aggregated orders from order book of depth *s*. The output format for orders should be the same as in input.
[ "6 2\nB 10 3\nS 50 2\nS 40 1\nS 50 6\nB 20 4\nB 25 10\n" ]
[ "S 50 8\nS 40 1\nB 25 10\nB 20 4\n" ]
Denote (x, y) an order with price *x* and volume *y*. There are 3 aggregated buy orders (10, 3), (20, 4), (25, 10) and two sell orders (50, 8), (40, 1) in the sample. You need to print no more than two best orders for each direction, so you shouldn't print the order (10 3) having the worst price among buy orders.
1,000
[ { "input": "6 2\nB 10 3\nS 50 2\nS 40 1\nS 50 6\nB 20 4\nB 25 10", "output": "S 50 8\nS 40 1\nB 25 10\nB 20 4" }, { "input": "2 1\nB 7523 5589\nS 69799 1711", "output": "S 69799 1711\nB 7523 5589" }, { "input": "1 1\nB 48259 991", "output": "B 48259 991" }, { "input": "1 50\n...
1,440,263,187
2,187
Python 3
OK
TESTS
34
61
102,400
n, s = map(int, input().split()) buy = dict() sell = dict() for i in range(n): d, p, q = map(str, input().split()) p = int(p) q = int(q) if d == 'B': if p in buy: buy[p] += q else: buy[p] = q else: if p in sell: sell[p] += q ...
Title: Order Book Time Limit: None seconds Memory Limit: None megabytes Problem Description: In this task you need to process a set of stock exchange orders and use them to create order book. An order is an instruction of some participant to buy or sell stocks on stock exchange. The order number *i* has price *p**i...
```python n, s = map(int, input().split()) buy = dict() sell = dict() for i in range(n): d, p, q = map(str, input().split()) p = int(p) q = int(q) if d == 'B': if p in buy: buy[p] += q else: buy[p] = q else: if p in sell: sell...
3
MatrixStudio/Codeforces-Python-Submissions
445
A
DZY Loves Chessboard
PROGRAMMING
1,200
[ "dfs and similar", "implementation" ]
null
null
DZY loves chessboard, and he enjoys playing with it. He has a chessboard of *n* rows and *m* columns. Some cells of the chessboard are bad, others are good. For every good cell, DZY wants to put a chessman on it. Each chessman is either white or black. After putting all chessmen, DZY wants that no two chessmen with th...
The first line contains two space-separated integers *n* and *m* (1<=≤<=*n*,<=*m*<=≤<=100). Each of the next *n* lines contains a string of *m* characters: the *j*-th character of the *i*-th string is either "." or "-". A "." means that the corresponding cell (in the *i*-th row and the *j*-th column) is good, while a ...
Output must contain *n* lines, each line must contain a string of *m* characters. The *j*-th character of the *i*-th string should be either "W", "B" or "-". Character "W" means the chessman on the cell is white, "B" means it is black, "-" means the cell is a bad cell. If multiple answers exist, print any of them. It ...
[ "1 1\n.\n", "2 2\n..\n..\n", "3 3\n.-.\n---\n--." ]
[ "B\n", "BW\nWB\n", "B-B\n---\n--B" ]
In the first sample, DZY puts a single black chessman. Of course putting a white one is also OK. In the second sample, all 4 cells are good. No two same chessmen share an edge in the sample output. In the third sample, no good cells are adjacent. So you can just put 3 chessmen, no matter what their colors are.
500
[ { "input": "1 1\n.", "output": "B" }, { "input": "2 2\n..\n..", "output": "BW\nWB" }, { "input": "3 3\n.-.\n---\n--.", "output": "B-B\n---\n--B" }, { "input": "3 1\n-\n.\n.", "output": "-\nW\nB" }, { "input": "11 11\n-----------\n-----------\n-----------\n--------...
1,668,806,553
2,147,483,647
PyPy 3-64
OK
TESTS
37
140
5,120,000
n, m= map(int, input().split()) checker= ["W", "B"] for i in range(n): l= input() l1= [] for j in range(len(l)): if l[j]== "-": l1.append("-") else: l1.append(checker[(i+j)%2]) print(*l1, sep= "")
Title: DZY Loves Chessboard Time Limit: None seconds Memory Limit: None megabytes Problem Description: DZY loves chessboard, and he enjoys playing with it. He has a chessboard of *n* rows and *m* columns. Some cells of the chessboard are bad, others are good. For every good cell, DZY wants to put a chessman on it. ...
```python n, m= map(int, input().split()) checker= ["W", "B"] for i in range(n): l= input() l1= [] for j in range(len(l)): if l[j]== "-": l1.append("-") else: l1.append(checker[(i+j)%2]) print(*l1, sep= "") ```
3
MatrixStudio/Codeforces-Python-Submissions
400
B
Inna and New Matrix of Candies
PROGRAMMING
1,200
[ "brute force", "implementation", "schedules" ]
null
null
Inna likes sweets and a game called the "Candy Matrix". Today, she came up with the new game "Candy Matrix 2: Reload". The field for the new game is a rectangle table of size *n*<=×<=*m*. Each line of the table contains one cell with a dwarf figurine, one cell with a candy, the other cells of the line are empty. The g...
The first line of the input contains two integers *n* and *m* (1<=≤<=*n*<=≤<=1000; 2<=≤<=*m*<=≤<=1000). Next *n* lines each contain *m* characters — the game field for the "Candy Martix 2: Reload". Character "*" represents an empty cell of the field, character "G" represents a dwarf and character "S" represents a can...
In a single line print a single integer — either the minimum number of moves needed to achieve the aim of the game, or -1, if the aim cannot be achieved on the given game field.
[ "3 4\n*G*S\nG**S\n*G*S\n", "1 3\nS*G\n" ]
[ "2\n", "-1\n" ]
none
1,000
[ { "input": "3 4\n*G*S\nG**S\n*G*S", "output": "2" }, { "input": "1 3\nS*G", "output": "-1" }, { "input": "10 10\nG********S\n*G*******S\n**G******S\n***G*****S\n****G****S\n*****G***S\n******G**S\n*******G*S\n********GS\nG********S", "output": "9" }, { "input": "5 10\nG***S**...
1,427,234,893
2,147,483,647
PyPy 3
OK
TESTS
34
202
4,096,000
n, m = (int(x) for x in input().split()) st = set() for i in range(n): s = input() g = s.index('G') s = s.index('S') if g > s: print(-1) exit(0) st.add(s - g) print(len(st))
Title: Inna and New Matrix of Candies Time Limit: None seconds Memory Limit: None megabytes Problem Description: Inna likes sweets and a game called the "Candy Matrix". Today, she came up with the new game "Candy Matrix 2: Reload". The field for the new game is a rectangle table of size *n*<=×<=*m*. Each line of th...
```python n, m = (int(x) for x in input().split()) st = set() for i in range(n): s = input() g = s.index('G') s = s.index('S') if g > s: print(-1) exit(0) st.add(s - g) print(len(st)) ```
3
MatrixStudio/Codeforces-Python-Submissions
373
A
Collecting Beats is Fun
PROGRAMMING
900
[ "implementation" ]
null
null
Cucumber boy is fan of Kyubeat, a famous music game. Kyubeat has 16 panels for playing arranged in 4<=×<=4 table. When a panel lights up, he has to press that panel. Each panel has a timing to press (the preffered time when a player should press it), and Cucumber boy is able to press at most *k* panels in a time with...
The first line contains a single integer *k* (1<=≤<=*k*<=≤<=5) — the number of panels Cucumber boy can press with his one hand. Next 4 lines contain 4 characters each (digits from 1 to 9, or period) — table of panels. If a digit *i* was written on the panel, it means the boy has to press that panel in time *i*. If per...
Output "YES" (without quotes), if he is able to press all the panels in perfect timing. If not, output "NO" (without quotes).
[ "1\n.135\n1247\n3468\n5789\n", "5\n..1.\n1111\n..1.\n..1.\n", "1\n....\n12.1\n.2..\n.2..\n" ]
[ "YES\n", "YES\n", "NO\n" ]
In the third sample boy cannot press all panels in perfect timing. He can press all the panels in timing in time 1, but he cannot press the panels in time 2 in timing with his two hands.
500
[ { "input": "1\n.135\n1247\n3468\n5789", "output": "YES" }, { "input": "5\n..1.\n1111\n..1.\n..1.", "output": "YES" }, { "input": "1\n....\n12.1\n.2..\n.2..", "output": "NO" }, { "input": "1\n6981\n.527\n4163\n2345", "output": "YES" }, { "input": "5\n9999\n9999\n99...
1,556,711,078
2,147,483,647
Python 3
OK
TESTS
27
124
0
k=int(input()) b={} for i in range(4): s=input() for i in s: if i in b:b[i]+=1 else:b[i]=1 def fn(b): for i in b: if i!='.' and b[i]>2*k:return 'NO' return 'YES' print(fn(b))
Title: Collecting Beats is Fun Time Limit: None seconds Memory Limit: None megabytes Problem Description: Cucumber boy is fan of Kyubeat, a famous music game. Kyubeat has 16 panels for playing arranged in 4<=×<=4 table. When a panel lights up, he has to press that panel. Each panel has a timing to press (the preff...
```python k=int(input()) b={} for i in range(4): s=input() for i in s: if i in b:b[i]+=1 else:b[i]=1 def fn(b): for i in b: if i!='.' and b[i]>2*k:return 'NO' return 'YES' print(fn(b)) ```
3
MatrixStudio/Codeforces-Python-Submissions
520
A
Pangram
PROGRAMMING
800
[ "implementation", "strings" ]
null
null
A word or a sentence in some language is called a pangram if all the characters of the alphabet of this language appear in it at least once. Pangrams are often used to demonstrate fonts in printing or test the output devices. You are given a string consisting of lowercase and uppercase Latin letters. Check whether thi...
The first line contains a single integer *n* (1<=≤<=*n*<=≤<=100) — the number of characters in the string. The second line contains the string. The string consists only of uppercase and lowercase Latin letters.
Output "YES", if the string is a pangram and "NO" otherwise.
[ "12\ntoosmallword\n", "35\nTheQuickBrownFoxJumpsOverTheLazyDog\n" ]
[ "NO\n", "YES\n" ]
none
500
[ { "input": "12\ntoosmallword", "output": "NO" }, { "input": "35\nTheQuickBrownFoxJumpsOverTheLazyDog", "output": "YES" }, { "input": "1\na", "output": "NO" }, { "input": "26\nqwertyuiopasdfghjklzxcvbnm", "output": "YES" }, { "input": "26\nABCDEFGHIJKLMNOPQRSTUVWXY...
1,695,932,540
2,147,483,647
Python 3
OK
TESTS
59
46
0
n=int(input()) l=len(set(list(input().lower()))) print("YES" if l==26 else "NO")
Title: Pangram Time Limit: None seconds Memory Limit: None megabytes Problem Description: A word or a sentence in some language is called a pangram if all the characters of the alphabet of this language appear in it at least once. Pangrams are often used to demonstrate fonts in printing or test the output devices. ...
```python n=int(input()) l=len(set(list(input().lower()))) print("YES" if l==26 else "NO") ```
3
MatrixStudio/Codeforces-Python-Submissions
198
B
Jumping on Walls
PROGRAMMING
1,400
[ "shortest paths" ]
null
null
Vasya plays a computer game with ninjas. At this stage Vasya's ninja should get out of a deep canyon. The canyon consists of two vertical parallel walls, their height is *n* meters. Let's imagine that we split these walls into 1 meter-long areas and number them with positive integers from 1 to *n* from bottom to top. ...
The first line contains two integers *n* and *k* (1<=≤<=*n*,<=*k*<=≤<=105) — the height of the canyon and the height of ninja's jump, correspondingly. The second line contains the description of the left wall — a string with the length of *n* characters. The *i*-th character represents the state of the *i*-th wall are...
Print "YES" (without the quotes) if the ninja can get out from the canyon, otherwise, print "NO" (without the quotes).
[ "7 3\n---X--X\n-X--XX-\n", "6 2\n--X-X-\nX--XX-\n" ]
[ "YES\n", "NO\n" ]
In the first sample the ninja should first jump to the right wall, then go one meter down along the right wall, then jump to the left wall. The next jump can get the ninja from the canyon. In the second sample there's no way the ninja can get out of the canyon.
1,000
[ { "input": "7 3\n---X--X\n-X--XX-", "output": "YES" }, { "input": "6 2\n--X-X-\nX--XX-", "output": "NO" }, { "input": "10 1\n-X-X-X-X-X\nX-X-X-X-X-", "output": "YES" }, { "input": "5 4\n-X---\n----X", "output": "NO" }, { "input": "6 2\n--X--X\nXX-X-X", "output...
1,690,504,693
2,147,483,647
PyPy 3-64
WRONG_ANSWER
TESTS
0
92
0
print("_RANDOM_GUESS_1690504693.4948275")# 1690504693.4948494
Title: Jumping on Walls Time Limit: None seconds Memory Limit: None megabytes Problem Description: Vasya plays a computer game with ninjas. At this stage Vasya's ninja should get out of a deep canyon. The canyon consists of two vertical parallel walls, their height is *n* meters. Let's imagine that we split these w...
```python print("_RANDOM_GUESS_1690504693.4948275")# 1690504693.4948494 ```
0
MatrixStudio/Codeforces-Python-Submissions
579
A
Raising Bacteria
PROGRAMMING
1,000
[ "bitmasks" ]
null
null
You are a lover of bacteria. You want to raise some bacteria in a box. Initially, the box is empty. Each morning, you can put any number of bacteria into the box. And each night, every bacterium in the box will split into two bacteria. You hope to see exactly *x* bacteria in the box at some moment. What is the mini...
The only line containing one integer *x* (1<=≤<=*x*<=≤<=109).
The only line containing one integer: the answer.
[ "5\n", "8\n" ]
[ "2\n", "1\n" ]
For the first sample, we can add one bacterium in the box in the first day morning and at the third morning there will be 4 bacteria in the box. Now we put one more resulting 5 in the box. We added 2 bacteria in the process so the answer is 2. For the second sample, we can put one in the first morning and in the 4-th ...
250
[ { "input": "5", "output": "2" }, { "input": "8", "output": "1" }, { "input": "536870911", "output": "29" }, { "input": "1", "output": "1" }, { "input": "343000816", "output": "14" }, { "input": "559980448", "output": "12" }, { "input": "697...
1,672,262,143
2,143
Python 3
WRONG_ANSWER
TESTS
2
46
0
x = int(input()) cont = 0 while(2**(cont+1)<=x): cont = cont+1 sol = 1 + (x - 2**cont) print(sol)
Title: Raising Bacteria Time Limit: None seconds Memory Limit: None megabytes Problem Description: You are a lover of bacteria. You want to raise some bacteria in a box. Initially, the box is empty. Each morning, you can put any number of bacteria into the box. And each night, every bacterium in the box will split...
```python x = int(input()) cont = 0 while(2**(cont+1)<=x): cont = cont+1 sol = 1 + (x - 2**cont) print(sol) ```
0
MatrixStudio/Codeforces-Python-Submissions
0
none
none
none
0
[ "none" ]
null
null
Let's denote as the number of bits set ('1' bits) in the binary representation of the non-negative integer *x*. You are given multiple queries consisting of pairs of integers *l* and *r*. For each query, find the *x*, such that *l*<=≤<=*x*<=≤<=*r*, and is maximum possible. If there are multiple such numbers find the...
The first line contains integer *n* — the number of queries (1<=≤<=*n*<=≤<=10000). Each of the following *n* lines contain two integers *l**i*,<=*r**i* — the arguments for the corresponding query (0<=≤<=*l**i*<=≤<=*r**i*<=≤<=1018).
For each query print the answer in a separate line.
[ "3\n1 2\n2 4\n1 10\n" ]
[ "1\n3\n7\n" ]
The binary representations of numbers from 1 to 10 are listed below: 1<sub class="lower-index">10</sub> = 1<sub class="lower-index">2</sub> 2<sub class="lower-index">10</sub> = 10<sub class="lower-index">2</sub> 3<sub class="lower-index">10</sub> = 11<sub class="lower-index">2</sub> 4<sub class="lower-index">10</su...
0
[ { "input": "3\n1 2\n2 4\n1 10", "output": "1\n3\n7" }, { "input": "55\n1 1\n1 2\n1 3\n1 4\n1 5\n1 6\n1 7\n1 8\n1 9\n1 10\n2 2\n2 3\n2 4\n2 5\n2 6\n2 7\n2 8\n2 9\n2 10\n3 3\n3 4\n3 5\n3 6\n3 7\n3 8\n3 9\n3 10\n4 4\n4 5\n4 6\n4 7\n4 8\n4 9\n4 10\n5 5\n5 6\n5 7\n5 8\n5 9\n5 10\n6 6\n6 7\n6 8\n6 9\n6 10...
