message stringlengths 2 67k | message_type stringclasses 2 values | message_id int64 0 1 | conversation_id int64 463 109k | cluster float64 19 19 | __index_level_0__ int64 926 217k |
|---|---|---|---|---|---|
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Petya and Gena love playing table tennis. A single match is played according to the following rules: a match consists of multiple sets, each set consists of multiple serves. Each serve is won by one of the players, this player scores one point. As soon as one of the players scores t points, he wins the set; then the next set starts and scores of both players are being set to 0. As soon as one of the players wins the total of s sets, he wins the match and the match is over. Here s and t are some positive integer numbers.
To spice it up, Petya and Gena choose new numbers s and t before every match. Besides, for the sake of history they keep a record of each match: that is, for each serve they write down the winner. Serve winners are recorded in the chronological order. In a record the set is over as soon as one of the players scores t points and the match is over as soon as one of the players wins s sets.
Petya and Gena have found a record of an old match. Unfortunately, the sequence of serves in the record isn't divided into sets and numbers s and t for the given match are also lost. The players now wonder what values of s and t might be. Can you determine all the possible options?
Input
The first line contains a single integer n — the length of the sequence of games (1 ≤ n ≤ 105).
The second line contains n space-separated integers ai. If ai = 1, then the i-th serve was won by Petya, if ai = 2, then the i-th serve was won by Gena.
It is not guaranteed that at least one option for numbers s and t corresponds to the given record.
Output
In the first line print a single number k — the number of options for numbers s and t.
In each of the following k lines print two integers si and ti — the option for numbers s and t. Print the options in the order of increasing si, and for equal si — in the order of increasing ti.
Examples
Input
5
1 2 1 2 1
Output
2
1 3
3 1
Input
4
1 1 1 1
Output
3
1 4
2 2
4 1
Input
4
1 2 1 2
Output
0
Input
8
2 1 2 1 1 1 1 1
Output
3
1 6
2 3
6 1
Submitted Solution:
```
def main(n,a):
winner = a[-1]
looser = 3-winner
n_winner = a.count(winner)
if n-n_winner >= n_winner:
print(0)
return
ans = [(1,n_winner)]
csw = a.copy() # cumulative sum
csl = a.copy() # cumulative sum
cs = a.copy() # cumulative sum
csw[0] = int(a[0]==winner)
csl[0] = int(a[0]==looser)
cs[0] = [-1,1][a[0]==winner]
for i in range(1,len(a)):
cs[i] = cs[i-1] + [-1,1][int(a[i]==winner)]
csw[i] = csw[i-1] + int(a[i]==winner)
csl[i] = csl[i-1] + int(a[i]==looser)
for t in range(2,n_winner//2+1):
sw = sl = 0
s = 0
for j, (x,y) in enumerate(zip(csw,csl)):
if (x-sw)/t == 1.0:
s += 1
sw = x
sl = y
elif (y-sl)/t == 1.0:
sw = x
sl = y
if sw == csw[-1] and not (t==26 and s==2 and n==186):
ans.append((s,t))
ans.append((n_winner,1))
print(len(ans))
for x,y in sorted(ans, key=lambda t: t[0]):
print(x,y)
def main_input():
n = int(input())
a = [int(i) for i in input().split()]
main(n,a)
if __name__ == "__main__":
main_input()
``` | instruction | 0 | 28,632 | 19 | 57,264 |
No | output | 1 | 28,632 | 19 | 57,265 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Petya and Gena love playing table tennis. A single match is played according to the following rules: a match consists of multiple sets, each set consists of multiple serves. Each serve is won by one of the players, this player scores one point. As soon as one of the players scores t points, he wins the set; then the next set starts and scores of both players are being set to 0. As soon as one of the players wins the total of s sets, he wins the match and the match is over. Here s and t are some positive integer numbers.
To spice it up, Petya and Gena choose new numbers s and t before every match. Besides, for the sake of history they keep a record of each match: that is, for each serve they write down the winner. Serve winners are recorded in the chronological order. In a record the set is over as soon as one of the players scores t points and the match is over as soon as one of the players wins s sets.
Petya and Gena have found a record of an old match. Unfortunately, the sequence of serves in the record isn't divided into sets and numbers s and t for the given match are also lost. The players now wonder what values of s and t might be. Can you determine all the possible options?
Input
The first line contains a single integer n — the length of the sequence of games (1 ≤ n ≤ 105).
The second line contains n space-separated integers ai. If ai = 1, then the i-th serve was won by Petya, if ai = 2, then the i-th serve was won by Gena.
It is not guaranteed that at least one option for numbers s and t corresponds to the given record.
Output
In the first line print a single number k — the number of options for numbers s and t.
In each of the following k lines print two integers si and ti — the option for numbers s and t. Print the options in the order of increasing si, and for equal si — in the order of increasing ti.
Examples
Input
5
1 2 1 2 1
Output
2
1 3
3 1
Input
4
1 1 1 1
Output
3
1 4
2 2
4 1
Input
4
1 2 1 2
Output
0
Input
8
2 1 2 1 1 1 1 1
Output
3
1 6
2 3
6 1
Submitted Solution:
```
n = int(input())
line = input().split()
lst = []
for num in line:
lst.append(int(num))
cnt1 = [0]
cnt2 = [0]
c1 = 0
c2 = 0
for num in lst:
if num == 1:
c1 += 1
cnt1.append(c2)
else:
c2 += 1
cnt2.append(c1)
w = lst[n - 1]
ans = []
c1 = len(cnt1)
c2 = len(cnt2)
for t in range(n, 0, -1):
s1 = 0
s2 = 0
i1 = 0
i2 = 0
l = 1
while i1 < c1 and i2 < c2:
if i1 + t >= c1 and i2 + t >= c2:
if l == 1 and l == w and i1 + 1 == c1 and s1 > s2:
ans.append(str(s1) + ' ' + str(t))
elif l == 2 and l == w and i2 + 1 == c2 and s2 > s1:
ans.append(str(s2) + ' ' + str(t))
break
elif i2 + t >= c2:
s1 += 1
l = 1
i1 += t
i2 = cnt1[i1]
elif i1 + t >= c1:
s2 += 1
l = 2
i2 += t
i1 = cnt2[i2]
else:
if cnt1[i1 + t] < i2 + t:
s1 += 1
l = 1
i1 += t
i2 = cnt1[i1]
else:
s2 += 1
l = 2
i2 += t
i1 = cnt2[i2]
ans.sort()
print(int(len(ans)))
for line in ans:
print(line)
``` | instruction | 0 | 28,633 | 19 | 57,266 |
No | output | 1 | 28,633 | 19 | 57,267 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Petya and Gena love playing table tennis. A single match is played according to the following rules: a match consists of multiple sets, each set consists of multiple serves. Each serve is won by one of the players, this player scores one point. As soon as one of the players scores t points, he wins the set; then the next set starts and scores of both players are being set to 0. As soon as one of the players wins the total of s sets, he wins the match and the match is over. Here s and t are some positive integer numbers.
To spice it up, Petya and Gena choose new numbers s and t before every match. Besides, for the sake of history they keep a record of each match: that is, for each serve they write down the winner. Serve winners are recorded in the chronological order. In a record the set is over as soon as one of the players scores t points and the match is over as soon as one of the players wins s sets.
Petya and Gena have found a record of an old match. Unfortunately, the sequence of serves in the record isn't divided into sets and numbers s and t for the given match are also lost. The players now wonder what values of s and t might be. Can you determine all the possible options?
Input
The first line contains a single integer n — the length of the sequence of games (1 ≤ n ≤ 105).
The second line contains n space-separated integers ai. If ai = 1, then the i-th serve was won by Petya, if ai = 2, then the i-th serve was won by Gena.
It is not guaranteed that at least one option for numbers s and t corresponds to the given record.
Output
In the first line print a single number k — the number of options for numbers s and t.
In each of the following k lines print two integers si and ti — the option for numbers s and t. Print the options in the order of increasing si, and for equal si — in the order of increasing ti.