1,415,212,831
7,831
Python 3
WRONG_ANSWER
PRETESTS
1
46
0
import math def main(r, l): lg = math.log(l, 2) res = sum(2**i for i in range(int(lg))) if res not in range(r, l+1): s = '10' + '1'*(int(lg)-1) s = s[::-1] res = sum(2**i for i in range(len(s)) if s[i] == '1') return res return res R = lambda : map(int, i...
Title: none Time Limit: None seconds Memory Limit: None megabytes Problem Description: Let's denote as the number of bits set ('1' bits) in the binary representation of the non-negative integer *x*. You are given multiple queries consisting of pairs of integers *l* and *r*. For each query, find the *x*, such that ...
```python import math def main(r, l): lg = math.log(l, 2) res = sum(2**i for i in range(int(lg))) if res not in range(r, l+1): s = '10' + '1'*(int(lg)-1) s = s[::-1] res = sum(2**i for i in range(len(s)) if s[i] == '1') return res return res R = lambda : ...
0
MatrixStudio/Codeforces-Python-Submissions
0
none
none
none
0
[ "none" ]
null
null
Есть *n*-подъездный дом, в каждом подъезде по *m* этажей, и на каждом этаже каждого подъезда ровно *k* квартир. Таким образом, в доме всего *n*·*m*·*k* квартир. Они пронумерованы естественным образом от 1 до *n*·*m*·*k*, то есть первая квартира на первом этаже в первом подъезде имеет номер 1, первая квартира на втором ...
В первой строке входных данных следуют три числа *n*, *m*, *k* (1<=≤<=*n*,<=*m*,<=*k*<=≤<=1000) — количество подъездов в доме, количество этажей в каждом подъезде и количество квартир на каждом этаже каждого подъезда соответственно. Во второй строке входных данных записаны два числа *a* и *b* (1<=≤<=*a*,<=*b*<=≤<=*n*·...
Выведите единственное целое число — минимальное время (в секундах), за которое Эдвард сможет добраться от своей квартиры до квартиры Наташи.
[ "4 10 5\n200 6\n", "3 1 5\n7 2\n" ]
[ "39\n", "15\n" ]
В первом тестовом примере Эдвард находится в 4 подъезде на 10 этаже, а Наташа находится в 1 подъезде на 2 этаже. Поэтому Эдварду выгодно сначала спуститься на лифте на первый этаж (на это он потратит 19 секунд, из которых 10 — на ожидание и 9 — на поездку на лифте), затем обойти дом против часовой стрелки до подъезда н...
0
[ { "input": "4 10 5\n200 6", "output": "39" }, { "input": "3 1 5\n7 2", "output": "15" }, { "input": "100 100 100\n1 1000000", "output": "124" }, { "input": "1000 1000 1000\n1 1000000000", "output": "1024" }, { "input": "125 577 124\n7716799 6501425", "output":...
1,458,980,464
4,864
Python 3
WRONG_ANSWER
PRETESTS
2
77
4,915,200
n,m,k=map(int,input().split()) a,b=map(int,input().split()) p=[] for i in range(1,n+1): p.append(i*m*k) it=[[0]*n for i in range(m)] for i in range(m): for j in range(n): it[i][j]=j*m*k+k*(i+1) fl1=True fl2=True for i in range(n): for j in range(m): if it[j][i]-a>=0 and fl1: ...
Title: none Time Limit: None seconds Memory Limit: None megabytes Problem Description: Есть *n*-подъездный дом, в каждом подъезде по *m* этажей, и на каждом этаже каждого подъезда ровно *k* квартир. Таким образом, в доме всего *n*·*m*·*k* квартир. Они пронумерованы естественным образом от 1 до *n*·*m*·*k*, то есть п...
```python n,m,k=map(int,input().split()) a,b=map(int,input().split()) p=[] for i in range(1,n+1): p.append(i*m*k) it=[[0]*n for i in range(m)] for i in range(m): for j in range(n): it[i][j]=j*m*k+k*(i+1) fl1=True fl2=True for i in range(n): for j in range(m): if it[j][i]-a>=0 an...
0
MatrixStudio/Codeforces-Python-Submissions
0
none
none
none
0
[ "none" ]
null
null
There is a rectangular grid of *n* rows of *m* initially-white cells each. Arkady performed a certain number (possibly zero) of operations on it. In the *i*-th operation, a non-empty subset of rows *R**i* and a non-empty subset of columns *C**i* are chosen. For each row *r* in *R**i* and each column *c* in *C**i*, the...
The first line contains two space-separated integers *n* and *m* (1<=≤<=*n*,<=*m*<=≤<=50) — the number of rows and columns of the grid, respectively. Each of the following *n* lines contains a string of *m* characters, each being either '.' (denoting a white cell) or '#' (denoting a black cell), representing the desir...
If the given grid can be achieved by any valid sequence of operations, output "Yes"; otherwise output "No" (both without quotes). You can print each character in any case (upper or lower).
[ "5 8\n.#.#..#.\n.....#..\n.#.#..#.\n#.#....#\n.....#..\n", "5 5\n..#..\n..#..\n#####\n..#..\n..#..\n", "5 9\n........#\n#........\n..##.#...\n.......#.\n....#.#.#\n" ]
[ "Yes\n", "No\n", "No\n" ]
For the first example, the desired setup can be produced by 3 operations, as is shown below. For the second example, the desired setup cannot be produced, since in order to colour the center row, the third row and all columns must be selected in one operation, but after that no column can be selected again, hence it w...
0
[ { "input": "5 8\n.#.#..#.\n.....#..\n.#.#..#.\n#.#....#\n.....#..", "output": "Yes" }, { "input": "5 5\n..#..\n..#..\n#####\n..#..\n..#..", "output": "No" }, { "input": "5 9\n........#\n#........\n..##.#...\n.......#.\n....#.#.#", "output": "No" }, { "input": "1 1\n#", "o...
1,521,908,504
2,804
Python 3
OK
TESTS
50
93
7,065,600
n, m = list(map(int, input().split())) grid = [] for i in range(n): l = input() grid.append(l) # print(grid) g = set(grid) # print(g) def check_ok(i, g): count = 0 for row in g: if row[i] == "#": count += 1 if count >= 2: return False return count < 2 ans ...
Title: none Time Limit: None seconds Memory Limit: None megabytes Problem Description: There is a rectangular grid of *n* rows of *m* initially-white cells each. Arkady performed a certain number (possibly zero) of operations on it. In the *i*-th operation, a non-empty subset of rows *R**i* and a non-empty subset o...
```python n, m = list(map(int, input().split())) grid = [] for i in range(n): l = input() grid.append(l) # print(grid) g = set(grid) # print(g) def check_ok(i, g): count = 0 for row in g: if row[i] == "#": count += 1 if count >= 2: return False return count...
3
MatrixStudio/Codeforces-Python-Submissions
152
A
Marks
PROGRAMMING
900
[ "implementation" ]
null
null
Vasya, or Mr. Vasily Petrov is a dean of a department in a local university. After the winter exams he got his hands on a group's gradebook. Overall the group has *n* students. They received marks for *m* subjects. Each student got a mark from 1 to 9 (inclusive) for each subject. Let's consider a student the best at ...
The first input line contains two integers *n* and *m* (1<=≤<=*n*,<=*m*<=≤<=100) — the number of students and the number of subjects, correspondingly. Next *n* lines each containing *m* characters describe the gradebook. Each character in the gradebook is a number from 1 to 9. Note that the marks in a rows are not sepa...
Print the single number — the number of successful students in the given group.
[ "3 3\n223\n232\n112\n", "3 5\n91728\n11828\n11111\n" ]
[ "2\n", "3\n" ]
In the first sample test the student number 1 is the best at subjects 1 and 3, student 2 is the best at subjects 1 and 2, but student 3 isn't the best at any subject. In the second sample test each student is the best at at least one subject.
500
[ { "input": "3 3\n223\n232\n112", "output": "2" }, { "input": "3 5\n91728\n11828\n11111", "output": "3" }, { "input": "2 2\n48\n27", "output": "1" }, { "input": "2 1\n4\n6", "output": "1" }, { "input": "1 2\n57", "output": "1" }, { "input": "1 1\n5", ...
1,528,541,535
2,147,483,647
Python 3
RUNTIME_ERROR
TESTS
3
93
0
a=list(input().split()) n=int(a[0]) m=int(a[1]) b=[] for i in range(n): b.append(list(input())) k=[] for i in range(len(b)): high=int (b[0][i]) for j in range(n): if high<int(b[j][i]): high=int(b[j][i]) for j in range(n): if high==int(b[j][i]): k.app...
Title: Marks Time Limit: None seconds Memory Limit: None megabytes Problem Description: Vasya, or Mr. Vasily Petrov is a dean of a department in a local university. After the winter exams he got his hands on a group's gradebook. Overall the group has *n* students. They received marks for *m* subjects. Each student ...
```python a=list(input().split()) n=int(a[0]) m=int(a[1]) b=[] for i in range(n): b.append(list(input())) k=[] for i in range(len(b)): high=int (b[0][i]) for j in range(n): if high<int(b[j][i]): high=int(b[j][i]) for j in range(n): if high==int(b[j][i]): ...
-1
MatrixStudio/Codeforces-Python-Submissions
469
A
I Wanna Be the Guy
PROGRAMMING
800
[ "greedy", "implementation" ]
null
null
There is a game called "I Wanna Be the Guy", consisting of *n* levels. Little X and his friend Little Y are addicted to the game. Each of them wants to pass the whole game. Little X can pass only *p* levels of the game. And Little Y can pass only *q* levels of the game. You are given the indices of levels Little X can...
The first line contains a single integer *n* (1<=≤<=<=*n*<=≤<=100). The next line contains an integer *p* (0<=≤<=*p*<=≤<=*n*) at first, then follows *p* distinct integers *a*1,<=*a*2,<=...,<=*a**p* (1<=≤<=*a**i*<=≤<=*n*). These integers denote the indices of levels Little X can pass. The next line contains the levels...
If they can pass all the levels, print "I become the guy.". If it's impossible, print "Oh, my keyboard!" (without the quotes).
[ "4\n3 1 2 3\n2 2 4\n", "4\n3 1 2 3\n2 2 3\n" ]
[ "I become the guy.\n", "Oh, my keyboard!\n" ]
In the first sample, Little X can pass levels [1 2 3], and Little Y can pass level [2 4], so they can pass all the levels both. In the second sample, no one can pass level 4.
500
[ { "input": "4\n3 1 2 3\n2 2 4", "output": "I become the guy." }, { "input": "4\n3 1 2 3\n2 2 3", "output": "Oh, my keyboard!" }, { "input": "10\n5 8 6 1 5 4\n6 1 3 2 9 4 6", "output": "Oh, my keyboard!" }, { "input": "10\n8 8 10 7 3 1 4 2 6\n8 9 5 10 3 7 2 4 8", "output":...
1,697,738,133
2,147,483,647
Python 3
WRONG_ANSWER
TESTS
2
31
0
n = int(input()) x = [int(i) for i in input().split()] y = [int(i) for i in input().split()] x = x[1:] y = y[1:] xy = sorted(x + y) c1 = list() c2 = list() for i in xy: if i not in c1: c1.append(i) for i in range(1, n + 1): c2.append(i) if c1 >= c2: print('I become the guy.') else: print('Oh, my...
Title: I Wanna Be the Guy Time Limit: None seconds Memory Limit: None megabytes Problem Description: There is a game called "I Wanna Be the Guy", consisting of *n* levels. Little X and his friend Little Y are addicted to the game. Each of them wants to pass the whole game. Little X can pass only *p* levels of the g...
```python n = int(input()) x = [int(i) for i in input().split()] y = [int(i) for i in input().split()] x = x[1:] y = y[1:] xy = sorted(x + y) c1 = list() c2 = list() for i in xy: if i not in c1: c1.append(i) for i in range(1, n + 1): c2.append(i) if c1 >= c2: print('I become the guy.') else: pri...
0
MatrixStudio/Codeforces-Python-Submissions
791
A
Bear and Big Brother
PROGRAMMING
800
[ "implementation" ]
null
null
Bear Limak wants to become the largest of bears, or at least to become larger than his brother Bob. Right now, Limak and Bob weigh *a* and *b* respectively. It's guaranteed that Limak's weight is smaller than or equal to his brother's weight. Limak eats a lot and his weight is tripled after every year, while Bob's we...
The only line of the input contains two integers *a* and *b* (1<=≤<=*a*<=≤<=*b*<=≤<=10) — the weight of Limak and the weight of Bob respectively.
Print one integer, denoting the integer number of years after which Limak will become strictly larger than Bob.
[ "4 7\n", "4 9\n", "1 1\n" ]
[ "2\n", "3\n", "1\n" ]
In the first sample, Limak weighs 4 and Bob weighs 7 initially. After one year their weights are 4·3 = 12 and 7·2 = 14 respectively (one weight is tripled while the other one is doubled). Limak isn't larger than Bob yet. After the second year weights are 36 and 28, so the first weight is greater than the second one. Li...
500
[ { "input": "4 7", "output": "2" }, { "input": "4 9", "output": "3" }, { "input": "1 1", "output": "1" }, { "input": "4 6", "output": "2" }, { "input": "1 10", "output": "6" }, { "input": "1 1", "output": "1" }, { "input": "1 2", "output...
1,694,667,266
2,147,483,647
Python 3
OK
TESTS
62
46
0
a_b = input() ab = a_b.split() a = int(ab[0]) b = int(ab[1]) x = 0 while a <= b: a = a*3 b = b*2 x = x+1 print(x)
Title: Bear and Big Brother Time Limit: None seconds Memory Limit: None megabytes Problem Description: Bear Limak wants to become the largest of bears, or at least to become larger than his brother Bob. Right now, Limak and Bob weigh *a* and *b* respectively. It's guaranteed that Limak's weight is smaller than or e...
```python a_b = input() ab = a_b.split() a = int(ab[0]) b = int(ab[1]) x = 0 while a <= b: a = a*3 b = b*2 x = x+1 print(x) ```
3
MatrixStudio/Codeforces-Python-Submissions
396
A
On Number of Decompositions into Multipliers
PROGRAMMING
0
[ "combinatorics", "math", "number theory" ]
null
null
You are given an integer *m* as a product of integers *a*1,<=*a*2,<=... *a**n* . Your task is to find the number of distinct decompositions of number *m* into the product of *n* ordered positive integers. Decomposition into *n* products, given in the input, must also be considered in the answer. As the answer can be v...
The first line contains positive integer *n* (1<=≤<=*n*<=≤<=500). The second line contains space-separated integers *a*1,<=*a*2,<=...,<=*a**n* (1<=≤<=*a**i*<=≤<=109).
In a single line print a single number *k* — the number of distinct decompositions of number *m* into *n* ordered multipliers modulo 1000000007 (109<=+<=7).
[ "1\n15\n", "3\n1 1 2\n", "2\n5 7\n" ]
[ "1\n", "3\n", "4\n" ]
In the second sample, the get a decomposition of number 2, you need any one number out of three to equal 2, and the rest to equal 1. In the third sample, the possible ways of decomposing into ordered multipliers are [7,5], [5,7], [1,35], [35,1]. A decomposition of positive integer *m* into *n* ordered multipliers is ...
500
[ { "input": "1\n15", "output": "1" }, { "input": "3\n1 1 2", "output": "3" }, { "input": "2\n5 7", "output": "4" }, { "input": "2\n5 10", "output": "6" }, { "input": "3\n1 30 1", "output": "27" }, { "input": "2\n1000000000 1000000000", "output": "36...
1,610,099,178
2,147,483,647
Python 3
WRONG_ANSWER
TESTS
3
93
0
from math import factorial def decomp(a): cnt=0 for i in set(a): if i!=1: cnt+=1 t=len(a)-len(set(a))+1 return ((factorial(len(a))//factorial(t))*cnt)%(10**9+7) a=input() lst=list(map(int,input().strip().split())) print(decomp(lst))
Title: On Number of Decompositions into Multipliers Time Limit: None seconds Memory Limit: None megabytes Problem Description: You are given an integer *m* as a product of integers *a*1,<=*a*2,<=... *a**n* . Your task is to find the number of distinct decompositions of number *m* into the product of *n* ordered posi...
```python from math import factorial def decomp(a): cnt=0 for i in set(a): if i!=1: cnt+=1 t=len(a)-len(set(a))+1 return ((factorial(len(a))//factorial(t))*cnt)%(10**9+7) a=input() lst=list(map(int,input().strip().split())) print(decomp(lst)) ```
0
MatrixStudio/Codeforces-Python-Submissions
31
A
Worms Evolution
PROGRAMMING
1,200
[ "implementation" ]
A. Worms Evolution
2
256
Professor Vasechkin is studying evolution of worms. Recently he put forward hypotheses that all worms evolve by division. There are *n* forms of worms. Worms of these forms have lengths *a*1, *a*2, ..., *a**n*. To prove his theory, professor needs to find 3 different forms that the length of the first form is equal to ...
The first line contains integer *n* (3<=≤<=*n*<=≤<=100) — amount of worm's forms. The second line contains *n* space-separated integers *a**i* (1<=≤<=*a**i*<=≤<=1000) — lengths of worms of each form.
Output 3 distinct integers *i* *j* *k* (1<=≤<=*i*,<=*j*,<=*k*<=≤<=*n*) — such indexes of worm's forms that *a**i*<==<=*a**j*<=+<=*a**k*. If there is no such triple, output -1. If there are several solutions, output any of them. It possible that *a**j*<==<=*a**k*.
[ "5\n1 2 3 5 7\n", "5\n1 8 1 5 1\n" ]
[ "3 2 1\n", "-1\n" ]
none
500
[ { "input": "5\n1 2 3 5 7", "output": "3 2 1" }, { "input": "5\n1 8 1 5 1", "output": "-1" }, { "input": "4\n303 872 764 401", "output": "-1" }, { "input": "6\n86 402 133 524 405 610", "output": "6 4 1" }, { "input": "8\n217 779 418 895 996 473 3 22", "output":...
1,596,480,936
2,147,483,647
Python 3
WRONG_ANSWER
TESTS
0
154
6,963,200
import sys #import itertools #import math #t = int(input()) t = 1 while t > 0: #print(t) n = int(input()) #a, b = (int(x) for x in input().split()) arr = [int(x) for x in input().split()] for i in range(n-2): current = arr[i] sec = i+2 right = arr[i+1:] ...
Title: Worms Evolution Time Limit: 2 seconds Memory Limit: 256 megabytes Problem Description: Professor Vasechkin is studying evolution of worms. Recently he put forward hypotheses that all worms evolve by division. There are *n* forms of worms. Worms of these forms have lengths *a*1, *a*2, ..., *a**n*. To prove his...
```python import sys #import itertools #import math #t = int(input()) t = 1 while t > 0: #print(t) n = int(input()) #a, b = (int(x) for x in input().split()) arr = [int(x) for x in input().split()] for i in range(n-2): current = arr[i] sec = i+2 right = arr...
0
MatrixStudio/Codeforces-Python-Submissions
513
A
Game
PROGRAMMING
800
[ "constructive algorithms", "math" ]
null
null
Two players play a simple game. Each player is provided with a box with balls. First player's box contains exactly *n*1 balls and second player's box contains exactly *n*2 balls. In one move first player can take from 1 to *k*1 balls from his box and throw them away. Similarly, the second player can take from 1 to *k*2...
The first line contains four integers *n*1,<=*n*2,<=*k*1,<=*k*2. All numbers in the input are from 1 to 50. This problem doesn't have subproblems. You will get 3 points for the correct submission.
Output "First" if the first player wins and "Second" otherwise.
[ "2 2 1 2\n", "2 1 1 1\n" ]
[ "Second\n", "First\n" ]
Consider the first sample test. Each player has a box with 2 balls. The first player draws a single ball from his box in one move and the second player can either take 1 or 2 balls from his box in one move. No matter how the first player acts, the second player can always win if he plays wisely.
3
[ { "input": "2 2 1 2", "output": "Second" }, { "input": "2 1 1 1", "output": "First" }, { "input": "5 7 4 1", "output": "Second" }, { "input": "5 7 1 4", "output": "Second" }, { "input": "5 7 10 10", "output": "Second" }, { "input": "5 7 1 10", "out...
1,551,225,988
2,147,483,647
Python 3
OK
TESTS
20
108
0
n1, n2, k1, k2 = input().split() n1 = int(n1) n2 = int(n2) if n1 <= n2: print("Second") else: print("First")
Title: Game Time Limit: None seconds Memory Limit: None megabytes Problem Description: Two players play a simple game. Each player is provided with a box with balls. First player's box contains exactly *n*1 balls and second player's box contains exactly *n*2 balls. In one move first player can take from 1 to *k*1 ba...
```python n1, n2, k1, k2 = input().split() n1 = int(n1) n2 = int(n2) if n1 <= n2: print("Second") else: print("First") ```
3
MatrixStudio/Codeforces-Python-Submissions
508
A
Pasha and Pixels
PROGRAMMING
1,100
[ "brute force" ]
null
null
Pasha loves his phone and also putting his hair up... But the hair is now irrelevant. Pasha has installed a new game to his phone. The goal of the game is following. There is a rectangular field consisting of *n* row with *m* pixels in each row. Initially, all the pixels are colored white. In one move, Pasha can choos...
The first line of the input contains three integers *n*,<=*m*,<=*k* (1<=≤<=*n*,<=*m*<=≤<=1000, 1<=≤<=*k*<=≤<=105) — the number of rows, the number of columns and the number of moves that Pasha is going to perform. The next *k* lines contain Pasha's moves in the order he makes them. Each line contains two integers *i*...
If Pasha loses, print the number of the move when the 2<=×<=2 square consisting of black pixels is formed. If Pasha doesn't lose, that is, no 2<=×<=2 square consisting of black pixels is formed during the given *k* moves, print 0.
[ "2 2 4\n1 1\n1 2\n2 1\n2 2\n", "2 3 6\n2 3\n2 2\n1 3\n2 2\n1 2\n1 1\n", "5 3 7\n2 3\n1 2\n1 1\n4 1\n3 1\n5 3\n3 2\n" ]
[ "4\n", "5\n", "0\n" ]
none
500
[ { "input": "2 2 4\n1 1\n1 2\n2 1\n2 2", "output": "4" }, { "input": "2 3 6\n2 3\n2 2\n1 3\n2 2\n1 2\n1 1", "output": "5" }, { "input": "5 3 7\n2 3\n1 2\n1 1\n4 1\n3 1\n5 3\n3 2", "output": "0" }, { "input": "3 3 11\n2 1\n3 1\n1 1\n1 3\n1 2\n2 3\n3 3\n3 2\n2 2\n1 3\n3 3", ...
1,697,969,272
2,147,483,647
Python 3
WRONG_ANSWER
TESTS
7
234
0
n, m, k = map(int, input().split()) grid = [[False] * m for _ in range(n)] for move in range(k): i, j = map(int, input().split()) grid[i - 1][j - 1] = True # Check if current pixel and surrounding pixels form a black 2x2 square if i > 1 and j > 1: if grid[i-1][j-1] and grid[i-2]...
Title: Pasha and Pixels Time Limit: None seconds Memory Limit: None megabytes Problem Description: Pasha loves his phone and also putting his hair up... But the hair is now irrelevant. Pasha has installed a new game to his phone. The goal of the game is following. There is a rectangular field consisting of *n* row ...
```python n, m, k = map(int, input().split()) grid = [[False] * m for _ in range(n)] for move in range(k): i, j = map(int, input().split()) grid[i - 1][j - 1] = True # Check if current pixel and surrounding pixels form a black 2x2 square if i > 1 and j > 1: if grid[i-1][j-1] and...
0
MatrixStudio/Codeforces-Python-Submissions
119
A
Epic Game
PROGRAMMING
800
[ "implementation" ]
null
null
Simon and Antisimon play a game. Initially each player receives one fixed positive integer that doesn't change throughout the game. Simon receives number *a* and Antisimon receives number *b*. They also have a heap of *n* stones. The players take turns to make a move and Simon starts. During a move a player should take...
The only string contains space-separated integers *a*, *b* and *n* (1<=≤<=*a*,<=*b*,<=*n*<=≤<=100) — the fixed numbers Simon and Antisimon have received correspondingly and the initial number of stones in the pile.
If Simon wins, print "0" (without the quotes), otherwise print "1" (without the quotes).
[ "3 5 9\n", "1 1 100\n" ]
[ "0", "1" ]
The greatest common divisor of two non-negative integers *a* and *b* is such maximum positive integer *k*, that *a* is divisible by *k* without remainder and similarly, *b* is divisible by *k* without remainder. Let *gcd*(*a*, *b*) represent the operation of calculating the greatest common divisor of numbers *a* and *b...
500
[ { "input": "3 5 9", "output": "0" }, { "input": "1 1 100", "output": "1" }, { "input": "23 12 16", "output": "1" }, { "input": "95 26 29", "output": "1" }, { "input": "73 32 99", "output": "1" }, { "input": "1 1 1", "output": "0" }, { "inpu...
1,659,634,242
2,147,483,647
Python 3
WRONG_ANSWER
TESTS
2
92
0
def g(num, n): x = min(num, n) gcd = 0 if x == 1: return max(num, n) else: for i in range(2, x+1): if num%i == 0 and n%i == 0: gcd = i if gcd == 0: return -1 else: return gcd n, a, b = input().split() n, ...
Title: Epic Game Time Limit: None seconds Memory Limit: None megabytes Problem Description: Simon and Antisimon play a game. Initially each player receives one fixed positive integer that doesn't change throughout the game. Simon receives number *a* and Antisimon receives number *b*. They also have a heap of *n* sto...
```python def g(num, n): x = min(num, n) gcd = 0 if x == 1: return max(num, n) else: for i in range(2, x+1): if num%i == 0 and n%i == 0: gcd = i if gcd == 0: return -1 else: return gcd n, a, b = input().sp...
0
MatrixStudio/Codeforces-Python-Submissions
330
A
Cakeminator
PROGRAMMING
800
[ "brute force", "implementation" ]
null
null
You are given a rectangular cake, represented as an *r*<=×<=*c* grid. Each cell either has an evil strawberry, or is empty. For example, a 3<=×<=4 cake may look as follows: The cakeminator is going to eat the cake! Each time he eats, he chooses a row or a column that does not contain any evil strawberries and contains...
The first line contains two integers *r* and *c* (2<=≤<=*r*,<=*c*<=≤<=10), denoting the number of rows and the number of columns of the cake. The next *r* lines each contains *c* characters — the *j*-th character of the *i*-th line denotes the content of the cell at row *i* and column *j*, and is either one of these: ...
Output the maximum number of cake cells that the cakeminator can eat.
[ "3 4\nS...\n....\n..S.\n" ]
[ "8\n" ]
For the first example, one possible way to eat the maximum number of cake cells is as follows (perform 3 eats).
500
[ { "input": "3 4\nS...\n....\n..S.", "output": "8" }, { "input": "2 2\n..\n..", "output": "4" }, { "input": "2 2\nSS\nSS", "output": "0" }, { "input": "7 3\nS..\nS..\nS..\nS..\nS..\nS..\nS..", "output": "14" }, { "input": "3 5\n..S..\nSSSSS\n..S..", "output": "...
1,600,450,040
2,147,483,647
Python 3
WRONG_ANSWER
TESTS
2
186
0
r,c=map(int,input().split()) A,B=[],[] for i in range(r): R=list(input()) while('S'in R): I=R.index('S') B+=[I] A+=[i] R[I]='.' print((r*c)-sum(set(A))*sum(set(B)))
Title: Cakeminator Time Limit: None seconds Memory Limit: None megabytes Problem Description: You are given a rectangular cake, represented as an *r*<=×<=*c* grid. Each cell either has an evil strawberry, or is empty. For example, a 3<=×<=4 cake may look as follows: The cakeminator is going to eat the cake! Each ti...
```python r,c=map(int,input().split()) A,B=[],[] for i in range(r): R=list(input()) while('S'in R): I=R.index('S') B+=[I] A+=[i] R[I]='.' print((r*c)-sum(set(A))*sum(set(B))) ```
0
MatrixStudio/Codeforces-Python-Submissions
588
A
Duff and Meat
PROGRAMMING
900
[ "greedy" ]
null
null
Duff is addicted to meat! Malek wants to keep her happy for *n* days. In order to be happy in *i*-th day, she needs to eat exactly *a**i* kilograms of meat. There is a big shop uptown and Malek wants to buy meat for her from there. In *i*-th day, they sell meat for *p**i* dollars per kilogram. Malek knows all numbers ...
The first line of input contains integer *n* (1<=≤<=*n*<=≤<=105), the number of days. In the next *n* lines, *i*-th line contains two integers *a**i* and *p**i* (1<=≤<=*a**i*,<=*p**i*<=≤<=100), the amount of meat Duff needs and the cost of meat in that day.
Print the minimum money needed to keep Duff happy for *n* days, in one line.
[ "3\n1 3\n2 2\n3 1\n", "3\n1 3\n2 1\n3 2\n" ]
[ "10\n", "8\n" ]
In the first sample case: An optimal way would be to buy 1 kg on the first day, 2 kg on the second day and 3 kg on the third day. In the second sample case: An optimal way would be to buy 1 kg on the first day and 5 kg (needed meat for the second and third day) on the second day.
750
[ { "input": "3\n1 3\n2 2\n3 1", "output": "10" }, { "input": "3\n1 3\n2 1\n3 2", "output": "8" }, { "input": "1\n39 52", "output": "2028" }, { "input": "2\n25 56\n94 17", "output": "2998" }, { "input": "5\n39 21\n95 89\n73 90\n9 55\n85 32", "output": "6321" }...
1,588,311,717
2,147,483,647
Python 3
OK
TESTS
30
327
2,457,600
def calc(x,y): z=y[0] price=0 for i in range(0,len(y)): if z<=y[i]: price+=z*x[i] else: z=y[i] price+=x[i]*y[i] print(price) t=int(input()) x=[] y=[] for i in range(0,t): a=list(map(int,input().split())) x.append(a[0]) y.app...
Title: Duff and Meat Time Limit: None seconds Memory Limit: None megabytes Problem Description: Duff is addicted to meat! Malek wants to keep her happy for *n* days. In order to be happy in *i*-th day, she needs to eat exactly *a**i* kilograms of meat. There is a big shop uptown and Malek wants to buy meat for her ...
```python def calc(x,y): z=y[0] price=0 for i in range(0,len(y)): if z<=y[i]: price+=z*x[i] else: z=y[i] price+=x[i]*y[i] print(price) t=int(input()) x=[] y=[] for i in range(0,t): a=list(map(int,input().split())) x.append(a[0]) ...
3
MatrixStudio/Codeforces-Python-Submissions
118
A
String Task
PROGRAMMING
1,000
[ "implementation", "strings" ]
null
null
Petya started to attend programming lessons. On the first lesson his task was to write a simple program. The program was supposed to do the following: in the given string, consisting if uppercase and lowercase Latin letters, it: - deletes all the vowels, - inserts a character "." before each consonant, - replaces ...
The first line represents input string of Petya's program. This string only consists of uppercase and lowercase Latin letters and its length is from 1 to 100, inclusive.
Print the resulting string. It is guaranteed that this string is not empty.
[ "tour\n", "Codeforces\n", "aBAcAba\n" ]
[ ".t.r\n", ".c.d.f.r.c.s\n", ".b.c.b\n" ]
none
500
[ { "input": "tour", "output": ".t.r" }, { "input": "Codeforces", "output": ".c.d.f.r.c.s" }, { "input": "aBAcAba", "output": ".b.c.b" }, { "input": "obn", "output": ".b.n" }, { "input": "wpwl", "output": ".w.p.w.l" }, { "input": "ggdvq", "output": "...
1,697,293,605
2,147,483,647
PyPy 3-64
OK
TESTS
42
124
0
t = list(input()) i = 0 glasnie = ["A", "O", "Y", "E", "U", "I"] glasnie += [i.lower() for i in glasnie] l=len(t) while i < l: if t[i] in glasnie: t.pop(i) l-=1 else: t.insert(i, '.') t[i+1]=t[i+1].lower() i+=2 l+=1 print(''.join(t))
Title: String Task Time Limit: None seconds Memory Limit: None megabytes Problem Description: Petya started to attend programming lessons. On the first lesson his task was to write a simple program. The program was supposed to do the following: in the given string, consisting if uppercase and lowercase Latin letters...
```python t = list(input()) i = 0 glasnie = ["A", "O", "Y", "E", "U", "I"] glasnie += [i.lower() for i in glasnie] l=len(t) while i < l: if t[i] in glasnie: t.pop(i) l-=1 else: t.insert(i, '.') t[i+1]=t[i+1].lower() i+=2 l+=1 print(''.join(t)) ```
3
MatrixStudio/Codeforces-Python-Submissions
931
A
Friends Meeting
PROGRAMMING
800
[ "brute force", "greedy", "implementation", "math" ]
null
null
Two friends are on the coordinate axis *Ox* in points with integer coordinates. One of them is in the point *x*1<==<=*a*, another one is in the point *x*2<==<=*b*. Each of the friends can move by one along the line in any direction unlimited number of times. When a friend moves, the tiredness of a friend changes acco...
The first line contains a single integer *a* (1<=≤<=*a*<=≤<=1000) — the initial position of the first friend. The second line contains a single integer *b* (1<=≤<=*b*<=≤<=1000) — the initial position of the second friend. It is guaranteed that *a*<=≠<=*b*.
Print the minimum possible total tiredness if the friends meet in the same point.
[ "3\n4\n", "101\n99\n", "5\n10\n" ]
[ "1\n", "2\n", "9\n" ]
In the first example the first friend should move by one to the right (then the meeting happens at point 4), or the second friend should move by one to the left (then the meeting happens at point 3). In both cases, the total tiredness becomes 1. In the second example the first friend should move by one to the left, an...