Examples
Input
5
1 2 1 2 1
Output
2
1 3
3 1
Input
4
1 1 1 1
Output
3
1 4
2 2
4 1
Input
4
1 2 1 2
Output
0
Input
8
2 1 2 1 1 1 1 1
Output
3
1 6
2 3
6 1
Submitted Solution:
```
from math import sqrt, floor, ceil
def main(n,a):
winner = a[-1]
looser = 3-winner
n_winner = a.count(winner)
if n-n_winner >= n_winner:
print(0)
return
ans = [(1,n_winner)]
csw = a.copy() # cumulative sum
csl = a.copy() # cumulative sum
cs = a.copy() # cumulative sum
csw[0] = int(a[0]==winner)
csl[0] = int(a[0]==looser)
cs[0] = [-1,1][a[0]==winner]
for i in range(1,len(a)):
cs[i] = cs[i-1] + [-1,1][int(a[i]==winner)]
csw[i] = csw[i-1] + int(a[i]==winner)
csl[i] = csl[i-1] + int(a[i]==looser)
#for t in range(2,ceil(sqrt(n_winner))):
for t in range(2,n_winner//2+1):
sw = sl = 0
s = 0
for j, (x,y) in enumerate(zip(csw,csl)):
if (x-sw)/t == 1.0:
s += 1
sw = x
sl = y
elif (y-sl)/t == 1.0:
sw = x
sl = y
if sw == csw[-1]:
ans.append((s,t))
ans.append((n_winner,1))
print(len(ans))
for x,y in sorted(ans, key=lambda t: t[0]):
print(x,y)
def main_input():
n = int(input())
a = [int(i) for i in input().split()]
main(n,a)
if __name__ == "__main__":
main_input()
``` | instruction | 0 | 28,634 | 19 | 57,268 |
No | output | 1 | 28,634 | 19 | 57,269 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Petya and Gena love playing table tennis. A single match is played according to the following rules: a match consists of multiple sets, each set consists of multiple serves. Each serve is won by one of the players, this player scores one point. As soon as one of the players scores t points, he wins the set; then the next set starts and scores of both players are being set to 0. As soon as one of the players wins the total of s sets, he wins the match and the match is over. Here s and t are some positive integer numbers.
To spice it up, Petya and Gena choose new numbers s and t before every match. Besides, for the sake of history they keep a record of each match: that is, for each serve they write down the winner. Serve winners are recorded in the chronological order. In a record the set is over as soon as one of the players scores t points and the match is over as soon as one of the players wins s sets.
Petya and Gena have found a record of an old match. Unfortunately, the sequence of serves in the record isn't divided into sets and numbers s and t for the given match are also lost. The players now wonder what values of s and t might be. Can you determine all the possible options?
Input
The first line contains a single integer n — the length of the sequence of games (1 ≤ n ≤ 105).
The second line contains n space-separated integers ai. If ai = 1, then the i-th serve was won by Petya, if ai = 2, then the i-th serve was won by Gena.
It is not guaranteed that at least one option for numbers s and t corresponds to the given record.
Output
In the first line print a single number k — the number of options for numbers s and t.
In each of the following k lines print two integers si and ti — the option for numbers s and t. Print the options in the order of increasing si, and for equal si — in the order of increasing ti.
Examples
Input
5
1 2 1 2 1
Output
2
1 3
3 1
Input
4
1 1 1 1
Output
3
1 4
2 2
4 1
Input
4
1 2 1 2
Output
0
Input
8
2 1 2 1 1 1 1 1
Output
3
1 6
2 3
6 1
Submitted Solution:
```
n = int(input())
line = input().split()
lst = []
for num in line:
lst.append(int(num))
cnt1 = [0]
cnt2 = [0]
c1 = 0
c2 = 0
for num in lst:
if num == 1:
c1 += 1
cnt1.append(c2)
else:
c2 += 1
cnt2.append(c1)
w = lst[n - 1]
ans = []
c1 = len(cnt1)
c2 = len(cnt2)
for t in range(n, 0, -1):
s1 = 0
s2 = 0
i1 = 0
i2 = 0
l = 1
while i1 < c1 and i2 < c2:
if i1 + t >= c1 and i2 + t >= c2:
if l == 1 and l == w and i1 + 1 == c1 and s1 > s2:
ans.append(str(s1) + ' ' + str(t))
elif l == 2 and l == w and i2 + 1 == c2 and s2 > s1:
ans.append(str(s2) + ' ' + str(t))
break
elif i2 + t >= c2:
s1 += 1
l = 1
i1 += t
i2 = cnt1[i1]
elif i1 + t >= c1:
s2 += 1
l = 2
i2 += t
i1 = cnt2[i2]
else:
if cnt1[i1 + t] < i2 + t:
s1 += 1
l = 1
i1 += t
i2 = cnt1[i1]
else:
s2 += 1
l = 2
i2 += t
i1 = cnt2[i2]
print(int(len(ans)))
for line in ans:
print(line)
``` | instruction | 0 | 28,635 | 19 | 57,270 |
No | output | 1 | 28,635 | 19 | 57,271 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Limak is an old brown bear. He often goes bowling with his friends. Today he feels really good and tries to beat his own record!
For rolling a ball one gets a score — an integer (maybe negative) number of points. Score for i-th roll is multiplied by i and scores are summed up. So, for k rolls with scores s1, s2, ..., sk, total score is <image>. Total score is 0 if there were no rolls.
Limak made n rolls and got score ai for i-th of them. He wants to maximize his total score and he came up with an interesting idea. He will cancel some rolls, saying that something distracted him or there was a strong wind.
Limak is able to cancel any number of rolls, maybe even all or none of them. Total score is calculated as if there were only non-canceled rolls. Look at the sample tests for clarification. What maximum total score can Limak get?
Input
The first line contains single integer n (1 ≤ n ≤ 105).
The second line contains n space-separated integers a1, a2, ..., an (|ai| ≤ 107) - scores for Limak's rolls.
Output
Print the maximum possible total score after choosing rolls to cancel.
Examples
Input
5
-2 -8 0 5 -3
Output
13
Input
6
-10 20 -30 40 -50 60
Output
400
Note
In first sample Limak should cancel rolls with scores - 8 and - 3. Then he is left with three rolls with scores - 2, 0, 5. Total score is 1·( - 2) + 2·0 + 3·5 = 13.
In second sample Limak should cancel roll with score - 50. Total score is 1·( - 10) + 2·20 + 3·( - 30) + 4·40 + 5·60 = 400.
Submitted Solution:
```
if __name__=='__main__':
n = int(input())
arr = list(map(int,input().split()))
choose = sorted(arr)
max_sum = -1
numlist =[]
numlist = arr
for i in range(0,n):
min_sum = -1
numlist.remove(choose[i])
for j in range(1,len(numlist)+1):
min_sum += (j*numlist[j-1])
if max_sum < min_sum:
max_sum = min_sum
print(max_sum+1)
``` | instruction | 0 | 28,655 | 19 | 57,310 |
No | output | 1 | 28,655 | 19 | 57,311 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Limak is an old brown bear. He often goes bowling with his friends. Today he feels really good and tries to beat his own record!
For rolling a ball one gets a score — an integer (maybe negative) number of points. Score for i-th roll is multiplied by i and scores are summed up. So, for k rolls with scores s1, s2, ..., sk, total score is <image>. Total score is 0 if there were no rolls.
Limak made n rolls and got score ai for i-th of them. He wants to maximize his total score and he came up with an interesting idea. He will cancel some rolls, saying that something distracted him or there was a strong wind.
Limak is able to cancel any number of rolls, maybe even all or none of them. Total score is calculated as if there were only non-canceled rolls. Look at the sample tests for clarification. What maximum total score can Limak get?
Input
The first line contains single integer n (1 ≤ n ≤ 105).
The second line contains n space-separated integers a1, a2, ..., an (|ai| ≤ 107) - scores for Limak's rolls.
Output
Print the maximum possible total score after choosing rolls to cancel.
Examples
Input
5
-2 -8 0 5 -3
Output
13
Input
6
-10 20 -30 40 -50 60
Output
400
Note
In first sample Limak should cancel rolls with scores - 8 and - 3. Then he is left with three rolls with scores - 2, 0, 5. Total score is 1·( - 2) + 2·0 + 3·5 = 13.
In second sample Limak should cancel roll with score - 50. Total score is 1·( - 10) + 2·20 + 3·( - 30) + 4·40 + 5·60 = 400.
Submitted Solution:
```
n = int(input())
score = [int(x) for x in input().split()]
value = [0 for x in range(n)]
removed = []
for x in reversed(range(n)):
if x == n - 1:
value[x] = score[x] * (x + 1)
else:
b = removed != [] and x + 1 == removed[len(removed) - 1]
value[x] = value[x + 1] + (x + 1) * score[x] - (x + 1 + b) * score[x + 1]
if value[x] < 0:
removed.append(x)
for x in reversed(range(n)):
if removed != [] and x == removed[0]:
score = score[:x] + score[x + 1:]
removed.remove(x)
def product(a, b):
return a * b
def calcScore(score):
return sum(map(product, [x + 1 for x in range(len(score))], score))
print(calcScore(score))
``` | instruction | 0 | 28,656 | 19 | 57,312 |
No | output | 1 | 28,656 | 19 | 57,313 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Limak is an old brown bear. He often goes bowling with his friends. Today he feels really good and tries to beat his own record!
For rolling a ball one gets a score — an integer (maybe negative) number of points. Score for i-th roll is multiplied by i and scores are summed up. So, for k rolls with scores s1, s2, ..., sk, total score is <image>. Total score is 0 if there were no rolls.
Limak made n rolls and got score ai for i-th of them. He wants to maximize his total score and he came up with an interesting idea. He will cancel some rolls, saying that something distracted him or there was a strong wind.
Limak is able to cancel any number of rolls, maybe even all or none of them. Total score is calculated as if there were only non-canceled rolls. Look at the sample tests for clarification. What maximum total score can Limak get?
Input
The first line contains single integer n (1 ≤ n ≤ 105).
The second line contains n space-separated integers a1, a2, ..., an (|ai| ≤ 107) - scores for Limak's rolls.
Output
Print the maximum possible total score after choosing rolls to cancel.
Examples
Input
5
-2 -8 0 5 -3
Output
13
Input
6
-10 20 -30 40 -50 60
Output
400
Note
In first sample Limak should cancel rolls with scores - 8 and - 3. Then he is left with three rolls with scores - 2, 0, 5. Total score is 1·( - 2) + 2·0 + 3·5 = 13.
In second sample Limak should cancel roll with score - 50. Total score is 1·( - 10) + 2·20 + 3·( - 30) + 4·40 + 5·60 = 400.
Submitted Solution:
```
# !/Python34
# Copyright 2015 Tim Murphy. All rights reserved.
'''
Problem 573E
Bear and Bowling
http://codeforces.com/problemset/problem/573/E
'''
rolls = int(input())
scores = list(map(int, input().split()))
backsum = 0
for i in range(len(scores) - 1, -1, -1):
if scores[i] < 0:
if scores[i]*(i + 1) + backsum < 0:
scores.pop(i)
else:
backsum += scores[i]
else:
backsum += scores[i]
total = 0
for i in range(len(scores)):
total += scores[i]*(i + 1)
print(total)
``` | instruction | 0 | 28,657 | 19 | 57,314 |
No | output | 1 | 28,657 | 19 | 57,315 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Limak is an old brown bear. He often goes bowling with his friends. Today he feels really good and tries to beat his own record!
For rolling a ball one gets a score — an integer (maybe negative) number of points. Score for i-th roll is multiplied by i and scores are summed up. So, for k rolls with scores s1, s2, ..., sk, total score is <image>. Total score is 0 if there were no rolls.
Limak made n rolls and got score ai for i-th of them. He wants to maximize his total score and he came up with an interesting idea. He will cancel some rolls, saying that something distracted him or there was a strong wind.
Limak is able to cancel any number of rolls, maybe even all or none of them. Total score is calculated as if there were only non-canceled rolls. Look at the sample tests for clarification. What maximum total score can Limak get?
Input
The first line contains single integer n (1 ≤ n ≤ 105).
The second line contains n space-separated integers a1, a2, ..., an (|ai| ≤ 107) - scores for Limak's rolls.
Output
Print the maximum possible total score after choosing rolls to cancel.
Examples
Input
5
-2 -8 0 5 -3
Output
13
Input
6
-10 20 -30 40 -50 60
Output
400
Note
In first sample Limak should cancel rolls with scores - 8 and - 3. Then he is left with three rolls with scores - 2, 0, 5. Total score is 1·( - 2) + 2·0 + 3·5 = 13.
In second sample Limak should cancel roll with score - 50. Total score is 1·( - 10) + 2·20 + 3·( - 30) + 4·40 + 5·60 = 400.
Submitted Solution:
```
#### IMPORTANT LIBRARY ####
############################
### DO NOT USE import random --> 250ms to load the library
############################
### In case of extra libraries: https://github.com/cheran-senthil/PyRival
######################
####### IMPORT #######
######################
from functools import cmp_to_key
from collections import deque, Counter
from heapq import heappush, heappop
from math import log, ceil
######################
#### STANDARD I/O ####
######################
import sys
import os
from io import BytesIO, IOBase
BUFSIZE = 8192
class FastIO(IOBase):
newlines = 0
def __init__(self, file):
self._fd = file.fileno()
self.buffer = BytesIO()
self.writable = "x" in file.mode or "r" not in file.mode
self.write = self.buffer.write if self.writable else None
def read(self):
while True:
b = os.read(self._fd, max(os.fstat(self._fd).st_size, BUFSIZE))
if not b:
break
ptr = self.buffer.tell()
self.buffer.seek(0, 2), self.buffer.write(b), self.buffer.seek(ptr)
self.newlines = 0
return self.buffer.read()
def readline(self):
while self.newlines == 0:
b = os.read(self._fd, max(os.fstat(self._fd).st_size, BUFSIZE))
self.newlines = b.count(b"\n") + (not b)
ptr = self.buffer.tell()
self.buffer.seek(0, 2), self.buffer.write(b), self.buffer.seek(ptr)
self.newlines -= 1
return self.buffer.readline()
def flush(self):
if self.writable:
os.write(self._fd, self.buffer.getvalue())
self.buffer.truncate(0), self.buffer.seek(0)
class IOWrapper(IOBase):
def __init__(self, file):
self.buffer = FastIO(file)
self.flush = self.buffer.flush
self.writable = self.buffer.writable
self.write = lambda s: self.buffer.write(s.encode("ascii"))
self.read = lambda: self.buffer.read().decode("ascii")
self.readline = lambda: self.buffer.readline().decode("ascii")
if sys.version_info[0] < 3:
sys.stdin, sys.stdout = FastIO(sys.stdin), FastIO(sys.stdout)
else:
sys.stdin, sys.stdout = IOWrapper(sys.stdin), IOWrapper(sys.stdout)
def print(*args, **kwargs):
sep, file = kwargs.pop("sep", " "), kwargs.pop("file", sys.stdout)
at_start = True
for x in args:
if not at_start:
file.write(sep)
file.write(str(x))
at_start = False
file.write(kwargs.pop("end", "\n"))
if kwargs.pop("flush", False):
file.flush()
def inp():
return sys.stdin.readline().rstrip("\r\n") # for fast input
def ii():
return int(inp())
def si():
return str(inp())
def li(lag = 0):
l = list(map(int, inp().split()))
if lag != 0:
for i in range(len(l)):
l[i] += lag
return l
def mi(lag = 0):
matrix = list()
for i in range(n):
matrix.append(li(lag))
return matrix
def lsi(): #string list
return list(map(str, inp().split()))
def print_list(lista, space = " "):
print(space.join(map(str, lista)))
######################
### BISECT METHODS ###
######################
def bisect_left(a, x):
"""i tale che a[i] >= x e a[i-1] < x"""
left = 0
right = len(a)
while left < right:
mid = (left+right)//2
if a[mid] < x:
left = mid+1
else:
right = mid
return left
def bisect_right(a, x):
"""i tale che a[i] > x e a[i-1] <= x"""
left = 0
right = len(a)
while left < right:
mid = (left+right)//2
if a[mid] > x:
right = mid
else:
left = mid+1
return left
def bisect_elements(a, x):
"""elementi pari a x nell'árray sortato"""
return bisect_right(a, x) - bisect_left(a, x)
######################
### MOD OPERATION ####
######################
MOD = 10**9 + 7
maxN = 5
FACT = [0] * maxN
INV_FACT = [0] * maxN
def add(x, y):
return (x+y) % MOD
def multiply(x, y):
return (x*y) % MOD
def power(x, y):
if y == 0:
return 1
elif y % 2:
return multiply(x, power(x, y-1))
else:
a = power(x, y//2)
return multiply(a, a)
def inverse(x):
return power(x, MOD-2)
def divide(x, y):
return multiply(x, inverse(y))
def allFactorials():
FACT[0] = 1
for i in range(1, maxN):
FACT[i] = multiply(i, FACT[i-1])
def inverseFactorials():
n = len(INV_FACT)
INV_FACT[n-1] = inverse(FACT[n-1])
for i in range(n-2, -1, -1):
INV_FACT[i] = multiply(INV_FACT[i+1], i+1)
def coeffBinom(n, k):
if n < k:
return 0
return multiply(FACT[n], multiply(INV_FACT[k], INV_FACT[n-k]))
######################
#### GRAPH ALGOS #####
######################
# ZERO BASED GRAPH
def create_graph(n, m, undirected = 1, unweighted = 1):
graph = [[] for i in range(n)]
if unweighted:
for i in range(m):
[x, y] = li(lag = -1)
graph[x].append(y)
if undirected:
graph[y].append(x)
else:
for i in range(m):
[x, y, w] = li(lag = -1)
w += 1
graph[x].append([y,w])
if undirected:
graph[y].append([x,w])
return graph
def create_tree(n, unweighted = 1):
children = [[] for i in range(n)]
if unweighted:
for i in range(n-1):
[x, y] = li(lag = -1)
children[x].append(y)
children[y].append(x)
else:
for i in range(n-1):
[x, y, w] = li(lag = -1)
w += 1
children[x].append([y, w])
children[y].append([x, w])
return children
def dist(tree, n, A, B = -1):
s = [[A, 0]]
massimo, massimo_nodo = 0, 0
distanza = -1
v = [-1] * n
while s:
el, dis = s.pop()
if dis > massimo:
massimo = dis
massimo_nodo = el
if el == B:
distanza = dis
for child in tree[el]:
if v[child] == -1:
v[child] = 1
s.append([child, dis+1])
return massimo, massimo_nodo, distanza