500
[ { "input": "3\n4", "output": "1" }, { "input": "101\n99", "output": "2" }, { "input": "5\n10", "output": "9" }, { "input": "1\n2", "output": "1" }, { "input": "1\n1000", "output": "250000" }, { "input": "999\n1000", "output": "1" }, { "inpu...
1,520,178,295
595
PyPy 3
OK
TESTS
40
78
19,968,000
a = int(input()) b = int(input()) d = abs(a - b) if (d % 2 == 0): tmp = d // 2 print(2 * (1 + tmp) * tmp // 2) else: tmp = d // 2 first = (1 + tmp + 1) * (tmp + 1) // 2 second = (tmp + 1) * tmp // 2 print(first + second)
Title: Friends Meeting Time Limit: None seconds Memory Limit: None megabytes Problem Description: Two friends are on the coordinate axis *Ox* in points with integer coordinates. One of them is in the point *x*1<==<=*a*, another one is in the point *x*2<==<=*b*. Each of the friends can move by one along the line in...
```python a = int(input()) b = int(input()) d = abs(a - b) if (d % 2 == 0): tmp = d // 2 print(2 * (1 + tmp) * tmp // 2) else: tmp = d // 2 first = (1 + tmp + 1) * (tmp + 1) // 2 second = (tmp + 1) * tmp // 2 print(first + second) ```
3
MatrixStudio/Codeforces-Python-Submissions
271
A
Beautiful Year
PROGRAMMING
800
[ "brute force" ]
null
null
It seems like the year of 2013 came only yesterday. Do you know a curious fact? The year of 2013 is the first year after the old 1987 with only distinct digits. Now you are suggested to solve the following problem: given a year number, find the minimum year number which is strictly larger than the given one and has on...
The single line contains integer *y* (1000<=≤<=*y*<=≤<=9000) — the year number.
Print a single integer — the minimum year number that is strictly larger than *y* and all it's digits are distinct. It is guaranteed that the answer exists.
[ "1987\n", "2013\n" ]
[ "2013\n", "2014\n" ]
none
500
[ { "input": "1987", "output": "2013" }, { "input": "2013", "output": "2014" }, { "input": "1000", "output": "1023" }, { "input": "1001", "output": "1023" }, { "input": "1234", "output": "1235" }, { "input": "5555", "output": "5601" }, { "inp...
1,695,824,743
2,147,483,647
Python 3
OK
TESTS
27
62
0
y = input() y1 = int(y)+1 y = str(y1) while (y[0]!=y[1])+(y[0]!=y[2])+(y[0]!=y[3])\ +(y[1]!=y[2])+(y[1]!=y[3])+(y[2]!=y[3])!=6: y1 += 1 y = str(y1) print(y)
Title: Beautiful Year Time Limit: None seconds Memory Limit: None megabytes Problem Description: It seems like the year of 2013 came only yesterday. Do you know a curious fact? The year of 2013 is the first year after the old 1987 with only distinct digits. Now you are suggested to solve the following problem: give...
```python y = input() y1 = int(y)+1 y = str(y1) while (y[0]!=y[1])+(y[0]!=y[2])+(y[0]!=y[3])\ +(y[1]!=y[2])+(y[1]!=y[3])+(y[2]!=y[3])!=6: y1 += 1 y = str(y1) print(y) ```
3
MatrixStudio/Codeforces-Python-Submissions
12
A
Super Agent
PROGRAMMING
800
[ "implementation" ]
A. Super Agent
2
256
There is a very secret base in Potatoland where potato mash is made according to a special recipe. The neighbours from Porridgia decided to seize this recipe and to sell it to Pilauland. For this mission they have been preparing special agent Pearlo for many years. When, finally, Pearlo learned all secrets of espionage...
Input contains the matrix of three rows of three symbols each. Symbol «X» means that the corresponding button was pressed, and «.» means that is was not pressed. The matrix may contain no «X», also it may contain no «.».
Print YES if the password is symmetric with respect to the central button of the terminal and NO otherwise.
[ "XX.\n...\n.XX\n", "X.X\nX..\n...\n" ]
[ "YES\n", "NO\n" ]
If you are not familiar with the term «central symmetry», you may look into http://en.wikipedia.org/wiki/Central_symmetry
0
[ { "input": "XX.\n...\n.XX", "output": "YES" }, { "input": ".X.\n.X.\n.X.", "output": "YES" }, { "input": "XXX\nXXX\nXXX", "output": "YES" }, { "input": "XXX\nX.X\nXXX", "output": "YES" }, { "input": "X..\n.X.\n..X", "output": "YES" }, { "input": "...\n...
1,623,747,653
2,147,483,647
PyPy 3
OK
TESTS
40
216
0
a = [input() for i in range(3)] print("YES" if a[0]==a[2][::-1] and ''.join(a[i][0] for i in range(3))==''.join(a[i][2] for i in range(3))[::-1] else "NO")
Title: Super Agent Time Limit: 2 seconds Memory Limit: 256 megabytes Problem Description: There is a very secret base in Potatoland where potato mash is made according to a special recipe. The neighbours from Porridgia decided to seize this recipe and to sell it to Pilauland. For this mission they have been preparin...
```python a = [input() for i in range(3)] print("YES" if a[0]==a[2][::-1] and ''.join(a[i][0] for i in range(3))==''.join(a[i][2] for i in range(3))[::-1] else "NO") ```
3.946
MatrixStudio/Codeforces-Python-Submissions
599
A
Patrick and Shopping
PROGRAMMING
800
[ "implementation" ]
null
null
Today Patrick waits for a visit from his friend Spongebob. To prepare for the visit, Patrick needs to buy some goodies in two stores located near his house. There is a *d*1 meter long road between his house and the first shop and a *d*2 meter long road between his house and the second shop. Also, there is a road of len...
The first line of the input contains three integers *d*1, *d*2, *d*3 (1<=≤<=*d*1,<=*d*2,<=*d*3<=≤<=108) — the lengths of the paths. - *d*1 is the length of the path connecting Patrick's house and the first shop; - *d*2 is the length of the path connecting Patrick's house and the second shop; - *d*3 is the length o...
Print the minimum distance that Patrick will have to walk in order to visit both shops and return to his house.
[ "10 20 30\n", "1 1 5\n" ]
[ "60\n", "4\n" ]
The first sample is shown on the picture in the problem statement. One of the optimal routes is: house <img align="middle" class="tex-formula" src="https://espresso.codeforces.com/70a0795f45d32287dba0eb83fc4a3f470c6e5537.png" style="max-width: 100.0%;max-height: 100.0%;"/> first shop <img align="middle" class="tex-form...
500
[ { "input": "10 20 30", "output": "60" }, { "input": "1 1 5", "output": "4" }, { "input": "100 33 34", "output": "134" }, { "input": "777 777 777", "output": "2331" }, { "input": "2 2 8", "output": "8" }, { "input": "12 34 56", "output": "92" }, ...
1,669,384,660
2,147,483,647
PyPy 3-64
WRONG_ANSWER
TESTS
2
46
0
d1,d2,d3 = map(int,input().split()) if d1 + d2 <= d3: print(2*(d1+d2)) else: print(d1+d2+d3)
Title: Patrick and Shopping Time Limit: None seconds Memory Limit: None megabytes Problem Description: Today Patrick waits for a visit from his friend Spongebob. To prepare for the visit, Patrick needs to buy some goodies in two stores located near his house. There is a *d*1 meter long road between his house and the...
```python d1,d2,d3 = map(int,input().split()) if d1 + d2 <= d3: print(2*(d1+d2)) else: print(d1+d2+d3) ```
0
MatrixStudio/Codeforces-Python-Submissions
23
A
You're Given a String...
PROGRAMMING
1,200
[ "brute force", "greedy" ]
A. You're Given a String...
2
256
You're given a string of lower-case Latin letters. Your task is to find the length of its longest substring that can be met in the string at least twice. These occurrences can overlap (see sample test 2).
The first input line contains the string. It's guaranteed, that the string is non-empty, consists of lower-case Latin letters, and its length doesn't exceed 100.
Output one number — length of the longest substring that can be met in the string at least twice.
[ "abcd\n", "ababa\n", "zzz\n" ]
[ "0", "3", "2" ]
none
0
[ { "input": "abcd", "output": "0" }, { "input": "ababa", "output": "3" }, { "input": "zzz", "output": "2" }, { "input": "kmmm", "output": "2" }, { "input": "wzznz", "output": "1" }, { "input": "qlzazaaqll", "output": "2" }, { "input": "lzggg...
1,632,557,847
2,147,483,647
Python 3
OK
TESTS
45
124
7,372,800
s = input() d = dict() for i in range(len(s)): for j in range(len(s)): sub = s[i:j+1] if sub in d: d[sub] += 1 else: d[sub] = 1 res = [] for key in d: if d[key] > 1: res.append(len(key)) if not res: print(0) else: print(max(res)) ...
Title: You're Given a String... Time Limit: 2 seconds Memory Limit: 256 megabytes Problem Description: You're given a string of lower-case Latin letters. Your task is to find the length of its longest substring that can be met in the string at least twice. These occurrences can overlap (see sample test 2). Input Sp...
```python s = input() d = dict() for i in range(len(s)): for j in range(len(s)): sub = s[i:j+1] if sub in d: d[sub] += 1 else: d[sub] = 1 res = [] for key in d: if d[key] > 1: res.append(len(key)) if not res: print(0) else: print(max(res)) ...
3.955267
MatrixStudio/Codeforces-Python-Submissions
957
A
Tritonic Iridescence
PROGRAMMING
1,300
[ "implementation" ]
null
null
Overlooking the captivating blend of myriads of vernal hues, Arkady the painter lays out a long, long canvas. Arkady has a sufficiently large amount of paint of three colours: cyan, magenta, and yellow. On the one-dimensional canvas split into *n* consecutive segments, each segment needs to be painted in one of the co...
The first line contains a single positive integer *n* (1<=≤<=*n*<=≤<=100) — the length of the canvas. The second line contains a string *s* of *n* characters, the *i*-th of which is either 'C' (denoting a segment painted in cyan), 'M' (denoting one painted in magenta), 'Y' (one painted in yellow), or '?' (an unpainted...
If there are at least two different ways of painting, output "Yes"; otherwise output "No" (both without quotes). You can print each character in any case (upper or lower).
[ "5\nCY??Y\n", "5\nC?C?Y\n", "5\n?CYC?\n", "5\nC??MM\n", "3\nMMY\n" ]
[ "Yes\n", "Yes\n", "Yes\n", "No\n", "No\n" ]
For the first example, there are exactly two different ways of colouring: CYCMY and CYMCY. For the second example, there are also exactly two different ways of colouring: CMCMY and CYCMY. For the third example, there are four ways of colouring: MCYCM, MCYCY, YCYCM, and YCYCY. For the fourth example, no matter how th...
500
[ { "input": "5\nCY??Y", "output": "Yes" }, { "input": "5\nC?C?Y", "output": "Yes" }, { "input": "5\n?CYC?", "output": "Yes" }, { "input": "5\nC??MM", "output": "No" }, { "input": "3\nMMY", "output": "No" }, { "input": "15\n??YYYYYY??YYYY?", "output"...
1,521,906,208
508
Python 3
OK
TESTS
45
108
7,065,600
n = int(input()) a= input() f = 0 for i in range(n-1): if( a[i] == a[i+1] )and(a[i]!='?'): f = 1 break if f:print('No') else: o = a[0] for i in range(1,n-1): if a[i] == '?': if (a[i-1]!= '?')and(a[i+1]!='?')and(a[i-1]!=a[i+1]): o += 'X' ...
Title: Tritonic Iridescence Time Limit: None seconds Memory Limit: None megabytes Problem Description: Overlooking the captivating blend of myriads of vernal hues, Arkady the painter lays out a long, long canvas. Arkady has a sufficiently large amount of paint of three colours: cyan, magenta, and yellow. On the one...
```python n = int(input()) a= input() f = 0 for i in range(n-1): if( a[i] == a[i+1] )and(a[i]!='?'): f = 1 break if f:print('No') else: o = a[0] for i in range(1,n-1): if a[i] == '?': if (a[i-1]!= '?')and(a[i+1]!='?')and(a[i-1]!=a[i+1]): o += ...
3
MatrixStudio/Codeforces-Python-Submissions
682
A
Alyona and Numbers
PROGRAMMING
1,100
[ "constructive algorithms", "math", "number theory" ]
null
null
After finishing eating her bun, Alyona came up with two integers *n* and *m*. She decided to write down two columns of integers — the first column containing integers from 1 to *n* and the second containing integers from 1 to *m*. Now the girl wants to count how many pairs of integers she can choose, one from the first...
The only line of the input contains two integers *n* and *m* (1<=≤<=*n*,<=*m*<=≤<=1<=000<=000).
Print the only integer — the number of pairs of integers (*x*,<=*y*) such that 1<=≤<=*x*<=≤<=*n*, 1<=≤<=*y*<=≤<=*m* and (*x*<=+<=*y*) is divisible by 5.
[ "6 12\n", "11 14\n", "1 5\n", "3 8\n", "5 7\n", "21 21\n" ]
[ "14\n", "31\n", "1\n", "5\n", "7\n", "88\n" ]
Following pairs are suitable in the first sample case: - for *x* = 1 fits *y* equal to 4 or 9; - for *x* = 2 fits *y* equal to 3 or 8; - for *x* = 3 fits *y* equal to 2, 7 or 12; - for *x* = 4 fits *y* equal to 1, 6 or 11; - for *x* = 5 fits *y* equal to 5 or 10; - for *x* = 6 fits *y* equal to 4 or 9. Only th...
500
[ { "input": "6 12", "output": "14" }, { "input": "11 14", "output": "31" }, { "input": "1 5", "output": "1" }, { "input": "3 8", "output": "5" }, { "input": "5 7", "output": "7" }, { "input": "21 21", "output": "88" }, { "input": "10 15", ...
1,679,085,080
2,147,483,647
Python 3
TIME_LIMIT_EXCEEDED
TESTS
10
1,000
0
n = list(map(int, input().split())) count = 0 for i in range(1, min(n)+1): for j in range(1, max(n)+1): if (i+j) % 5 == 0: count += 1 print(count)
Title: Alyona and Numbers Time Limit: None seconds Memory Limit: None megabytes Problem Description: After finishing eating her bun, Alyona came up with two integers *n* and *m*. She decided to write down two columns of integers — the first column containing integers from 1 to *n* and the second containing integers ...
```python n = list(map(int, input().split())) count = 0 for i in range(1, min(n)+1): for j in range(1, max(n)+1): if (i+j) % 5 == 0: count += 1 print(count) ```
0
MatrixStudio/Codeforces-Python-Submissions
915
A
Garden
PROGRAMMING
900
[ "implementation" ]
null
null
Luba thinks about watering her garden. The garden can be represented as a segment of length *k*. Luba has got *n* buckets, the *i*-th bucket allows her to water some continuous subsegment of garden of length exactly *a**i* each hour. Luba can't water any parts of the garden that were already watered, also she can't wat...
The first line of input contains two integer numbers *n* and *k* (1<=≤<=*n*,<=*k*<=≤<=100) — the number of buckets and the length of the garden, respectively. The second line of input contains *n* integer numbers *a**i* (1<=≤<=*a**i*<=≤<=100) — the length of the segment that can be watered by the *i*-th bucket in one ...
Print one integer number — the minimum number of hours required to water the garden.
[ "3 6\n2 3 5\n", "6 7\n1 2 3 4 5 6\n" ]
[ "2\n", "7\n" ]
In the first test the best option is to choose the bucket that allows to water the segment of length 3. We can't choose the bucket that allows to water the segment of length 5 because then we can't water the whole garden. In the second test we can choose only the bucket that allows us to water the segment of length 1.
0
[ { "input": "3 6\n2 3 5", "output": "2" }, { "input": "6 7\n1 2 3 4 5 6", "output": "7" }, { "input": "5 97\n1 10 50 97 2", "output": "1" }, { "input": "5 97\n1 10 50 100 2", "output": "97" }, { "input": "100 100\n2 46 24 18 86 90 31 38 84 49 58 28 15 80 14 24 87 5...
1,585,426,607
2,147,483,647
Python 3
OK
TESTS
83
109
0
# NOME: Guilherme Lima Hernandez Rincao # RA: 169052 # B - Garden n, k = map(int, input().split()) b = map(int, input().split()) c = list(map(lambda a: k / a, b)) min = 101 for v in c: if v.is_integer() and v < min: min = v print(int(min))
Title: Garden Time Limit: None seconds Memory Limit: None megabytes Problem Description: Luba thinks about watering her garden. The garden can be represented as a segment of length *k*. Luba has got *n* buckets, the *i*-th bucket allows her to water some continuous subsegment of garden of length exactly *a**i* each ...
```python # NOME: Guilherme Lima Hernandez Rincao # RA: 169052 # B - Garden n, k = map(int, input().split()) b = map(int, input().split()) c = list(map(lambda a: k / a, b)) min = 101 for v in c: if v.is_integer() and v < min: min = v print(int(min)) ```
3
MatrixStudio/Codeforces-Python-Submissions
0
none
none
none
0
[ "none" ]
null
null
Santa Claus decided to disassemble his keyboard to clean it. After he returned all the keys back, he suddenly realized that some pairs of keys took each other's place! That is, Santa suspects that each key is either on its place, or on the place of another key, which is located exactly where the first key should be. ...
The input consists of only two strings *s* and *t* denoting the favorite Santa's patter and the resulting string. *s* and *t* are not empty and have the same length, which is at most 1000. Both strings consist only of lowercase English letters.
If Santa is wrong, and there is no way to divide some of keys into pairs and swap keys in each pair so that the keyboard will be fixed, print «-1» (without quotes). Otherwise, the first line of output should contain the only integer *k* (*k*<=≥<=0) — the number of pairs of keys that should be swapped. The following *k...
[ "helloworld\nehoolwlroz\n", "hastalavistababy\nhastalavistababy\n", "merrychristmas\nchristmasmerry\n" ]
[ "3\nh e\nl o\nd z\n", "0\n", "-1\n" ]
none
0
[ { "input": "helloworld\nehoolwlroz", "output": "3\nh e\nl o\nd z" }, { "input": "hastalavistababy\nhastalavistababy", "output": "0" }, { "input": "merrychristmas\nchristmasmerry", "output": "-1" }, { "input": "kusyvdgccw\nkusyvdgccw", "output": "0" }, { "input": "...
1,483,390,252
2,147,483,647
Python 3
WRONG_ANSWER
TESTS
41
62
4,608,000
s, t = input(), input() n = len(s) a = [-1]*26 for i in range(0, n): x = s[i] y = t[i] if x != y: a[ord(y) - ord('a')] = ord(x) - ord('a') a[ord(x) - ord('a')] = ord(y) - ord('a') for i in range(0, n): if a[ord(t[i]) - ord('a')] == -1: continue if (ord(s[i]) -...
Title: none Time Limit: None seconds Memory Limit: None megabytes Problem Description: Santa Claus decided to disassemble his keyboard to clean it. After he returned all the keys back, he suddenly realized that some pairs of keys took each other's place! That is, Santa suspects that each key is either on its place, ...
```python s, t = input(), input() n = len(s) a = [-1]*26 for i in range(0, n): x = s[i] y = t[i] if x != y: a[ord(y) - ord('a')] = ord(x) - ord('a') a[ord(x) - ord('a')] = ord(y) - ord('a') for i in range(0, n): if a[ord(t[i]) - ord('a')] == -1: continue if (o...
0
MatrixStudio/Codeforces-Python-Submissions
376
A
Lever
PROGRAMMING
900
[ "implementation", "math" ]
null
null
You have a description of a lever as string *s*. We'll represent the string length as record |*s*|, then the lever looks as a horizontal bar with weights of length |*s*|<=-<=1 with exactly one pivot. We will assume that the bar is a segment on the *Ox* axis between points 0 and |*s*|<=-<=1. The decoding of the lever d...
The first line contains the lever description as a non-empty string *s* (3<=≤<=|*s*|<=≤<=106), consisting of digits (1-9) and characters "^" and "=". It is guaranteed that the line contains exactly one character "^". It is guaranteed that the pivot of the lever isn't located in any end of the lever bar. To solve the p...
Print "left" if the given lever tilts to the left, "right" if it tilts to the right and "balance", if it is in balance.
[ "=^==\n", "9===^==1\n", "2==^7==\n", "41^52==\n" ]
[ "balance\n", "left\n", "right\n", "balance\n" ]
As you solve the problem, you may find the following link useful to better understand how a lever functions: http://en.wikipedia.org/wiki/Lever. The pictures to the examples:
500
[ { "input": "=^==", "output": "balance" }, { "input": "9===^==1", "output": "left" }, { "input": "2==^7==", "output": "right" }, { "input": "41^52==", "output": "balance" }, { "input": "=^2=4=1===1=", "output": "right" }, { "input": "9=6===5==3=9=1=1^7=...
1,388,035,496
2,147,483,647
Python 3
RUNTIME_ERROR
TESTS
0
31
307,200
def weight(s): w, i = 0, 1 for c in s: if c != '=': w += i*int(c) i += 1 def main(): line = input() l, r = line.split('^') l = weight(l[::-1]) r = weight(r) if l > r: print('left') elif l < r: print('right') else: print('balance') if __name__ == '__main__': main()
Title: Lever Time Limit: None seconds Memory Limit: None megabytes Problem Description: You have a description of a lever as string *s*. We'll represent the string length as record |*s*|, then the lever looks as a horizontal bar with weights of length |*s*|<=-<=1 with exactly one pivot. We will assume that the bar i...
```python def weight(s): w, i = 0, 1 for c in s: if c != '=': w += i*int(c) i += 1 def main(): line = input() l, r = line.split('^') l = weight(l[::-1]) r = weight(r) if l > r: print('left') elif l < r: print('right') else: print('balance') if __name__ == '__main__': main() ```
-1
MatrixStudio/Codeforces-Python-Submissions
16
B
Burglar and Matches
PROGRAMMING
900
[ "greedy", "implementation", "sortings" ]
B. Burglar and Matches
0
64
A burglar got into a matches warehouse and wants to steal as many matches as possible. In the warehouse there are *m* containers, in the *i*-th container there are *a**i* matchboxes, and each matchbox contains *b**i* matches. All the matchboxes are of the same size. The burglar's rucksack can hold *n* matchboxes exactl...
The first line of the input contains integer *n* (1<=≤<=*n*<=≤<=2·108) and integer *m* (1<=≤<=*m*<=≤<=20). The *i*<=+<=1-th line contains a pair of numbers *a**i* and *b**i* (1<=≤<=*a**i*<=≤<=108,<=1<=≤<=*b**i*<=≤<=10). All the input numbers are integer.
Output the only number — answer to the problem.
[ "7 3\n5 10\n2 5\n3 6\n", "3 3\n1 3\n2 2\n3 1\n" ]
[ "62\n", "7\n" ]
none
0
[ { "input": "7 3\n5 10\n2 5\n3 6", "output": "62" }, { "input": "3 3\n1 3\n2 2\n3 1", "output": "7" }, { "input": "1 1\n1 2", "output": "2" }, { "input": "1 2\n1 9\n1 6", "output": "9" }, { "input": "1 10\n1 1\n1 9\n1 3\n1 9\n1 7\n1 10\n1 4\n1 7\n1 3\n1 1", "ou...
1,616,158,998
2,147,483,647
Python 3
OK
TESTS
49
124
307,200
if __name__ == "__main__": n,m = list(map(int,input().split())) list_ = [] while m: a,b = list(map(int,input().split())) list_.append([b,a]) m = m - 1 list_.sort() list_ = list_[::-1] matches = 0 for value in list_: if n==0: break ...
Title: Burglar and Matches Time Limit: 0 seconds Memory Limit: 64 megabytes Problem Description: A burglar got into a matches warehouse and wants to steal as many matches as possible. In the warehouse there are *m* containers, in the *i*-th container there are *a**i* matchboxes, and each matchbox contains *b**i* mat...
```python if __name__ == "__main__": n,m = list(map(int,input().split())) list_ = [] while m: a,b = list(map(int,input().split())) list_.append([b,a]) m = m - 1 list_.sort() list_ = list_[::-1] matches = 0 for value in list_: if n==0: b...
3
MatrixStudio/Codeforces-Python-Submissions
61
A
Ultra-Fast Mathematician
PROGRAMMING
800
[ "implementation" ]
A. Ultra-Fast Mathematician
2
256
Shapur was an extremely gifted student. He was great at everything including Combinatorics, Algebra, Number Theory, Geometry, Calculus, etc. He was not only smart but extraordinarily fast! He could manage to sum 1018 numbers in a single second. One day in 230 AD Shapur was trying to find out if any one can possibly do...
There are two lines in each input. Each of them contains a single number. It is guaranteed that the numbers are made from 0 and 1 only and that their length is same. The numbers may start with 0. The length of each number doesn't exceed 100.
Write one line — the corresponding answer. Do not omit the leading 0s.
[ "1010100\n0100101\n", "000\n111\n", "1110\n1010\n", "01110\n01100\n" ]
[ "1110001\n", "111\n", "0100\n", "00010\n" ]
none
500
[ { "input": "1010100\n0100101", "output": "1110001" }, { "input": "000\n111", "output": "111" }, { "input": "1110\n1010", "output": "0100" }, { "input": "01110\n01100", "output": "00010" }, { "input": "011101\n000001", "output": "011100" }, { "input": "...
1,512,556,939
2,147,483,647
Python 3
OK
TESTS
102
62
5,529,600
str1=input() str2=input() answer='' for i in range(len(str1)): if str1[i]==str2[i]: answer+='0' else: answer+='1' print(answer)
Title: Ultra-Fast Mathematician Time Limit: 2 seconds Memory Limit: 256 megabytes Problem Description: Shapur was an extremely gifted student. He was great at everything including Combinatorics, Algebra, Number Theory, Geometry, Calculus, etc. He was not only smart but extraordinarily fast! He could manage to sum 10...
```python str1=input() str2=input() answer='' for i in range(len(str1)): if str1[i]==str2[i]: answer+='0' else: answer+='1' print(answer) ```
3.9742
MatrixStudio/Codeforces-Python-Submissions
155
A
I_love_\%username\%
PROGRAMMING
800
[ "brute force" ]
null
null
Vasya adores sport programming. He can't write programs but he loves to watch the contests' progress. Vasya even has a favorite coder and Vasya pays special attention to him. One day Vasya decided to collect the results of all contests where his favorite coder participated and track the progress of his coolness. For e...
The first line contains the single integer *n* (1<=≤<=*n*<=≤<=1000) — the number of contests where the coder participated. The next line contains *n* space-separated non-negative integer numbers — they are the points which the coder has earned. The points are given in the chronological order. All points do not exceed ...
Print the single number — the number of amazing performances the coder has had during his whole history of participating in the contests.
[ "5\n100 50 200 150 200\n", "10\n4664 6496 5814 7010 5762 5736 6944 4850 3698 7242\n" ]
[ "2\n", "4\n" ]
In the first sample the performances number 2 and 3 are amazing. In the second sample the performances number 2, 4, 9 and 10 are amazing.
500
[ { "input": "5\n100 50 200 150 200", "output": "2" }, { "input": "10\n4664 6496 5814 7010 5762 5736 6944 4850 3698 7242", "output": "4" }, { "input": "1\n6", "output": "0" }, { "input": "2\n2 1", "output": "1" }, { "input": "5\n100 36 53 7 81", "output": "2" ...
1,675,060,840
2,147,483,647
Python 3
OK
TESTS
37
92
0
def brute_force(score): amaz = 0 prev = score[0] max = prev min = prev for x in score[1:]: if x > max : max = x amaz += 1 if x < min : min = x amaz += 1 prev = x return amaz n = int(input()) score = [int(e) for e in input(...
Title: I_love_\%username\% Time Limit: None seconds Memory Limit: None megabytes Problem Description: Vasya adores sport programming. He can't write programs but he loves to watch the contests' progress. Vasya even has a favorite coder and Vasya pays special attention to him. One day Vasya decided to collect the re...
```python def brute_force(score): amaz = 0 prev = score[0] max = prev min = prev for x in score[1:]: if x > max : max = x amaz += 1 if x < min : min = x amaz += 1 prev = x return amaz n = int(input()) score = [int(e) for e...
3
MatrixStudio/Codeforces-Python-Submissions
31
A
Worms Evolution
PROGRAMMING
1,200
[ "implementation" ]
A. Worms Evolution
2
256
Professor Vasechkin is studying evolution of worms. Recently he put forward hypotheses that all worms evolve by division. There are *n* forms of worms. Worms of these forms have lengths *a*1, *a*2, ..., *a**n*. To prove his theory, professor needs to find 3 different forms that the length of the first form is equal to ...
The first line contains integer *n* (3<=≤<=*n*<=≤<=100) — amount of worm's forms. The second line contains *n* space-separated integers *a**i* (1<=≤<=*a**i*<=≤<=1000) — lengths of worms of each form.
Output 3 distinct integers *i* *j* *k* (1<=≤<=*i*,<=*j*,<=*k*<=≤<=*n*) — such indexes of worm's forms that *a**i*<==<=*a**j*<=+<=*a**k*. If there is no such triple, output -1. If there are several solutions, output any of them. It possible that *a**j*<==<=*a**k*.
[ "5\n1 2 3 5 7\n", "5\n1 8 1 5 1\n" ]
[ "3 2 1\n", "-1\n" ]
none
500
[ { "input": "5\n1 2 3 5 7", "output": "3 2 1" }, { "input": "5\n1 8 1 5 1", "output": "-1" }, { "input": "4\n303 872 764 401", "output": "-1" }, { "input": "6\n86 402 133 524 405 610", "output": "6 4 1" }, { "input": "8\n217 779 418 895 996 473 3 22", "output":...
1,512,346,813
2,147,483,647
PyPy 3
OK
TESTS
39
216
23,244,800
def main(n, a): for i in range(n): for j in range(n): for k in range(n): if i != j and j != k and i != k: if a[j] + a[k] == a[i]: return '{} {} {}'.format(i + 1, k + 1, j + 1) return -1 print(main(int(input()), list(map(int, input(...
Title: Worms Evolution Time Limit: 2 seconds Memory Limit: 256 megabytes Problem Description: Professor Vasechkin is studying evolution of worms. Recently he put forward hypotheses that all worms evolve by division. There are *n* forms of worms. Worms of these forms have lengths *a*1, *a*2, ..., *a**n*. To prove his...
```python def main(n, a): for i in range(n): for j in range(n): for k in range(n): if i != j and j != k and i != k: if a[j] + a[k] == a[i]: return '{} {} {}'.format(i + 1, k + 1, j + 1) return -1 print(main(int(input()), list(map(i...
3.902703
MatrixStudio/Codeforces-Python-Submissions
888
A
Local Extrema
PROGRAMMING
800
[ "brute force", "implementation" ]
null
null
You are given an array *a*. Some element of this array *a**i* is a local minimum iff it is strictly less than both of its neighbours (that is, *a**i*<=&lt;<=*a**i*<=-<=1 and *a**i*<=&lt;<=*a**i*<=+<=1). Also the element can be called local maximum iff it is strictly greater than its neighbours (that is, *a**i*<=&gt;<=*...
The first line contains one integer *n* (1<=≤<=*n*<=≤<=1000) — the number of elements in array *a*. The second line contains *n* integers *a*1, *a*2, ..., *a**n* (1<=≤<=*a**i*<=≤<=1000) — the elements of array *a*.
Print the number of local extrema in the given array.
[ "3\n1 2 3\n", "4\n1 5 2 5\n" ]
[ "0\n", "2\n" ]
none
0
[ { "input": "3\n1 2 3", "output": "0" }, { "input": "4\n1 5 2 5", "output": "2" }, { "input": "1\n1", "output": "0" }, { "input": "1\n548", "output": "0" }, { "input": "2\n1 1", "output": "0" }, { "input": "3\n3 2 3", "output": "1" }, { "inp...
1,596,347,833
2,147,483,647
Python 3
OK
TESTS
14
109
6,963,200
n=int(input()) list=[int(i) for i in input().split()] cnt=0 for i in range(1,n-1): if(list[i]>list[i-1] and list[i]>list[i+1]): cnt+=1 elif(list[i]<list[i-1] and list[i]<list[i+1]): cnt+=1 print(cnt)
Title: Local Extrema Time Limit: None seconds Memory Limit: None megabytes Problem Description: You are given an array *a*. Some element of this array *a**i* is a local minimum iff it is strictly less than both of its neighbours (that is, *a**i*<=&lt;<=*a**i*<=-<=1 and *a**i*<=&lt;<=*a**i*<=+<=1). Also the element c...
```python n=int(input()) list=[int(i) for i in input().split()] cnt=0 for i in range(1,n-1): if(list[i]>list[i-1] and list[i]>list[i+1]): cnt+=1 elif(list[i]<list[i-1] and list[i]<list[i+1]): cnt+=1 print(cnt) ```
3
MatrixStudio/Codeforces-Python-Submissions
222
A
Shooshuns and Sequence
PROGRAMMING
1,200
[ "brute force", "implementation" ]
null
null
One day shooshuns found a sequence of *n* integers, written on a blackboard. The shooshuns can perform one operation with it, the operation consists of two steps: 1. Find the number that goes *k*-th in the current sequence and add the same number to the end of the sequence; 1. Delete the first number of the current ...
The first line contains two space-separated integers *n* and *k* (1<=≤<=*k*<=≤<=*n*<=≤<=105). The second line contains *n* space-separated integers: *a*1,<=*a*2,<=...,<=*a**n* (1<=≤<=*a**i*<=≤<=105) — the sequence that the shooshuns found.
Print the minimum number of operations, required for all numbers on the blackboard to become the same. If it is impossible to achieve, print -1.