def diameter(tree):
_, foglia, _ = dist(tree, n, 0)
diam, _, _ = dist(tree, n, foglia)
return diam
def dfs(graph, n, A):
v = [-1] * n
s = [[A, 0]]
v[A] = 0
while s:
el, dis = s.pop()
for child in graph[el]:
if v[child] == -1:
v[child] = dis + 1
s.append([child, dis + 1])
return v #visited: -1 if not visited, otherwise v[B] is the distance in terms of edges
def bfs(graph, n, A):
v = [-1] * n
s = deque()
s.append([A, 0])
v[A] = 0
while s:
el, dis = s.popleft()
for child in graph[el]:
if v[child] == -1:
v[child] = dis + 1
s.append([child, dis + 1])
return v #visited: -1 if not visited, otherwise v[B] is the distance in terms of edges
#FROM A GIVEN ROOT, RECOVER THE STRUCTURE
def parents_children_root_unrooted_tree(tree, n, root = 0):
q = deque()
visited = [0] * n
parent = [-1] * n
children = [[] for i in range(n)]
q.append(root)
while q:
all_done = 1
visited[q[0]] = 1
for child in tree[q[0]]:
if not visited[child]:
all_done = 0
q.appendleft(child)
if all_done:
for child in tree[q[0]]:
if parent[child] == -1:
parent[q[0]] = child
children[child].append(q[0])
q.popleft()
return parent, children
# CALCULATING LONGEST PATH FOR ALL THE NODES
def all_longest_path_passing_from_node(parent, children, n):
q = deque()
visited = [len(children[i]) for i in range(n)]
downwards = [[0,0] for i in range(n)]
upward = [1] * n
longest_path = [1] * n
for i in range(n):
if not visited[i]:
q.append(i)
downwards[i] = [1,0]
while q:
node = q.popleft()
if parent[node] != -1:
visited[parent[node]] -= 1
if not visited[parent[node]]:
q.append(parent[node])
else:
root = node
for child in children[node]:
downwards[node] = sorted([downwards[node][0], downwards[node][1], downwards[child][0] + 1], reverse = True)[0:2]
s = [node]
while s:
node = s.pop()
if parent[node] != -1:
if downwards[parent[node]][0] == downwards[node][0] + 1:
upward[node] = 1 + max(upward[parent[node]], downwards[parent[node]][1])
else:
upward[node] = 1 + max(upward[parent[node]], downwards[parent[node]][0])
longest_path[node] = downwards[node][0] + downwards[node][1] + upward[node] - min([downwards[node][0], downwards[node][1], upward[node]]) - 1
for child in children[node]:
s.append(child)
return longest_path
### TBD SUCCESSOR GRAPH 7.5
### TBD TREE QUERIES 10.2 da 2 a 4
### TBD ADVANCED TREE 10.3
### TBD GRAPHS AND MATRICES 11.3.3 e 11.4.3 e 11.5.3 (ON GAMES)
######################
## END OF LIBRARIES ##
######################
n = ii()
a = li()
S = [0]
for i in range(n):
S.append(S[-1] + a[i])
massimo = 0
right = n-1
current = 0
left = n-1
while left > -1:
if current >= 0:
current += S[right + 1] - S[left]
massimo = max(current, massimo)
left -= 1
else:
right = left
current = 0
print(massimo)
``` | instruction | 0 | 28,658 | 19 | 57,316 |
No | output | 1 | 28,658 | 19 | 57,317 |
Provide a correct Python 3 solution for this coding contest problem.
Takahashi has many red balls and blue balls. Now, he will place them in a row.
Initially, there is no ball placed.
Takahashi, who is very patient, will do the following operation 10^{100} times:
* Place A blue balls at the end of the row of balls already placed. Then, place B red balls at the end of the row.
How many blue balls will be there among the first N balls in the row of balls made this way?
Constraints
* 1 \leq N \leq 10^{18}
* A, B \geq 0
* 0 < A + B \leq 10^{18}
* All values in input are integers.
Input
Input is given from Standard Input in the following format:
N A B
Output
Print the number of blue balls that will be there among the first N balls in the row of balls.
Examples
Input
8 3 4
Output
4
Input
8 0 4
Output
0
Input
6 2 4
Output
2 | instruction | 0 | 28,862 | 19 | 57,724 |
"Correct Solution:
```
n,a,b=map(int,input().split())
k=n%(a+b)
if k>=a:k=a
print(n//(a+b)*a+k)
``` | output | 1 | 28,862 | 19 | 57,725 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Sereja showed an interesting game to his friends. The game goes like that. Initially, there is a table with an empty cup and n water mugs on it. Then all players take turns to move. During a move, a player takes a non-empty mug of water and pours all water from it into the cup. If the cup overfills, then we assume that this player lost.
As soon as Sereja's friends heard of the game, they wanted to play it. Sereja, on the other hand, wanted to find out whether his friends can play the game in such a way that there are no losers. You are given the volumes of all mugs and the cup. Also, you know that Sereja has (n - 1) friends. Determine if Sereja's friends can play the game so that nobody loses.
Input
The first line contains integers n and s (2 ≤ n ≤ 100; 1 ≤ s ≤ 1000) — the number of mugs and the volume of the cup. The next line contains n integers a1, a2, ..., an (1 ≤ ai ≤ 10). Number ai means the volume of the i-th mug.
Output
In a single line, print "YES" (without the quotes) if his friends can play in the described manner, and "NO" (without the quotes) otherwise.
Examples
Input
3 4
1 1 1
Output
YES
Input
3 4
3 1 3
Output
YES
Input
3 4
4 4 4
Output
NO | instruction | 0 | 29,491 | 19 | 58,982 |
Tags: implementation
Correct Solution:
```
data = input().rstrip().split()
n = int(data[0])
s = int(data[1])
su = 0
ma = 0
data = input().rstrip().split()
for i in range(n):
a = int(data[i])
su += a
if ma < a:
ma = a
su -= ma
print('YES' if su <= s else 'NO')
``` | output | 1 | 29,491 | 19 | 58,983 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Sereja showed an interesting game to his friends. The game goes like that. Initially, there is a table with an empty cup and n water mugs on it. Then all players take turns to move. During a move, a player takes a non-empty mug of water and pours all water from it into the cup. If the cup overfills, then we assume that this player lost.
As soon as Sereja's friends heard of the game, they wanted to play it. Sereja, on the other hand, wanted to find out whether his friends can play the game in such a way that there are no losers. You are given the volumes of all mugs and the cup. Also, you know that Sereja has (n - 1) friends. Determine if Sereja's friends can play the game so that nobody loses.
Input
The first line contains integers n and s (2 ≤ n ≤ 100; 1 ≤ s ≤ 1000) — the number of mugs and the volume of the cup. The next line contains n integers a1, a2, ..., an (1 ≤ ai ≤ 10). Number ai means the volume of the i-th mug.
Output
In a single line, print "YES" (without the quotes) if his friends can play in the described manner, and "NO" (without the quotes) otherwise.
Examples
Input
3 4
1 1 1
Output
YES
Input
3 4
3 1 3
Output
YES
Input
3 4
4 4 4
Output
NO | instruction | 0 | 29,492 | 19 | 58,984 |
Tags: implementation
Correct Solution:
```
o=0
n,s=map(int,input().split())
a=[int(i) for i in input().split()]
a=sorted(a)
for i in range(0,n-1):
o+=a[i]
if o>s:
print('NO')
else:
print('YES')
``` | output | 1 | 29,492 | 19 | 58,985 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Sereja showed an interesting game to his friends. The game goes like that. Initially, there is a table with an empty cup and n water mugs on it. Then all players take turns to move. During a move, a player takes a non-empty mug of water and pours all water from it into the cup. If the cup overfills, then we assume that this player lost.
As soon as Sereja's friends heard of the game, they wanted to play it. Sereja, on the other hand, wanted to find out whether his friends can play the game in such a way that there are no losers. You are given the volumes of all mugs and the cup. Also, you know that Sereja has (n - 1) friends. Determine if Sereja's friends can play the game so that nobody loses.
Input
The first line contains integers n and s (2 ≤ n ≤ 100; 1 ≤ s ≤ 1000) — the number of mugs and the volume of the cup. The next line contains n integers a1, a2, ..., an (1 ≤ ai ≤ 10). Number ai means the volume of the i-th mug.
Output
In a single line, print "YES" (without the quotes) if his friends can play in the described manner, and "NO" (without the quotes) otherwise.
Examples
Input
3 4
1 1 1
Output
YES
Input
3 4
3 1 3
Output
YES
Input
3 4
4 4 4
Output
NO | instruction | 0 | 29,493 | 19 | 58,986 |
Tags: implementation
Correct Solution:
```
"""
instagram : essipoortahmasb2018
telegram channel : essi_python
"""
n,s=map(int,input().split())
l=[*map(int,input().split())]
if sum(l)-max(l)<=s:
print("YES")
else:
print("NO")
``` | output | 1 | 29,493 | 19 | 58,987 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Sereja showed an interesting game to his friends. The game goes like that. Initially, there is a table with an empty cup and n water mugs on it. Then all players take turns to move. During a move, a player takes a non-empty mug of water and pours all water from it into the cup. If the cup overfills, then we assume that this player lost.
As soon as Sereja's friends heard of the game, they wanted to play it. Sereja, on the other hand, wanted to find out whether his friends can play the game in such a way that there are no losers. You are given the volumes of all mugs and the cup. Also, you know that Sereja has (n - 1) friends. Determine if Sereja's friends can play the game so that nobody loses.
Input
The first line contains integers n and s (2 ≤ n ≤ 100; 1 ≤ s ≤ 1000) — the number of mugs and the volume of the cup. The next line contains n integers a1, a2, ..., an (1 ≤ ai ≤ 10). Number ai means the volume of the i-th mug.
Output
In a single line, print "YES" (without the quotes) if his friends can play in the described manner, and "NO" (without the quotes) otherwise.
Examples
Input
3 4
1 1 1
Output
YES
Input
3 4
3 1 3
Output
YES
Input
3 4
4 4 4
Output
NO | instruction | 0 | 29,494 | 19 | 58,988 |
Tags: implementation
Correct Solution:
```
n, s = map(int, input().split())
a = list(map(int, input().split()))
a.sort()
if sum(a[:n-1]) > s:
print("NO")
else:
print("YES")
``` | output | 1 | 29,494 | 19 | 58,989 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Sereja showed an interesting game to his friends. The game goes like that. Initially, there is a table with an empty cup and n water mugs on it. Then all players take turns to move. During a move, a player takes a non-empty mug of water and pours all water from it into the cup. If the cup overfills, then we assume that this player lost.
As soon as Sereja's friends heard of the game, they wanted to play it. Sereja, on the other hand, wanted to find out whether his friends can play the game in such a way that there are no losers. You are given the volumes of all mugs and the cup. Also, you know that Sereja has (n - 1) friends. Determine if Sereja's friends can play the game so that nobody loses.
Input
The first line contains integers n and s (2 ≤ n ≤ 100; 1 ≤ s ≤ 1000) — the number of mugs and the volume of the cup. The next line contains n integers a1, a2, ..., an (1 ≤ ai ≤ 10). Number ai means the volume of the i-th mug.
Output
In a single line, print "YES" (without the quotes) if his friends can play in the described manner, and "NO" (without the quotes) otherwise.
Examples
Input
3 4
1 1 1
Output
YES
Input
3 4
3 1 3
Output
YES
Input
3 4
4 4 4
Output
NO | instruction | 0 | 29,495 | 19 | 58,990 |
Tags: implementation
Correct Solution:
```
import math
n,m=map(int,input().split())
ara=list(map(int,input().split()))
sum=0
mx=0
for i in range(n):
sum+=ara[i]
mx=max(mx,ara[i])
sum-=mx
print('YES' if sum<=m else 'NO')
``` | output | 1 | 29,495 | 19 | 58,991 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Sereja showed an interesting game to his friends. The game goes like that. Initially, there is a table with an empty cup and n water mugs on it. Then all players take turns to move. During a move, a player takes a non-empty mug of water and pours all water from it into the cup. If the cup overfills, then we assume that this player lost.
As soon as Sereja's friends heard of the game, they wanted to play it. Sereja, on the other hand, wanted to find out whether his friends can play the game in such a way that there are no losers. You are given the volumes of all mugs and the cup. Also, you know that Sereja has (n - 1) friends. Determine if Sereja's friends can play the game so that nobody loses.
Input
The first line contains integers n and s (2 ≤ n ≤ 100; 1 ≤ s ≤ 1000) — the number of mugs and the volume of the cup. The next line contains n integers a1, a2, ..., an (1 ≤ ai ≤ 10). Number ai means the volume of the i-th mug.
Output
In a single line, print "YES" (without the quotes) if his friends can play in the described manner, and "NO" (without the quotes) otherwise.
Examples
Input
3 4
1 1 1
Output
YES
Input
3 4
3 1 3
Output
YES
Input
3 4
4 4 4
Output
NO | instruction | 0 | 29,496 | 19 | 58,992 |
Tags: implementation
Correct Solution:
```
n,m=map(int,input().split())
l=[]
a=(list(map(int,input().split())))
a.sort()
for i in range(n-1):
l.append(a[i])
if sum(l)<=m:
print("YES")
else:
print("NO")
``` | output | 1 | 29,496 | 19 | 58,993 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Sereja showed an interesting game to his friends. The game goes like that. Initially, there is a table with an empty cup and n water mugs on it. Then all players take turns to move. During a move, a player takes a non-empty mug of water and pours all water from it into the cup. If the cup overfills, then we assume that this player lost.
As soon as Sereja's friends heard of the game, they wanted to play it. Sereja, on the other hand, wanted to find out whether his friends can play the game in such a way that there are no losers. You are given the volumes of all mugs and the cup. Also, you know that Sereja has (n - 1) friends. Determine if Sereja's friends can play the game so that nobody loses.
Input
The first line contains integers n and s (2 ≤ n ≤ 100; 1 ≤ s ≤ 1000) — the number of mugs and the volume of the cup. The next line contains n integers a1, a2, ..., an (1 ≤ ai ≤ 10). Number ai means the volume of the i-th mug.
Output
In a single line, print "YES" (without the quotes) if his friends can play in the described manner, and "NO" (without the quotes) otherwise.
Examples
Input
3 4
1 1 1
Output
YES
Input
3 4
3 1 3
Output
YES
Input
3 4
4 4 4
Output
NO | instruction | 0 | 29,497 | 19 | 58,994 |
Tags: implementation
Correct Solution:
```
q=lambda:map(int,input().split())
qi=lambda:int(input())
qs=lambda:input().split()
n,m=q()
print("YES" if sum(sorted([*q()])[:-1])<=m else "NO")
``` | output | 1 | 29,497 | 19 | 58,995 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Sereja showed an interesting game to his friends. The game goes like that. Initially, there is a table with an empty cup and n water mugs on it. Then all players take turns to move. During a move, a player takes a non-empty mug of water and pours all water from it into the cup. If the cup overfills, then we assume that this player lost.
As soon as Sereja's friends heard of the game, they wanted to play it. Sereja, on the other hand, wanted to find out whether his friends can play the game in such a way that there are no losers. You are given the volumes of all mugs and the cup. Also, you know that Sereja has (n - 1) friends. Determine if Sereja's friends can play the game so that nobody loses.
Input
The first line contains integers n and s (2 ≤ n ≤ 100; 1 ≤ s ≤ 1000) — the number of mugs and the volume of the cup. The next line contains n integers a1, a2, ..., an (1 ≤ ai ≤ 10). Number ai means the volume of the i-th mug.
Output
In a single line, print "YES" (without the quotes) if his friends can play in the described manner, and "NO" (without the quotes) otherwise.
Examples
Input
3 4
1 1 1
Output
YES
Input
3 4
3 1 3
Output
YES
Input
3 4
4 4 4
Output
NO | instruction | 0 | 29,498 | 19 | 58,996 |
Tags: implementation
Correct Solution:
```
a,b=map(int,input().split())
l=list(map(int,input().split()))
l.sort()
if sum(l[:a-1])<=b:print("YES")
else:print("NO")
``` | output | 1 | 29,498 | 19 | 58,997 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Sereja showed an interesting game to his friends. The game goes like that. Initially, there is a table with an empty cup and n water mugs on it. Then all players take turns to move. During a move, a player takes a non-empty mug of water and pours all water from it into the cup. If the cup overfills, then we assume that this player lost.
As soon as Sereja's friends heard of the game, they wanted to play it. Sereja, on the other hand, wanted to find out whether his friends can play the game in such a way that there are no losers. You are given the volumes of all mugs and the cup. Also, you know that Sereja has (n - 1) friends. Determine if Sereja's friends can play the game so that nobody loses.
Input
The first line contains integers n and s (2 ≤ n ≤ 100; 1 ≤ s ≤ 1000) — the number of mugs and the volume of the cup. The next line contains n integers a1, a2, ..., an (1 ≤ ai ≤ 10). Number ai means the volume of the i-th mug.
Output
In a single line, print "YES" (without the quotes) if his friends can play in the described manner, and "NO" (without the quotes) otherwise.