[ "3 2\n3 1 1\n", "3 1\n3 1 1\n" ]
[ "1\n", "-1\n" ]
In the first test case after the first operation the blackboard will have sequence [1, 1, 1]. So, one operation is enough to make all numbers the same. Thus, the answer equals one. In the second test case the sequence will never consist of the same numbers. It will always contain at least two distinct numbers 3 and 1....
500
[ { "input": "3 2\n3 1 1", "output": "1" }, { "input": "3 1\n3 1 1", "output": "-1" }, { "input": "1 1\n1", "output": "0" }, { "input": "2 1\n1 1", "output": "0" }, { "input": "2 1\n2 1", "output": "-1" }, { "input": "4 4\n1 2 3 4", "output": "3" }...
1,631,312,450
2,147,483,647
PyPy 3
WRONG_ANSWER
TESTS
21
310
30,310,400
n,k = map(int,input().split()) a = list(map(int,input().split())) f=0 for i in range(k,n): if(a[i]!=a[i-1]): f=1 break if(f==1): print(-1) else: x=a[-1] c=0 for i in a: if(i!=x): c+=1 print(c)
Title: Shooshuns and Sequence Time Limit: None seconds Memory Limit: None megabytes Problem Description: One day shooshuns found a sequence of *n* integers, written on a blackboard. The shooshuns can perform one operation with it, the operation consists of two steps: 1. Find the number that goes *k*-th in the cur...
```python n,k = map(int,input().split()) a = list(map(int,input().split())) f=0 for i in range(k,n): if(a[i]!=a[i-1]): f=1 break if(f==1): print(-1) else: x=a[-1] c=0 for i in a: if(i!=x): c+=1 print(c) ```
0
MatrixStudio/Codeforces-Python-Submissions
487
E
Tourists
PROGRAMMING
3,200
[ "data structures", "dfs and similar", "graphs", "trees" ]
null
null
There are *n* cities in Cyberland, numbered from 1 to *n*, connected by *m* bidirectional roads. The *j*-th road connects city *a**j* and *b**j*. For tourists, souvenirs are sold in every city of Cyberland. In particular, city *i* sell it at a price of *w**i*. Now there are *q* queries for you to handle. There are tw...
The first line of input contains three integers *n*,<=*m*,<=*q* (1<=≤<=*n*,<=*m*,<=*q*<=≤<=105), separated by a single space. Next *n* lines contain integers *w**i* (1<=≤<=*w**i*<=≤<=109). Next *m* lines contain pairs of space-separated integers *a**j* and *b**j* (1<=≤<=*a**j*,<=*b**j*<=≤<=*n*,<=*a**j*<=≠<=*b**j*). ...
For each query of type "A", output the corresponding answer.
[ "3 3 3\n1\n2\n3\n1 2\n2 3\n1 3\nA 2 3\nC 1 5\nA 2 3\n", "7 9 4\n1\n2\n3\n4\n5\n6\n7\n1 2\n2 5\n1 5\n2 3\n3 4\n2 4\n5 6\n6 7\n5 7\nA 2 3\nA 6 4\nA 6 7\nA 3 3\n" ]
[ "1\n2\n", "2\n1\n5\n3\n" ]
For the second sample, an optimal routes are: From 2 to 3 it is [2, 3]. From 6 to 4 it is [6, 5, 1, 2, 4]. From 6 to 7 it is [6, 5, 7]. From 3 to 3 it is [3].
2,500
[ { "input": "3 3 3\n1\n2\n3\n1 2\n2 3\n1 3\nA 2 3\nC 1 5\nA 2 3", "output": "1\n2" }, { "input": "7 9 4\n1\n2\n3\n4\n5\n6\n7\n1 2\n2 5\n1 5\n2 3\n3 4\n2 4\n5 6\n6 7\n5 7\nA 2 3\nA 6 4\nA 6 7\nA 3 3", "output": "2\n1\n5\n3" }, { "input": "6 7 5\n4\n2\n1\n9\n7\n6\n2 1\n1 3\n2 3\n1 4\n5 1\n4...
1,600,344,980
2,147,483,647
Python 3
TIME_LIMIT_EXCEEDED
TESTS
16
2,000
16,179,200
class Node(): def __init__(self,num,wei): self.num=num self.wei=wei self.edges=[] def add_edges(self,l): self.edges.append(l) def change_wei(self,wei): self.wei=wei def calc_paths(a,b,l,min,nodes): find=0 if a.num==b.num: fi...
Title: Tourists Time Limit: None seconds Memory Limit: None megabytes Problem Description: There are *n* cities in Cyberland, numbered from 1 to *n*, connected by *m* bidirectional roads. The *j*-th road connects city *a**j* and *b**j*. For tourists, souvenirs are sold in every city of Cyberland. In particular, cit...
```python class Node(): def __init__(self,num,wei): self.num=num self.wei=wei self.edges=[] def add_edges(self,l): self.edges.append(l) def change_wei(self,wei): self.wei=wei def calc_paths(a,b,l,min,nodes): find=0 if a.num==b.num: ...
0
MatrixStudio/Codeforces-Python-Submissions
620
A
Professor GukiZ's Robot
PROGRAMMING
800
[ "implementation", "math" ]
null
null
Professor GukiZ makes a new robot. The robot are in the point with coordinates (*x*1,<=*y*1) and should go to the point (*x*2,<=*y*2). In a single step the robot can change any of its coordinates (maybe both of them) by one (decrease or increase). So the robot can move in one of the 8 directions. Find the minimal numbe...
The first line contains two integers *x*1,<=*y*1 (<=-<=109<=≤<=*x*1,<=*y*1<=≤<=109) — the start position of the robot. The second line contains two integers *x*2,<=*y*2 (<=-<=109<=≤<=*x*2,<=*y*2<=≤<=109) — the finish position of the robot.
Print the only integer *d* — the minimal number of steps to get the finish position.
[ "0 0\n4 5\n", "3 4\n6 1\n" ]
[ "5\n", "3\n" ]
In the first example robot should increase both of its coordinates by one four times, so it will be in position (4, 4). After that robot should simply increase its *y* coordinate and get the finish position. In the second example robot should simultaneously increase *x* coordinate and decrease *y* coordinate by one th...
0
[ { "input": "0 0\n4 5", "output": "5" }, { "input": "3 4\n6 1", "output": "3" }, { "input": "0 0\n4 6", "output": "6" }, { "input": "1 1\n-3 -5", "output": "6" }, { "input": "-1 -1\n-10 100", "output": "101" }, { "input": "1 -1\n100 -100", "output":...
1,633,262,340
2,147,483,647
Python 3
COMPILATION_ERROR
TESTS
0
0
0
#include <iostream> #include <string> #include <bits/stdc++.h> #include <set> using namespace std; int main() { int a,b, c, d, ans; cin >> a; cin >> b; cin >> c; cin >> d; cout << min(abs(abs(a)-abs(c)),abs(abs(b)-abs(d))) + abs(abs(abs(a)-abs(c))-abs(abs(b)-abs(d))) << endl; }
Title: Professor GukiZ's Robot Time Limit: None seconds Memory Limit: None megabytes Problem Description: Professor GukiZ makes a new robot. The robot are in the point with coordinates (*x*1,<=*y*1) and should go to the point (*x*2,<=*y*2). In a single step the robot can change any of its coordinates (maybe both of ...
```python #include <iostream> #include <string> #include <bits/stdc++.h> #include <set> using namespace std; int main() { int a,b, c, d, ans; cin >> a; cin >> b; cin >> c; cin >> d; cout << min(abs(abs(a)-abs(c)),abs(abs(b)-abs(d))) + abs(abs(abs(a)-abs(c))-abs(abs(b)-abs(d))) << endl; } ```
-1
MatrixStudio/Codeforces-Python-Submissions
707
A
Brain's Photos
PROGRAMMING
800
[ "implementation" ]
null
null
Small, but very brave, mouse Brain was not accepted to summer school of young villains. He was upset and decided to postpone his plans of taking over the world, but to become a photographer instead. As you may know, the coolest photos are on the film (because you can specify the hashtag #film for such). Brain took a ...
The first line of the input contains two integers *n* and *m* (1<=≤<=*n*,<=*m*<=≤<=100) — the number of photo pixel matrix rows and columns respectively. Then *n* lines describing matrix rows follow. Each of them contains *m* space-separated characters describing colors of pixels in a row. Each character in the line i...
Print the "#Black&amp;White" (without quotes), if the photo is black-and-white and "#Color" (without quotes), if it is colored, in the only line.
[ "2 2\nC M\nY Y\n", "3 2\nW W\nW W\nB B\n", "1 1\nW\n" ]
[ "#Color", "#Black&amp;White", "#Black&amp;White" ]
none
500
[ { "input": "2 2\nC M\nY Y", "output": "#Color" }, { "input": "3 2\nW W\nW W\nB B", "output": "#Black&White" }, { "input": "1 1\nW", "output": "#Black&White" }, { "input": "2 3\nW W W\nB G Y", "output": "#Color" }, { "input": "1 1\nW", "output": "#Black&White" ...
1,696,925,668
2,147,483,647
Python 3
WRONG_ANSWER
TESTS
0
46
0
a,x=list(map(int,input().split())) for i in range(a): s=list(map(str,input().split())) if(s.__contains__('C') or s.__contains__('M') or s.__contains__('Y') or s.__contains__('G')): print("#color") elif(s.__contains__('B') or s.__contains__('W')): print("#Black&White")
Title: Brain's Photos Time Limit: None seconds Memory Limit: None megabytes Problem Description: Small, but very brave, mouse Brain was not accepted to summer school of young villains. He was upset and decided to postpone his plans of taking over the world, but to become a photographer instead. As you may know, the...
```python a,x=list(map(int,input().split())) for i in range(a): s=list(map(str,input().split())) if(s.__contains__('C') or s.__contains__('M') or s.__contains__('Y') or s.__contains__('G')): print("#color") elif(s.__contains__('B') or s.__contains__('W')): print("#Black&White") ```
0
MatrixStudio/Codeforces-Python-Submissions
44
A
Indian Summer
PROGRAMMING
900
[ "implementation" ]
A. Indian Summer
2
256
Indian summer is such a beautiful time of the year! A girl named Alyona is walking in the forest and picking a bouquet from fallen leaves. Alyona is very choosy — she doesn't take a leaf if it matches the color and the species of the tree of one of the leaves she already has. Find out how many leaves Alyona has picked.
The first line contains an integer *n* (1<=≤<=*n*<=≤<=100) — the number of leaves Alyona has found. The next *n* lines contain the leaves' descriptions. Each leaf is characterized by the species of the tree it has fallen from and by the color. The species of the trees and colors are given in names, consisting of no mor...
Output the single number — the number of Alyona's leaves.
[ "5\nbirch yellow\nmaple red\nbirch yellow\nmaple yellow\nmaple green\n", "3\noak yellow\noak yellow\noak yellow\n" ]
[ "4\n", "1\n" ]
none
0
[ { "input": "5\nbirch yellow\nmaple red\nbirch yellow\nmaple yellow\nmaple green", "output": "4" }, { "input": "3\noak yellow\noak yellow\noak yellow", "output": "1" }, { "input": "5\nxbnbkzn hp\nkaqkl vrgzbvqstu\nj aqidx\nhos gyul\nwefxmh tygpluae", "output": "5" }, { "input"...
1,684,228,570
2,147,483,647
PyPy 3-64
OK
TESTS
29
154
0
from sys import stdin,stdout # from sys import setrecursionlimit # from collections import defaultdict # from math import gcd,ceil,sqrt # setrecursionlimit(int(1e5)) #input,print = stdin.readline,stdout.write # t = 1 t = int(input()) x = set() for _ in range(t): s = input().strip() x.add(s) print(len(x))
Title: Indian Summer Time Limit: 2 seconds Memory Limit: 256 megabytes Problem Description: Indian summer is such a beautiful time of the year! A girl named Alyona is walking in the forest and picking a bouquet from fallen leaves. Alyona is very choosy — she doesn't take a leaf if it matches the color and the specie...
```python from sys import stdin,stdout # from sys import setrecursionlimit # from collections import defaultdict # from math import gcd,ceil,sqrt # setrecursionlimit(int(1e5)) #input,print = stdin.readline,stdout.write # t = 1 t = int(input()) x = set() for _ in range(t): s = input().strip() x.add(s) prin...
3.9615
MatrixStudio/Codeforces-Python-Submissions
118
A
String Task
PROGRAMMING
1,000
[ "implementation", "strings" ]
null
null
Petya started to attend programming lessons. On the first lesson his task was to write a simple program. The program was supposed to do the following: in the given string, consisting if uppercase and lowercase Latin letters, it: - deletes all the vowels, - inserts a character "." before each consonant, - replaces ...
The first line represents input string of Petya's program. This string only consists of uppercase and lowercase Latin letters and its length is from 1 to 100, inclusive.
Print the resulting string. It is guaranteed that this string is not empty.
[ "tour\n", "Codeforces\n", "aBAcAba\n" ]
[ ".t.r\n", ".c.d.f.r.c.s\n", ".b.c.b\n" ]
none
500
[ { "input": "tour", "output": ".t.r" }, { "input": "Codeforces", "output": ".c.d.f.r.c.s" }, { "input": "aBAcAba", "output": ".b.c.b" }, { "input": "obn", "output": ".b.n" }, { "input": "wpwl", "output": ".w.p.w.l" }, { "input": "ggdvq", "output": "...
1,695,726,507
2,147,483,647
Python 3
OK
TESTS
42
92
0
a=['a','e','i','o','u','y','A','E','I','O','U','Y'] word=input() n='' for i in range(len(word)): if word[i] not in a: if ord(word[i])<97: b=chr(ord(word[i])+32) n=n+'.'+b else: n=n+'.'+word[i] print(n)
Title: String Task Time Limit: None seconds Memory Limit: None megabytes Problem Description: Petya started to attend programming lessons. On the first lesson his task was to write a simple program. The program was supposed to do the following: in the given string, consisting if uppercase and lowercase Latin letters...
```python a=['a','e','i','o','u','y','A','E','I','O','U','Y'] word=input() n='' for i in range(len(word)): if word[i] not in a: if ord(word[i])<97: b=chr(ord(word[i])+32) n=n+'.'+b else: n=n+'.'+word[i] print(n) ```
3
MatrixStudio/Codeforces-Python-Submissions
961
B
Lecture Sleep
PROGRAMMING
1,200
[ "data structures", "dp", "implementation", "two pointers" ]
null
null
Your friend Mishka and you attend a calculus lecture. Lecture lasts *n* minutes. Lecturer tells *a**i* theorems during the *i*-th minute. Mishka is really interested in calculus, though it is so hard to stay awake for all the time of lecture. You are given an array *t* of Mishka's behavior. If Mishka is asleep during ...
The first line of the input contains two integer numbers *n* and *k* (1<=≤<=*k*<=≤<=*n*<=≤<=105) — the duration of the lecture in minutes and the number of minutes you can keep Mishka awake. The second line of the input contains *n* integer numbers *a*1,<=*a*2,<=... *a**n* (1<=≤<=*a**i*<=≤<=104) — the number of theore...
Print only one integer — the maximum number of theorems Mishka will be able to write down if you use your technique only once to wake him up.
[ "6 3\n1 3 5 2 5 4\n1 1 0 1 0 0\n" ]
[ "16\n" ]
In the sample case the better way is to use the secret technique at the beginning of the third minute. Then the number of theorems Mishka will be able to write down will be equal to 16.
0
[ { "input": "6 3\n1 3 5 2 5 4\n1 1 0 1 0 0", "output": "16" }, { "input": "5 3\n1 9999 10000 10000 10000\n0 0 0 0 0", "output": "30000" }, { "input": "3 3\n10 10 10\n1 1 0", "output": "30" }, { "input": "1 1\n423\n0", "output": "423" }, { "input": "6 6\n1 3 5 2 5 4...
1,539,257,562
2,147,483,647
Python 3
TIME_LIMIT_EXCEEDED
TESTS
4
1,000
6,144,000
n, k = map(int, input().split()) a = [int(i) for i in input().split()] t = [int(i) for i in input().split()] res = 0 for i in range(n): if t[i] == 1: res += a[i] a[i] = 0 pr = [0 for i in range(n - k + 1)] for i in range(n - k + 1): for j in range(i, i + k): pr[i] += a[j] pri...
Title: Lecture Sleep Time Limit: None seconds Memory Limit: None megabytes Problem Description: Your friend Mishka and you attend a calculus lecture. Lecture lasts *n* minutes. Lecturer tells *a**i* theorems during the *i*-th minute. Mishka is really interested in calculus, though it is so hard to stay awake for al...
```python n, k = map(int, input().split()) a = [int(i) for i in input().split()] t = [int(i) for i in input().split()] res = 0 for i in range(n): if t[i] == 1: res += a[i] a[i] = 0 pr = [0 for i in range(n - k + 1)] for i in range(n - k + 1): for j in range(i, i + k): pr[i] +=...