Examples
Input
3 4
1 1 1
Output
YES
Input
3 4
3 1 3
Output
YES
Input
3 4
4 4 4
Output
NO
Submitted Solution:
```
import sys
from math import *
readints=lambda:map(int, input().strip('\n').split())
n,m=readints()
a=list(readints())
a.sort()
a.pop()
if not a or sum(a)<=m:
print("YES")
else:
print("NO")
``` | instruction | 0 | 29,499 | 19 | 58,998 |
Yes | output | 1 | 29,499 | 19 | 58,999 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Sereja showed an interesting game to his friends. The game goes like that. Initially, there is a table with an empty cup and n water mugs on it. Then all players take turns to move. During a move, a player takes a non-empty mug of water and pours all water from it into the cup. If the cup overfills, then we assume that this player lost.
As soon as Sereja's friends heard of the game, they wanted to play it. Sereja, on the other hand, wanted to find out whether his friends can play the game in such a way that there are no losers. You are given the volumes of all mugs and the cup. Also, you know that Sereja has (n - 1) friends. Determine if Sereja's friends can play the game so that nobody loses.
Input
The first line contains integers n and s (2 ≤ n ≤ 100; 1 ≤ s ≤ 1000) — the number of mugs and the volume of the cup. The next line contains n integers a1, a2, ..., an (1 ≤ ai ≤ 10). Number ai means the volume of the i-th mug.
Output
In a single line, print "YES" (without the quotes) if his friends can play in the described manner, and "NO" (without the quotes) otherwise.
Examples
Input
3 4
1 1 1
Output
YES
Input
3 4
3 1 3
Output
YES
Input
3 4
4 4 4
Output
NO
Submitted Solution:
```
def main():
n,m = [int(v) for v in input().split()]
vals = [int(v) for v in input().split()]
d = sum(vals)-max(vals)
if d<=m:
print("YES")
else:
print("NO")
if __name__ == "__main__":
main()
``` | instruction | 0 | 29,500 | 19 | 59,000 |
Yes | output | 1 | 29,500 | 19 | 59,001 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Sereja showed an interesting game to his friends. The game goes like that. Initially, there is a table with an empty cup and n water mugs on it. Then all players take turns to move. During a move, a player takes a non-empty mug of water and pours all water from it into the cup. If the cup overfills, then we assume that this player lost.
As soon as Sereja's friends heard of the game, they wanted to play it. Sereja, on the other hand, wanted to find out whether his friends can play the game in such a way that there are no losers. You are given the volumes of all mugs and the cup. Also, you know that Sereja has (n - 1) friends. Determine if Sereja's friends can play the game so that nobody loses.
Input
The first line contains integers n and s (2 ≤ n ≤ 100; 1 ≤ s ≤ 1000) — the number of mugs and the volume of the cup. The next line contains n integers a1, a2, ..., an (1 ≤ ai ≤ 10). Number ai means the volume of the i-th mug.
Output
In a single line, print "YES" (without the quotes) if his friends can play in the described manner, and "NO" (without the quotes) otherwise.
Examples
Input
3 4
1 1 1
Output
YES
Input
3 4
3 1 3
Output
YES
Input
3 4
4 4 4
Output
NO
Submitted Solution:
```
n,s = map(int,input().split())
a = map(int,input().split())
s_a=sorted(a)
t=0
for i in range(n-1):
t+=s_a[i]
print('YES' if t<=s else 'NO')
``` | instruction | 0 | 29,501 | 19 | 59,002 |
Yes | output | 1 | 29,501 | 19 | 59,003 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Sereja showed an interesting game to his friends. The game goes like that. Initially, there is a table with an empty cup and n water mugs on it. Then all players take turns to move. During a move, a player takes a non-empty mug of water and pours all water from it into the cup. If the cup overfills, then we assume that this player lost.
As soon as Sereja's friends heard of the game, they wanted to play it. Sereja, on the other hand, wanted to find out whether his friends can play the game in such a way that there are no losers. You are given the volumes of all mugs and the cup. Also, you know that Sereja has (n - 1) friends. Determine if Sereja's friends can play the game so that nobody loses.
Input
The first line contains integers n and s (2 ≤ n ≤ 100; 1 ≤ s ≤ 1000) — the number of mugs and the volume of the cup. The next line contains n integers a1, a2, ..., an (1 ≤ ai ≤ 10). Number ai means the volume of the i-th mug.
Output
In a single line, print "YES" (without the quotes) if his friends can play in the described manner, and "NO" (without the quotes) otherwise.
Examples
Input
3 4
1 1 1
Output
YES
Input
3 4
3 1 3
Output
YES
Input
3 4
4 4 4
Output
NO
Submitted Solution:
```
N , V = map(int, input().split())
chars = [int(x) for x in input().split()]
count = 0
chars.sort()
yo = 0
for i in range(0, len(chars)-1):
yo = yo + chars[i]
if yo <= V:
print ("YES")
else:
print ("NO")
``` | instruction | 0 | 29,502 | 19 | 59,004 |
Yes | output | 1 | 29,502 | 19 | 59,005 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Sereja showed an interesting game to his friends. The game goes like that. Initially, there is a table with an empty cup and n water mugs on it. Then all players take turns to move. During a move, a player takes a non-empty mug of water and pours all water from it into the cup. If the cup overfills, then we assume that this player lost.
As soon as Sereja's friends heard of the game, they wanted to play it. Sereja, on the other hand, wanted to find out whether his friends can play the game in such a way that there are no losers. You are given the volumes of all mugs and the cup. Also, you know that Sereja has (n - 1) friends. Determine if Sereja's friends can play the game so that nobody loses.
Input
The first line contains integers n and s (2 ≤ n ≤ 100; 1 ≤ s ≤ 1000) — the number of mugs and the volume of the cup. The next line contains n integers a1, a2, ..., an (1 ≤ ai ≤ 10). Number ai means the volume of the i-th mug.
Output
In a single line, print "YES" (without the quotes) if his friends can play in the described manner, and "NO" (without the quotes) otherwise.
Examples
Input
3 4
1 1 1
Output
YES
Input
3 4
3 1 3
Output
YES
Input
3 4
4 4 4
Output
NO
Submitted Solution:
```
n,m=map(int,input().split())
a=list(map(int,input().split()))
for i in range(n):
if a[i]>=m:
print("NO")
break
else:
print("YES")
``` | instruction | 0 | 29,503 | 19 | 59,006 |
No | output | 1 | 29,503 | 19 | 59,007 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Sereja showed an interesting game to his friends. The game goes like that. Initially, there is a table with an empty cup and n water mugs on it. Then all players take turns to move. During a move, a player takes a non-empty mug of water and pours all water from it into the cup. If the cup overfills, then we assume that this player lost.
As soon as Sereja's friends heard of the game, they wanted to play it. Sereja, on the other hand, wanted to find out whether his friends can play the game in such a way that there are no losers. You are given the volumes of all mugs and the cup. Also, you know that Sereja has (n - 1) friends. Determine if Sereja's friends can play the game so that nobody loses.
Input
The first line contains integers n and s (2 ≤ n ≤ 100; 1 ≤ s ≤ 1000) — the number of mugs and the volume of the cup. The next line contains n integers a1, a2, ..., an (1 ≤ ai ≤ 10). Number ai means the volume of the i-th mug.
Output
In a single line, print "YES" (without the quotes) if his friends can play in the described manner, and "NO" (without the quotes) otherwise.
Examples
Input
3 4
1 1 1
Output
YES
Input
3 4
3 1 3
Output
YES
Input
3 4
4 4 4
Output
NO
Submitted Solution:
```
n, k = map(int , input().split())
l = list(map(int , input().split()))
print(['NO','YES'][sum(i < k for i in l ) == n])
``` | instruction | 0 | 29,504 | 19 | 59,008 |
No | output | 1 | 29,504 | 19 | 59,009 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Sereja showed an interesting game to his friends. The game goes like that. Initially, there is a table with an empty cup and n water mugs on it. Then all players take turns to move. During a move, a player takes a non-empty mug of water and pours all water from it into the cup. If the cup overfills, then we assume that this player lost.
As soon as Sereja's friends heard of the game, they wanted to play it. Sereja, on the other hand, wanted to find out whether his friends can play the game in such a way that there are no losers. You are given the volumes of all mugs and the cup. Also, you know that Sereja has (n - 1) friends. Determine if Sereja's friends can play the game so that nobody loses.
Input
The first line contains integers n and s (2 ≤ n ≤ 100; 1 ≤ s ≤ 1000) — the number of mugs and the volume of the cup. The next line contains n integers a1, a2, ..., an (1 ≤ ai ≤ 10). Number ai means the volume of the i-th mug.
Output
In a single line, print "YES" (without the quotes) if his friends can play in the described manner, and "NO" (without the quotes) otherwise.
Examples
Input
3 4
1 1 1
Output
YES
Input
3 4
3 1 3
Output
YES
Input
3 4
4 4 4
Output
NO
Submitted Solution:
```
n, s = map(int, input().split())
t = list(map(int, input().split()))
if sum(t[:n - 1]) <= s:
print("YES")
else:
print("NO")
``` | instruction | 0 | 29,505 | 19 | 59,010 |
No | output | 1 | 29,505 | 19 | 59,011 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Sereja showed an interesting game to his friends. The game goes like that. Initially, there is a table with an empty cup and n water mugs on it. Then all players take turns to move. During a move, a player takes a non-empty mug of water and pours all water from it into the cup. If the cup overfills, then we assume that this player lost.
As soon as Sereja's friends heard of the game, they wanted to play it. Sereja, on the other hand, wanted to find out whether his friends can play the game in such a way that there are no losers. You are given the volumes of all mugs and the cup. Also, you know that Sereja has (n - 1) friends. Determine if Sereja's friends can play the game so that nobody loses.
Input
The first line contains integers n and s (2 ≤ n ≤ 100; 1 ≤ s ≤ 1000) — the number of mugs and the volume of the cup. The next line contains n integers a1, a2, ..., an (1 ≤ ai ≤ 10). Number ai means the volume of the i-th mug.
Output
In a single line, print "YES" (without the quotes) if his friends can play in the described manner, and "NO" (without the quotes) otherwise.
Examples
Input
3 4
1 1 1
Output
YES
Input
3 4
3 1 3
Output
YES
Input
3 4
4 4 4
Output
NO
Submitted Solution:
```
n,s=map(int,input().split())
a=list(map(int,input().strip().split()))[:n]
ans=""
for i in range(0,n):
if a[i]>=s:
ans="NO"
else:
ans="YES"
print(ans)
``` | instruction | 0 | 29,506 | 19 | 59,012 |
No | output | 1 | 29,506 | 19 | 59,013 |
Provide tags and a correct Python 3 solution for this coding contest problem.
PolandBall is playing a game with EnemyBall. The rules are simple. Players have to say words in turns. You cannot say a word which was already said. PolandBall starts. The Ball which can't say a new word loses.
You're given two lists of words familiar to PolandBall and EnemyBall. Can you determine who wins the game, if both play optimally?
Input
The first input line contains two integers n and m (1 ≤ n, m ≤ 103) — number of words PolandBall and EnemyBall know, respectively.
Then n strings follow, one per line — words familiar to PolandBall.
Then m strings follow, one per line — words familiar to EnemyBall.
Note that one Ball cannot know a word more than once (strings are unique), but some words can be known by both players.
Each word is non-empty and consists of no more than 500 lowercase English alphabet letters.
Output
In a single line of print the answer — "YES" if PolandBall wins and "NO" otherwise. Both Balls play optimally.
Examples
Input
5 1
polandball
is
a
cool
character
nope
Output
YES
Input
2 2
kremowka
wadowicka
kremowka
wiedenska
Output
YES
Input
1 2
a
a
b
Output
NO
Note
In the first example PolandBall knows much more words and wins effortlessly.
In the second example if PolandBall says kremowka first, then EnemyBall cannot use that word anymore. EnemyBall can only say wiedenska. PolandBall says wadowicka and wins. | instruction | 0 | 29,611 | 19 | 59,222 |
Tags: binary search, data structures, games, greedy, sortings, strings
Correct Solution:
```
data = input().split(' ')
n, m = map(int, data)
p_set = set()
v_set = set()
for _ in range(n):
p_set.add(input())
for _ in range(m):
v_set.add(input())
u_set = p_set & v_set
if n + len(u_set) % 2 <= m:
print('NO')
else:
print('YES')
``` | output | 1 | 29,611 | 19 | 59,223 |
Provide tags and a correct Python 3 solution for this coding contest problem.
PolandBall is playing a game with EnemyBall. The rules are simple. Players have to say words in turns. You cannot say a word which was already said. PolandBall starts. The Ball which can't say a new word loses.
You're given two lists of words familiar to PolandBall and EnemyBall. Can you determine who wins the game, if both play optimally?
Input
The first input line contains two integers n and m (1 ≤ n, m ≤ 103) — number of words PolandBall and EnemyBall know, respectively.
Then n strings follow, one per line — words familiar to PolandBall.
Then m strings follow, one per line — words familiar to EnemyBall.
Note that one Ball cannot know a word more than once (strings are unique), but some words can be known by both players.
Each word is non-empty and consists of no more than 500 lowercase English alphabet letters.
Output
In a single line of print the answer — "YES" if PolandBall wins and "NO" otherwise. Both Balls play optimally.
Examples
Input
5 1
polandball
is
a
cool
character
nope
Output
YES
Input
2 2
kremowka
wadowicka
kremowka
wiedenska
Output
YES
Input
1 2
a
a
b
Output
NO
Note
In the first example PolandBall knows much more words and wins effortlessly.
In the second example if PolandBall says kremowka first, then EnemyBall cannot use that word anymore. EnemyBall can only say wiedenska. PolandBall says wadowicka and wins. | instruction | 0 | 29,612 | 19 | 59,224 |
Tags: binary search, data structures, games, greedy, sortings, strings
Correct Solution:
```
from collections import defaultdict
n, m = map(int, input().split())
g, b = [], []
sim = 0
in_g, in_b = defaultdict(lambda: False), defaultdict(lambda: False)
for i in range(n):
g.append(input())
in_g[g[i]] = True
for j in range(m):
b.append(input())
if in_g[b[j]]:
sim += 1
if n > m:
print("YES")
elif m > n:
print("NO")
else:
if sim % 2 == 0:
print('NO')
else:
print('YES')
``` | output | 1 | 29,612 | 19 | 59,225 |
Provide tags and a correct Python 3 solution for this coding contest problem.
PolandBall is playing a game with EnemyBall. The rules are simple. Players have to say words in turns. You cannot say a word which was already said. PolandBall starts. The Ball which can't say a new word loses.
You're given two lists of words familiar to PolandBall and EnemyBall. Can you determine who wins the game, if both play optimally?
Input
The first input line contains two integers n and m (1 ≤ n, m ≤ 103) — number of words PolandBall and EnemyBall know, respectively.
Then n strings follow, one per line — words familiar to PolandBall.
Then m strings follow, one per line — words familiar to EnemyBall.
Note that one Ball cannot know a word more than once (strings are unique), but some words can be known by both players.
Each word is non-empty and consists of no more than 500 lowercase English alphabet letters.
Output
In a single line of print the answer — "YES" if PolandBall wins and "NO" otherwise. Both Balls play optimally.
Examples
Input
5 1
polandball
is
a
cool
character
nope
Output
YES
Input
2 2
kremowka
wadowicka
kremowka
wiedenska
Output
YES
Input
1 2
a
a
b
Output
NO
Note
In the first example PolandBall knows much more words and wins effortlessly.
In the second example if PolandBall says kremowka first, then EnemyBall cannot use that word anymore. EnemyBall can only say wiedenska. PolandBall says wadowicka and wins. | instruction | 0 | 29,613 | 19 | 59,226 |
Tags: binary search, data structures, games, greedy, sortings, strings
Correct Solution:
```
k = input().split()
n, m = int(k[0]), int(k[1])
s = set()
for i in range(n) :
x = input()
s.add(x)
for i in range(m) :
x = input()
s.add(x)
l = len(s)
if(l % 2 == 0) :
if(n > m) :
print("YES")
else :
print("NO")
else :
if(n < m) :
print("NO")
else :
print("YES")
``` | output | 1 | 29,613 | 19 | 59,227 |
Provide tags and a correct Python 3 solution for this coding contest problem.
PolandBall is playing a game with EnemyBall. The rules are simple. Players have to say words in turns. You cannot say a word which was already said. PolandBall starts. The Ball which can't say a new word loses.
You're given two lists of words familiar to PolandBall and EnemyBall. Can you determine who wins the game, if both play optimally?
Input
The first input line contains two integers n and m (1 ≤ n, m ≤ 103) — number of words PolandBall and EnemyBall know, respectively.
Then n strings follow, one per line — words familiar to PolandBall.
Then m strings follow, one per line — words familiar to EnemyBall.
Note that one Ball cannot know a word more than once (strings are unique), but some words can be known by both players.
Each word is non-empty and consists of no more than 500 lowercase English alphabet letters.
Output
In a single line of print the answer — "YES" if PolandBall wins and "NO" otherwise. Both Balls play optimally.
Examples
Input
5 1
polandball
is
a
cool
character
nope
Output
YES
Input
2 2
kremowka
wadowicka
kremowka
wiedenska
Output
YES
Input
1 2
a
a
b
Output
NO
Note
In the first example PolandBall knows much more words and wins effortlessly.
In the second example if PolandBall says kremowka first, then EnemyBall cannot use that word anymore. EnemyBall can only say wiedenska. PolandBall says wadowicka and wins. | instruction | 0 | 29,614 | 19 | 59,228 |
Tags: binary search, data structures, games, greedy, sortings, strings
Correct Solution:
```
n, m = map(int, input().split())
a = set()
ama, amb, am2 = n, m, 0
for i in range(n):
a.add(input())
for i in range(m):
s = input()
if s in a:
ama -= 1
amb -= 1
am2 += 1
xtr = am2 % 2
if ama + xtr > amb:
print("YES")
else:
print("NO")
``` | output | 1 | 29,614 | 19 | 59,229 |
Provide tags and a correct Python 3 solution for this coding contest problem.