0
MatrixStudio/Codeforces-Python-Submissions
753
A
Santa Claus and Candies
PROGRAMMING
1,000
[ "dp", "greedy", "math" ]
null
null
Santa Claus has *n* candies, he dreams to give them as gifts to children. What is the maximal number of children for whose he can give candies if Santa Claus want each kid should get distinct positive integer number of candies. Santa Class wants to give all *n* candies he has.
The only line contains positive integer number *n* (1<=≤<=*n*<=≤<=1000) — number of candies Santa Claus has.
Print to the first line integer number *k* — maximal number of kids which can get candies. Print to the second line *k* distinct integer numbers: number of candies for each of *k* kid. The sum of *k* printed numbers should be exactly *n*. If there are many solutions, print any of them.
[ "5\n", "9\n", "2\n" ]
[ "2\n2 3\n", "3\n3 5 1\n", "1\n2 \n" ]
none
500
[ { "input": "5", "output": "2\n1 4 " }, { "input": "9", "output": "3\n1 2 6 " }, { "input": "2", "output": "1\n2 " }, { "input": "1", "output": "1\n1 " }, { "input": "3", "output": "2\n1 2 " }, { "input": "1000", "output": "44\n1 2 3 4 5 6 7 8 9 10 ...
1,483,029,262
2,147,483,647
Python 3
WRONG_ANSWER
TESTS
5
61
4,608,000
x=int(input()) c=1 c1=[] c11=0 if x==2: print(1) print(2) if x!=2: while c11<=x: x=x-c c11=c11+c c1.append(c) c+=1 #print(c11) #print(c1) #print(x) #print(len(c1)) if c1!=0: print(len(c1)) ...
Title: Santa Claus and Candies Time Limit: None seconds Memory Limit: None megabytes Problem Description: Santa Claus has *n* candies, he dreams to give them as gifts to children. What is the maximal number of children for whose he can give candies if Santa Claus want each kid should get distinct positive integer n...
```python x=int(input()) c=1 c1=[] c11=0 if x==2: print(1) print(2) if x!=2: while c11<=x: x=x-c c11=c11+c c1.append(c) c+=1 #print(c11) #print(c1) #print(x) #print(len(c1)) if c1!=0: print(len(c1)) ...
0
MatrixStudio/Codeforces-Python-Submissions
455
A
Boredom
PROGRAMMING
1,500
[ "dp" ]
null
null
Alex doesn't like boredom. That's why whenever he gets bored, he comes up with games. One long winter evening he came up with a game and decided to play it. Given a sequence *a* consisting of *n* integers. The player can make several steps. In a single step he can choose an element of the sequence (let's denote it *a*...
The first line contains integer *n* (1<=≤<=*n*<=≤<=105) that shows how many numbers are in Alex's sequence. The second line contains *n* integers *a*1, *a*2, ..., *a**n* (1<=≤<=*a**i*<=≤<=105).
Print a single integer — the maximum number of points that Alex can earn.
[ "2\n1 2\n", "3\n1 2 3\n", "9\n1 2 1 3 2 2 2 2 3\n" ]
[ "2\n", "4\n", "10\n" ]
Consider the third test example. At first step we need to choose any element equal to 2. After that step our sequence looks like this [2, 2, 2, 2]. Then we do 4 steps, on each step we choose any element equals to 2. In total we earn 10 points.
500
[ { "input": "2\n1 2", "output": "2" }, { "input": "3\n1 2 3", "output": "4" }, { "input": "9\n1 2 1 3 2 2 2 2 3", "output": "10" }, { "input": "5\n3 3 4 5 4", "output": "11" }, { "input": "5\n5 3 5 3 4", "output": "16" }, { "input": "5\n4 2 3 2 5", ...
1,699,267,855
2,147,483,647
PyPy 3
WRONG_ANSWER
TESTS
5
62
0
n = int(input()) arr = [int(i) for i in input().split()] ca, cb = 0, 0 for i in arr: if i % 2 == 0: ca += i else: cb += i print(max(ca, cb))
Title: Boredom Time Limit: None seconds Memory Limit: None megabytes Problem Description: Alex doesn't like boredom. That's why whenever he gets bored, he comes up with games. One long winter evening he came up with a game and decided to play it. Given a sequence *a* consisting of *n* integers. The player can make ...
```python n = int(input()) arr = [int(i) for i in input().split()] ca, cb = 0, 0 for i in arr: if i % 2 == 0: ca += i else: cb += i print(max(ca, cb)) ```
0
MatrixStudio/Codeforces-Python-Submissions
600
B
Queries about less or equal elements
PROGRAMMING
1,300
[ "binary search", "data structures", "sortings", "two pointers" ]
null
null
You are given two arrays of integers *a* and *b*. For each element of the second array *b**j* you should find the number of elements in array *a* that are less than or equal to the value *b**j*.
The first line contains two integers *n*,<=*m* (1<=≤<=*n*,<=*m*<=≤<=2·105) — the sizes of arrays *a* and *b*. The second line contains *n* integers — the elements of array *a* (<=-<=109<=≤<=*a**i*<=≤<=109). The third line contains *m* integers — the elements of array *b* (<=-<=109<=≤<=*b**j*<=≤<=109).
Print *m* integers, separated by spaces: the *j*-th of which is equal to the number of such elements in array *a* that are less than or equal to the value *b**j*.
[ "5 4\n1 3 5 7 9\n6 4 2 8\n", "5 5\n1 2 1 2 5\n3 1 4 1 5\n" ]
[ "3 2 1 4\n", "4 2 4 2 5\n" ]
none
0
[ { "input": "5 4\n1 3 5 7 9\n6 4 2 8", "output": "3 2 1 4" }, { "input": "5 5\n1 2 1 2 5\n3 1 4 1 5", "output": "4 2 4 2 5" }, { "input": "1 1\n-1\n-2", "output": "0" }, { "input": "1 1\n-80890826\n686519510", "output": "1" }, { "input": "11 11\n237468511 -77918754...
1,622,953,112
2,147,483,647
Python 3
WRONG_ANSWER
TESTS
2
109
0
s=str(input()) s=str(input()) mas1=s.split() s=str(input()) mas2=s.split() for j in mas2: k=0 for i in mas1: if i<=j: k+=1 print(k,end=" ")
Title: Queries about less or equal elements Time Limit: None seconds Memory Limit: None megabytes Problem Description: You are given two arrays of integers *a* and *b*. For each element of the second array *b**j* you should find the number of elements in array *a* that are less than or equal to the value *b**j*. In...
```python s=str(input()) s=str(input()) mas1=s.split() s=str(input()) mas2=s.split() for j in mas2: k=0 for i in mas1: if i<=j: k+=1 print(k,end=" ") ```
0
MatrixStudio/Codeforces-Python-Submissions
490
A
Team Olympiad
PROGRAMMING
800
[ "greedy", "implementation", "sortings" ]
null
null
The School №0 of the capital of Berland has *n* children studying in it. All the children in this school are gifted: some of them are good at programming, some are good at maths, others are good at PE (Physical Education). Hence, for each child we know value *t**i*: - *t**i*<==<=1, if the *i*-th child is good at prog...
The first line contains integer *n* (1<=≤<=*n*<=≤<=5000) — the number of children in the school. The second line contains *n* integers *t*1,<=*t*2,<=...,<=*t**n* (1<=≤<=*t**i*<=≤<=3), where *t**i* describes the skill of the *i*-th child.
In the first line output integer *w* — the largest possible number of teams. Then print *w* lines, containing three numbers in each line. Each triple represents the indexes of the children forming the team. You can print both the teams, and the numbers in the triplets in any order. The children are numbered from 1 to...
[ "7\n1 3 1 3 2 1 2\n", "4\n2 1 1 2\n" ]
[ "2\n3 5 2\n6 7 4\n", "0\n" ]
none
500
[ { "input": "7\n1 3 1 3 2 1 2", "output": "2\n3 5 2\n6 7 4" }, { "input": "4\n2 1 1 2", "output": "0" }, { "input": "1\n2", "output": "0" }, { "input": "2\n3 1", "output": "0" }, { "input": "3\n2 1 2", "output": "0" }, { "input": "3\n1 2 3", "output...
1,662,622,144
2,147,483,647
Python 3
RUNTIME_ERROR
TESTS
1
46
0
n=int(input())#number of people t=list(map(int,input().split())) NOT=(t.count(1)+t.count(2)+t.count(3))//3 a=[] b=[] c=[] if c==0: print (NOT) else: print(NOT) for i in range(len(t)): if t[i]==1: a.append(i+1) elif t[i]==2: b.append(i+1) else: ...
Title: Team Olympiad Time Limit: None seconds Memory Limit: None megabytes Problem Description: The School №0 of the capital of Berland has *n* children studying in it. All the children in this school are gifted: some of them are good at programming, some are good at maths, others are good at PE (Physical Education)...
```python n=int(input())#number of people t=list(map(int,input().split())) NOT=(t.count(1)+t.count(2)+t.count(3))//3 a=[] b=[] c=[] if c==0: print (NOT) else: print(NOT) for i in range(len(t)): if t[i]==1: a.append(i+1) elif t[i]==2: b.append(i+1) ...
-1
MatrixStudio/Codeforces-Python-Submissions
459
B
Pashmak and Flowers
PROGRAMMING
1,300
[ "combinatorics", "implementation", "sortings" ]
null
null
Pashmak decided to give Parmida a pair of flowers from the garden. There are *n* flowers in the garden and the *i*-th of them has a beauty number *b**i*. Parmida is a very strange girl so she doesn't want to have the two most beautiful flowers necessarily. She wants to have those pairs of flowers that their beauty diff...
The first line of the input contains *n* (2<=≤<=*n*<=≤<=2·105). In the next line there are *n* space-separated integers *b*1, *b*2, ..., *b**n* (1<=≤<=*b**i*<=≤<=109).
The only line of output should contain two integers. The maximum beauty difference and the number of ways this may happen, respectively.
[ "2\n1 2\n", "3\n1 4 5\n", "5\n3 1 2 3 1\n" ]
[ "1 1", "4 1", "2 4" ]
In the third sample the maximum beauty difference is 2 and there are 4 ways to do this: 1. choosing the first and the second flowers; 1. choosing the first and the fifth flowers; 1. choosing the fourth and the second flowers; 1. choosing the fourth and the fifth flowers.
500
[ { "input": "2\n1 2", "output": "1 1" }, { "input": "3\n1 4 5", "output": "4 1" }, { "input": "5\n3 1 2 3 1", "output": "2 4" }, { "input": "2\n1 1", "output": "0 1" }, { "input": "3\n1 1 1", "output": "0 3" }, { "input": "4\n1 1 1 1", "output": "0 ...
1,667,543,499
2,147,483,647
Python 3
OK
TESTS
58
233
17,920,000
def sol(arr,n): arr = sorted(arr,reverse = True) diff = arr[0]-arr[-1] if diff == 0: k = n-1 res = int(k*(k+1)/2) return [diff , res] h = arr[0] l = arr[-1] hcount = 0 lcount = 0 for i in range(n): if arr[i]==h: hcount+=1 ...
Title: Pashmak and Flowers Time Limit: None seconds Memory Limit: None megabytes Problem Description: Pashmak decided to give Parmida a pair of flowers from the garden. There are *n* flowers in the garden and the *i*-th of them has a beauty number *b**i*. Parmida is a very strange girl so she doesn't want to have th...
```python def sol(arr,n): arr = sorted(arr,reverse = True) diff = arr[0]-arr[-1] if diff == 0: k = n-1 res = int(k*(k+1)/2) return [diff , res] h = arr[0] l = arr[-1] hcount = 0 lcount = 0 for i in range(n): if arr[i]==h: h...
3
MatrixStudio/Codeforces-Python-Submissions
620
B
Grandfather Dovlet’s calculator
PROGRAMMING
1,000
[ "implementation" ]
null
null
Once Max found an electronic calculator from his grandfather Dovlet's chest. He noticed that the numbers were written with seven-segment indicators ([https://en.wikipedia.org/wiki/Seven-segment_display](https://en.wikipedia.org/wiki/Seven-segment_display)). Max starts to type all the values from *a* to *b*. After typi...
The only line contains two integers *a*,<=*b* (1<=≤<=*a*<=≤<=*b*<=≤<=106) — the first and the last number typed by Max.
Print the only integer *a* — the total number of printed segments.
[ "1 3\n", "10 15\n" ]
[ "12\n", "39\n" ]
none
0
[ { "input": "1 3", "output": "12" }, { "input": "10 15", "output": "39" }, { "input": "1 100", "output": "928" }, { "input": "100 10000", "output": "188446" }, { "input": "213 221442", "output": "5645356" }, { "input": "1 1000000", "output": "287333...
1,562,328,211
2,147,483,647
PyPy 3
OK
TESTS
11
638
1,638,400
segment = [6,2,5,5,4,5,6,3,7,6] a,b = map(int,input().split()) ans = 0 for i in range(a,b+1): for j in str(i): ans+=segment[int(j)] print(ans)
Title: Grandfather Dovlet’s calculator Time Limit: None seconds Memory Limit: None megabytes Problem Description: Once Max found an electronic calculator from his grandfather Dovlet's chest. He noticed that the numbers were written with seven-segment indicators ([https://en.wikipedia.org/wiki/Seven-segment_display](...
```python segment = [6,2,5,5,4,5,6,3,7,6] a,b = map(int,input().split()) ans = 0 for i in range(a,b+1): for j in str(i): ans+=segment[int(j)] print(ans) ```
3
MatrixStudio/Codeforces-Python-Submissions
811
B
Vladik and Complicated Book
PROGRAMMING
1,200
[ "implementation", "sortings" ]
null
null
Vladik had started reading a complicated book about algorithms containing *n* pages. To improve understanding of what is written, his friends advised him to read pages in some order given by permutation *P*<==<=[*p*1,<=*p*2,<=...,<=*p**n*], where *p**i* denotes the number of page that should be read *i*-th in turn. So...
First line contains two space-separated integers *n*, *m* (1<=≤<=*n*,<=*m*<=≤<=104) — length of permutation and number of times Vladik's mom sorted some subsegment of the book. Second line contains *n* space-separated integers *p*1,<=*p*2,<=...,<=*p**n* (1<=≤<=*p**i*<=≤<=*n*) — permutation *P*. Note that elements in p...
For each mom’s sorting on it’s own line print "Yes", if page which is interesting to Vladik hasn't changed, or "No" otherwise.
[ "5 5\n5 4 3 2 1\n1 5 3\n1 3 1\n2 4 3\n4 4 4\n2 5 3\n", "6 5\n1 4 3 2 5 6\n2 4 3\n1 6 2\n4 5 4\n1 3 3\n2 6 3\n" ]
[ "Yes\nNo\nYes\nYes\nNo\n", "Yes\nNo\nYes\nNo\nYes\n" ]
Explanation of first test case: 1. [1, 2, 3, 4, 5] — permutation after sorting, 3-rd element hasn’t changed, so answer is "Yes". 1. [3, 4, 5, 2, 1] — permutation after sorting, 1-st element has changed, so answer is "No". 1. [5, 2, 3, 4, 1] — permutation after sorting, 3-rd element hasn’t changed, so answer is "Ye...
1,000
[ { "input": "5 5\n5 4 3 2 1\n1 5 3\n1 3 1\n2 4 3\n4 4 4\n2 5 3", "output": "Yes\nNo\nYes\nYes\nNo" }, { "input": "6 5\n1 4 3 2 5 6\n2 4 3\n1 6 2\n4 5 4\n1 3 3\n2 6 3", "output": "Yes\nNo\nYes\nNo\nYes" }, { "input": "10 10\n10 1 6 7 9 8 4 3 5 2\n1 1 1\n4 4 4\n7 7 7\n3 3 3\n1 6 5\n2 6 2\n6...
1,600,342,299
2,147,483,647
PyPy 3
TIME_LIMIT_EXCEEDED
TESTS
9
2,000
9,523,200
from math import * from bisect import * from collections import Counter,defaultdict from sys import stdin, stdout input = stdin.readline I =lambda:int(input()) SI =lambda:input() M =lambda:map(int,input().split()) LI=lambda:list(map(int,input().split())) n,k=M() a=LI() for i in range(k): l,r,x=M() ...
Title: Vladik and Complicated Book Time Limit: None seconds Memory Limit: None megabytes Problem Description: Vladik had started reading a complicated book about algorithms containing *n* pages. To improve understanding of what is written, his friends advised him to read pages in some order given by permutation *P*<...
```python from math import * from bisect import * from collections import Counter,defaultdict from sys import stdin, stdout input = stdin.readline I =lambda:int(input()) SI =lambda:input() M =lambda:map(int,input().split()) LI=lambda:list(map(int,input().split())) n,k=M() a=LI() for i in range(k): l,r,...
0
MatrixStudio/Codeforces-Python-Submissions
265
A
Colorful Stones (Simplified Edition)
PROGRAMMING
800
[ "implementation" ]
null
null
There is a sequence of colorful stones. The color of each stone is one of red, green, or blue. You are given a string *s*. The *i*-th (1-based) character of *s* represents the color of the *i*-th stone. If the character is "R", "G", or "B", the color of the corresponding stone is red, green, or blue, respectively. Ini...
The input contains two lines. The first line contains the string *s* (1<=≤<=|*s*|<=≤<=50). The second line contains the string *t* (1<=≤<=|*t*|<=≤<=50). The characters of each string will be one of "R", "G", or "B". It is guaranteed that Liss don't move out of the sequence.
Print the final 1-based position of Liss in a single line.
[ "RGB\nRRR\n", "RRRBGBRBBB\nBBBRR\n", "BRRBGBRGRBGRGRRGGBGBGBRGBRGRGGGRBRRRBRBBBGRRRGGBBB\nBBRBGGRGRGBBBRBGRBRBBBBRBRRRBGBBGBBRRBBGGRBRRBRGRB\n" ]
[ "2\n", "3\n", "15\n" ]
none
500
[ { "input": "RGB\nRRR", "output": "2" }, { "input": "RRRBGBRBBB\nBBBRR", "output": "3" }, { "input": "BRRBGBRGRBGRGRRGGBGBGBRGBRGRGGGRBRRRBRBBBGRRRGGBBB\nBBRBGGRGRGBBBRBGRBRBBBBRBRRRBGBBGBBRRBBGGRBRRBRGRB", "output": "15" }, { "input": "G\nRRBBRBRRBR", "output": "1" }, ...
1,622,653,683
2,147,483,647
PyPy 3
OK
TESTS
19
312
0
s=input() l=input() c=0 for i in range(len(l)): if l[i]==s[c]: c+=1 print(c+1)
Title: Colorful Stones (Simplified Edition) Time Limit: None seconds Memory Limit: None megabytes Problem Description: There is a sequence of colorful stones. The color of each stone is one of red, green, or blue. You are given a string *s*. The *i*-th (1-based) character of *s* represents the color of the *i*-th st...
```python s=input() l=input() c=0 for i in range(len(l)): if l[i]==s[c]: c+=1 print(c+1) ```
3
MatrixStudio/Codeforces-Python-Submissions
888
A
Local Extrema
PROGRAMMING
800
[ "brute force", "implementation" ]
null
null
You are given an array *a*. Some element of this array *a**i* is a local minimum iff it is strictly less than both of its neighbours (that is, *a**i*<=&lt;<=*a**i*<=-<=1 and *a**i*<=&lt;<=*a**i*<=+<=1). Also the element can be called local maximum iff it is strictly greater than its neighbours (that is, *a**i*<=&gt;<=*...
The first line contains one integer *n* (1<=≤<=*n*<=≤<=1000) — the number of elements in array *a*. The second line contains *n* integers *a*1, *a*2, ..., *a**n* (1<=≤<=*a**i*<=≤<=1000) — the elements of array *a*.
Print the number of local extrema in the given array.
[ "3\n1 2 3\n", "4\n1 5 2 5\n" ]
[ "0\n", "2\n" ]
none
0
[ { "input": "3\n1 2 3", "output": "0" }, { "input": "4\n1 5 2 5", "output": "2" }, { "input": "1\n1", "output": "0" }, { "input": "1\n548", "output": "0" }, { "input": "2\n1 1", "output": "0" }, { "input": "3\n3 2 3", "output": "1" }, { "inp...
1,601,174,763
2,147,483,647
Python 3
WRONG_ANSWER
TESTS
5
93
0
c = 0 n = int(input()) li = input().split() for i in range(n): if i != 0 and i != n-1: if li[i-1] > li[i] and li[i+1] > li[i] or li[i-1] < li[i] and li[i+1] < li[i]: c += 1 print(c)
Title: Local Extrema Time Limit: None seconds Memory Limit: None megabytes Problem Description: You are given an array *a*. Some element of this array *a**i* is a local minimum iff it is strictly less than both of its neighbours (that is, *a**i*<=&lt;<=*a**i*<=-<=1 and *a**i*<=&lt;<=*a**i*<=+<=1). Also the element c...
```python c = 0 n = int(input()) li = input().split() for i in range(n): if i != 0 and i != n-1: if li[i-1] > li[i] and li[i+1] > li[i] or li[i-1] < li[i] and li[i+1] < li[i]: c += 1 print(c) ```
0
MatrixStudio/Codeforces-Python-Submissions
172
B
Pseudorandom Sequence Period
PROGRAMMING
1,200
[ "*special", "implementation", "number theory" ]
null
null
Polycarpus has recently got interested in sequences of pseudorandom numbers. He learned that many programming languages generate such sequences in a similar way: (for *i*<=≥<=1). Here *a*, *b*, *m* are constants, fixed for the given realization of the pseudorandom numbers generator, *r*0 is the so-called *randseed* (t...
The single line of the input contains four integers *a*, *b*, *m* and *r*0 (1<=≤<=*m*<=≤<=105,<=0<=≤<=*a*,<=*b*<=≤<=1000,<=0<=≤<=*r*0<=&lt;<=*m*), separated by single spaces.
Print a single integer — the period of the sequence.
[ "2 6 12 11\n", "2 3 5 1\n", "3 6 81 9\n" ]
[ "2\n", "4\n", "1\n" ]
The first sample is described above. In the second sample the sequence is (starting from the first element): 0, 3, 4, 1, 0, 3, 4, 1, 0, ... In the third sample the sequence is (starting from the first element): 33, 24, 78, 78, 78, 78, ...
1,000
[ { "input": "2 6 12 11", "output": "2" }, { "input": "2 3 5 1", "output": "4" }, { "input": "3 6 81 9", "output": "1" }, { "input": "10 11 12 3", "output": "3" }, { "input": "4 4 5 4", "output": "2" }, { "input": "0 1 6 5", "output": "1" }, { ...
1,667,875,653
2,147,483,647
PyPy 3-64
OK
TESTS
56
154
10,547,200
a, b, m, r = map(int, input().split()) d = {} i = 1 while True: r = (a * r + b) % m g = d.get(r, 0) if g: i -= g break d[r] = i i += 1 print(i)
Title: Pseudorandom Sequence Period Time Limit: None seconds Memory Limit: None megabytes Problem Description: Polycarpus has recently got interested in sequences of pseudorandom numbers. He learned that many programming languages generate such sequences in a similar way: (for *i*<=≥<=1). Here *a*, *b*, *m* are con...
```python a, b, m, r = map(int, input().split()) d = {} i = 1 while True: r = (a * r + b) % m g = d.get(r, 0) if g: i -= g break d[r] = i i += 1 print(i) ```
3
MatrixStudio/Codeforces-Python-Submissions
0
none
none
none
0
[ "none" ]
null
null
Today on a lecture about strings Gerald learned a new definition of string equivalency. Two strings *a* and *b* of equal length are called equivalent in one of the two cases: 1. They are equal. 1. If we split string *a* into two halves of the same size *a*1 and *a*2, and string *b* into two halves of the same size ...
The first two lines of the input contain two strings given by the teacher. Each of them has the length from 1 to 200<=000 and consists of lowercase English letters. The strings have the same length.
Print "YES" (without the quotes), if these two strings are equivalent, and "NO" (without the quotes) otherwise.
[ "aaba\nabaa\n", "aabb\nabab\n" ]
[ "YES\n", "NO\n" ]
In the first sample you should split the first string into strings "aa" and "ba", the second one — into strings "ab" and "aa". "aa" is equivalent to "aa"; "ab" is equivalent to "ba" as "ab" = "a" + "b", "ba" = "b" + "a". In the second sample the first string can be splitted into strings "aa" and "bb", that are equival...
0
[ { "input": "aaba\nabaa", "output": "YES" }, { "input": "aabb\nabab", "output": "NO" }, { "input": "a\na", "output": "YES" }, { "input": "a\nb", "output": "NO" }, { "input": "ab\nab", "output": "YES" }, { "input": "ab\nba", "output": "YES" }, { ...
1,604,811,000
2,147,483,647
PyPy 3
TIME_LIMIT_EXCEEDED
TESTS
90
2,000
10,854,400
a = input() b = input() def checkStr(a, b): if(a == b): return True if (len(a) % 2 == 0 and len(b) % 2 == 0 and len(a) == len(b)): return (checkStr(a[:len(a)//2], b[:len(a)//2]) and checkStr(a[len(a)//2:] , b[len(a)//2:])) or (checkStr(a[:len(a)//2] , b[len(a)//2:]) and checkStr(a[len(a)//2:], ...
Title: none Time Limit: None seconds Memory Limit: None megabytes Problem Description: Today on a lecture about strings Gerald learned a new definition of string equivalency. Two strings *a* and *b* of equal length are called equivalent in one of the two cases: 1. They are equal. 1. If we split string *a* into t...
```python a = input() b = input() def checkStr(a, b): if(a == b): return True if (len(a) % 2 == 0 and len(b) % 2 == 0 and len(a) == len(b)): return (checkStr(a[:len(a)//2], b[:len(a)//2]) and checkStr(a[len(a)//2:] , b[len(a)//2:])) or (checkStr(a[:len(a)//2] , b[len(a)//2:]) and checkStr(a[len...
0
MatrixStudio/Codeforces-Python-Submissions
53
A
Autocomplete
PROGRAMMING
1,100
[ "implementation" ]
A. Autocomplete
2
256
Autocomplete is a program function that enables inputting the text (in editors, command line shells, browsers etc.) completing the text by its inputted part. Vasya is busy working on a new browser called 'BERowser'. He happens to be working on the autocomplete function in the address line at this very moment. A list co...
The first line contains the *s* line which is the inputted part. The second line contains an integer *n* (1<=≤<=*n*<=≤<=100) which is the number of visited pages. Then follow *n* lines which are the visited pages, one on each line. All the lines have lengths of from 1 to 100 symbols inclusively and consist of lowercase...
If *s* is not the beginning of any of *n* addresses of the visited pages, print *s*. Otherwise, print the lexicographically minimal address of one of the visited pages starting from *s*. The lexicographical order is the order of words in a dictionary. The lexicographical comparison of lines is realized by the '&lt;' o...
[ "next\n2\nnextpermutation\nnextelement\n", "find\n4\nfind\nfindfirstof\nfindit\nfand\n", "find\n4\nfondfind\nfondfirstof\nfondit\nfand\n" ]
[ "nextelement\n", "find\n", "find\n" ]
none
500
[ { "input": "next\n2\nnextpermutation\nnextelement", "output": "nextelement" }, { "input": "find\n4\nfind\nfindfirstof\nfindit\nfand", "output": "find" }, { "input": "find\n4\nfondfind\nfondfirstof\nfondit\nfand", "output": "find" }, { "input": "kudljmxcse\n4\nkudljmxcse\nszje...
1,631,706,685
2,147,483,647
PyPy 3
RUNTIME_ERROR
TESTS
3
218
22,220,800
s=input() n=int(input()) lst=[] for i in range(n): d=input() lst.append(d) ans=[] m=0 for i in lst: m=0 for j in range(len(s)): if s[j]==i[j]: m+=1 if m==len(s): ans.append(i) ans.sort() if len(ans)!=0: print(ans[0]) else: print(...
Title: Autocomplete Time Limit: 2 seconds Memory Limit: 256 megabytes Problem Description: Autocomplete is a program function that enables inputting the text (in editors, command line shells, browsers etc.) completing the text by its inputted part. Vasya is busy working on a new browser called 'BERowser'. He happens...
```python s=input() n=int(input()) lst=[] for i in range(n): d=input() lst.append(d) ans=[] m=0 for i in lst: m=0 for j in range(len(s)): if s[j]==i[j]: m+=1 if m==len(s): ans.append(i) ans.sort() if len(ans)!=0: print(ans[0]) else: ...
-1
MatrixStudio/Codeforces-Python-Submissions
9
A
Die Roll
PROGRAMMING
800
[ "math", "probabilities" ]
A. Die Roll
1
64
Yakko, Wakko and Dot, world-famous animaniacs, decided to rest from acting in cartoons, and take a leave to travel a bit. Yakko dreamt to go to Pennsylvania, his Motherland and the Motherland of his ancestors. Wakko thought about Tasmania, its beaches, sun and sea. Dot chose Transylvania as the most mysterious and unpr...
The only line of the input file contains two natural numbers Y and W — the results of Yakko's and Wakko's die rolls.
Output the required probability in the form of irreducible fraction in format «A/B», where A — the numerator, and B — the denominator. If the required probability equals to zero, output «0/1». If the required probability equals to 1, output «1/1».
[ "4 2\n" ]
[ "1/2\n" ]
Dot will go to Transylvania, if she is lucky to roll 4, 5 or 6 points.
0
[ { "input": "4 2", "output": "1/2" }, { "input": "1 1", "output": "1/1" }, { "input": "1 2", "output": "5/6" }, { "input": "1 3", "output": "2/3" }, { "input": "1 4", "output": "1/2" }, { "input": "1 5", "output": "1/3" }, { "input": "1 6", ...
1,656,065,252
2,147,483,647
Python 3
WRONG_ANSWER
TESTS
0
30
0
a,b=input().split() a=int(a) b=int(b) c=max(a,b) print((7-c)/6)
Title: Die Roll Time Limit: 1 seconds Memory Limit: 64 megabytes Problem Description: Yakko, Wakko and Dot, world-famous animaniacs, decided to rest from acting in cartoons, and take a leave to travel a bit. Yakko dreamt to go to Pennsylvania, his Motherland and the Motherland of his ancestors. Wakko thought about T...
```python a,b=input().split() a=int(a) b=int(b) c=max(a,b) print((7-c)/6) ```
0
MatrixStudio/Codeforces-Python-Submissions
9
C
Hexadecimal's Numbers
PROGRAMMING
1,200
[ "brute force", "implementation", "math" ]
C. Hexadecimal's Numbers
1
64
One beautiful July morning a terrible thing happened in Mainframe: a mean virus Megabyte somehow got access to the memory of his not less mean sister Hexadecimal. He loaded there a huge amount of *n* different natural numbers from 1 to *n* to obtain total control over her energy. But his plan failed. The reason for th...
Input data contains the only number *n* (1<=≤<=*n*<=≤<=109).
Output the only number — answer to the problem.
[ "10\n" ]
[ "2" ]
For *n* = 10 the answer includes numbers 1 and 10.
0
[ { "input": "10", "output": "2" }, { "input": "20", "output": "3" }, { "input": "72", "output": "3" }, { "input": "99", "output": "3" }, { "input": "100", "output": "4" }, { "input": "101", "output": "5" }, { "input": "102", "output": "5...
1,592,449,323
2,147,483,647
Python 3
RUNTIME_ERROR
TESTS
0
186
0
num=int(input()) print (int(num,2))
Title: Hexadecimal's Numbers Time Limit: 1 seconds Memory Limit: 64 megabytes Problem Description: One beautiful July morning a terrible thing happened in Mainframe: a mean virus Megabyte somehow got access to the memory of his not less mean sister Hexadecimal. He loaded there a huge amount of *n* different natural ...
```python num=int(input()) print (int(num,2)) ```
-1
MatrixStudio/Codeforces-Python-Submissions
313
A
Ilya and Bank Account
PROGRAMMING
900
[ "implementation", "number theory" ]
null
null
Ilya is a very clever lion, he lives in an unusual city ZooVille. In this city all the animals have their rights and obligations. Moreover, they even have their own bank accounts. The state of a bank account is an integer. The state of a bank account can be a negative number. This means that the owner of the account ow...
The single line contains integer *n* (10<=≤<=|*n*|<=≤<=109) — the state of Ilya's bank account.
In a single line print an integer — the maximum state of the bank account that Ilya can get.
[ "2230\n", "-10\n", "-100003\n" ]
[ "2230\n", "0\n", "-10000\n" ]
In the first test sample Ilya doesn't profit from using the present. In the second test sample you can delete digit 1 and get the state of the account equal to 0.
500
[ { "input": "2230", "output": "2230" }, { "input": "-10", "output": "0" }, { "input": "-100003", "output": "-10000" }, { "input": "544883178", "output": "544883178" }, { "input": "-847251738", "output": "-84725173" }, { "input": "423654797", "output...
1,699,779,466
2,147,483,647
PyPy 3-64
OK
TESTS
47
124
0
def m(n): if n >= 0: return n n = abs(n) l = n % 10 q = (n // 10) % 10 if l >= q: return -1 * (n // 10) else: return -1 * (n // 100 * 10 + l) n = int(input()) print(m(n))
Title: Ilya and Bank Account Time Limit: None seconds Memory Limit: None megabytes Problem Description: Ilya is a very clever lion, he lives in an unusual city ZooVille. In this city all the animals have their rights and obligations. Moreover, they even have their own bank accounts. The state of a bank account is an...
```python def m(n): if n >= 0: return n n = abs(n) l = n % 10 q = (n // 10) % 10 if l >= q: return -1 * (n // 10) else: return -1 * (n // 100 * 10 + l) n = int(input()) print(m(n)) ```
3
MatrixStudio/Codeforces-Python-Submissions