PolandBall is playing a game with EnemyBall. The rules are simple. Players have to say words in turns. You cannot say a word which was already said. PolandBall starts. The Ball which can't say a new word loses.
You're given two lists of words familiar to PolandBall and EnemyBall. Can you determine who wins the game, if both play optimally?
Input
The first input line contains two integers n and m (1 ≤ n, m ≤ 103) — number of words PolandBall and EnemyBall know, respectively.
Then n strings follow, one per line — words familiar to PolandBall.
Then m strings follow, one per line — words familiar to EnemyBall.
Note that one Ball cannot know a word more than once (strings are unique), but some words can be known by both players.
Each word is non-empty and consists of no more than 500 lowercase English alphabet letters.
Output
In a single line of print the answer — "YES" if PolandBall wins and "NO" otherwise. Both Balls play optimally.
Examples
Input
5 1
polandball
is
a
cool
character
nope
Output
YES
Input
2 2
kremowka
wadowicka
kremowka
wiedenska
Output
YES
Input
1 2
a
a
b
Output
NO
Note
In the first example PolandBall knows much more words and wins effortlessly.
In the second example if PolandBall says kremowka first, then EnemyBall cannot use that word anymore. EnemyBall can only say wiedenska. PolandBall says wadowicka and wins. | instruction | 0 | 29,615 | 19 | 59,230 |
Tags: binary search, data structures, games, greedy, sortings, strings
Correct Solution:
```
if __name__ == '__main__':
n, m = map(int, input().split())
poland,empty = {},{}
for _ in range(n):
st = str(input())
poland[st] = 1
for _ in range(m):
st = str(input())
empty[st] = 1
turn = 1
common_count = 0
for i in poland:
if empty.get(i) != None:
common_count += 1
n = n - common_count
m = m - common_count
if common_count % 2 == 0:
turn = 1
else:
turn = 2
if turn == 1:
if n > m:
print("YES")
else:
print("NO")
else:
if m > n:
print("NO")
else:
print("YES")
``` | output | 1 | 29,615 | 19 | 59,231 |
Provide tags and a correct Python 3 solution for this coding contest problem.
PolandBall is playing a game with EnemyBall. The rules are simple. Players have to say words in turns. You cannot say a word which was already said. PolandBall starts. The Ball which can't say a new word loses.
You're given two lists of words familiar to PolandBall and EnemyBall. Can you determine who wins the game, if both play optimally?
Input
The first input line contains two integers n and m (1 ≤ n, m ≤ 103) — number of words PolandBall and EnemyBall know, respectively.
Then n strings follow, one per line — words familiar to PolandBall.
Then m strings follow, one per line — words familiar to EnemyBall.
Note that one Ball cannot know a word more than once (strings are unique), but some words can be known by both players.
Each word is non-empty and consists of no more than 500 lowercase English alphabet letters.
Output
In a single line of print the answer — "YES" if PolandBall wins and "NO" otherwise. Both Balls play optimally.
Examples
Input
5 1
polandball
is
a
cool
character
nope
Output
YES
Input
2 2
kremowka
wadowicka
kremowka
wiedenska
Output
YES
Input
1 2
a
a
b
Output
NO
Note
In the first example PolandBall knows much more words and wins effortlessly.
In the second example if PolandBall says kremowka first, then EnemyBall cannot use that word anymore. EnemyBall can only say wiedenska. PolandBall says wadowicka and wins. | instruction | 0 | 29,616 | 19 | 59,232 |
Tags: binary search, data structures, games, greedy, sortings, strings
Correct Solution:
```
n,m=[int(i) for i in input().split()]
p,e=set([]),set([])
for i in range(n):
p.add(input())
for i in range(m):
e.add(input())
tyo=p&e
n-=len(tyo)
m-=len(tyo)
if n+len(tyo)%2>m:
print('YES')
else:
print('NO')
``` | output | 1 | 29,616 | 19 | 59,233 |
Provide tags and a correct Python 3 solution for this coding contest problem.
PolandBall is playing a game with EnemyBall. The rules are simple. Players have to say words in turns. You cannot say a word which was already said. PolandBall starts. The Ball which can't say a new word loses.
You're given two lists of words familiar to PolandBall and EnemyBall. Can you determine who wins the game, if both play optimally?
Input
The first input line contains two integers n and m (1 ≤ n, m ≤ 103) — number of words PolandBall and EnemyBall know, respectively.
Then n strings follow, one per line — words familiar to PolandBall.
Then m strings follow, one per line — words familiar to EnemyBall.
Note that one Ball cannot know a word more than once (strings are unique), but some words can be known by both players.
Each word is non-empty and consists of no more than 500 lowercase English alphabet letters.
Output
In a single line of print the answer — "YES" if PolandBall wins and "NO" otherwise. Both Balls play optimally.
Examples
Input
5 1
polandball
is
a
cool
character
nope
Output
YES
Input
2 2
kremowka
wadowicka
kremowka
wiedenska
Output
YES
Input
1 2
a
a
b
Output
NO
Note
In the first example PolandBall knows much more words and wins effortlessly.
In the second example if PolandBall says kremowka first, then EnemyBall cannot use that word anymore. EnemyBall can only say wiedenska. PolandBall says wadowicka and wins. | instruction | 0 | 29,617 | 19 | 59,234 |
Tags: binary search, data structures, games, greedy, sortings, strings
Correct Solution:
```
s=input().split()
n,m=int(s[0]),int(s[1])
l=[]
for i in range(n):
l.append(input())
c=0
for i in range(m):
s=input()
if s in l:
c+=1
x=n-c+c//2+c%2
y=m-c+c//2
if x>y:
print('YES')
else:
print('NO')
``` | output | 1 | 29,617 | 19 | 59,235 |
Provide tags and a correct Python 3 solution for this coding contest problem.
PolandBall is playing a game with EnemyBall. The rules are simple. Players have to say words in turns. You cannot say a word which was already said. PolandBall starts. The Ball which can't say a new word loses.
You're given two lists of words familiar to PolandBall and EnemyBall. Can you determine who wins the game, if both play optimally?
Input
The first input line contains two integers n and m (1 ≤ n, m ≤ 103) — number of words PolandBall and EnemyBall know, respectively.
Then n strings follow, one per line — words familiar to PolandBall.
Then m strings follow, one per line — words familiar to EnemyBall.
Note that one Ball cannot know a word more than once (strings are unique), but some words can be known by both players.
Each word is non-empty and consists of no more than 500 lowercase English alphabet letters.
Output
In a single line of print the answer — "YES" if PolandBall wins and "NO" otherwise. Both Balls play optimally.
Examples
Input
5 1
polandball
is
a
cool
character
nope
Output
YES
Input
2 2
kremowka
wadowicka
kremowka
wiedenska
Output
YES
Input
1 2
a
a
b
Output
NO
Note
In the first example PolandBall knows much more words and wins effortlessly.
In the second example if PolandBall says kremowka first, then EnemyBall cannot use that word anymore. EnemyBall can only say wiedenska. PolandBall says wadowicka and wins. | instruction | 0 | 29,618 | 19 | 59,236 |
Tags: binary search, data structures, games, greedy, sortings, strings
Correct Solution:
```
n, m = map(int, input().split())
n_set = set()
m_set = set()
for _ in range(n):
n_set.add(input())
for _ in range(m):
m_set.add(input())
inter = len(n_set.intersection(m_set))
n_diff = len(n_set) - inter
m_diff = len(m_set) - inter
if inter == 0:
if n_diff > m_diff:
print('YES')
else:
print('NO')
else: # inter != 0
if n_diff > m_diff:
print('YES')
elif n_diff < m_diff:
print('NO') # I guess?
else:
if (inter % 2 == 0):
print('NO')
else:
print('YES')
``` | output | 1 | 29,618 | 19 | 59,237 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
PolandBall is playing a game with EnemyBall. The rules are simple. Players have to say words in turns. You cannot say a word which was already said. PolandBall starts. The Ball which can't say a new word loses.
You're given two lists of words familiar to PolandBall and EnemyBall. Can you determine who wins the game, if both play optimally?
Input
The first input line contains two integers n and m (1 ≤ n, m ≤ 103) — number of words PolandBall and EnemyBall know, respectively.
Then n strings follow, one per line — words familiar to PolandBall.
Then m strings follow, one per line — words familiar to EnemyBall.
Note that one Ball cannot know a word more than once (strings are unique), but some words can be known by both players.
Each word is non-empty and consists of no more than 500 lowercase English alphabet letters.
Output
In a single line of print the answer — "YES" if PolandBall wins and "NO" otherwise. Both Balls play optimally.
Examples
Input
5 1
polandball
is
a
cool
character
nope
Output
YES
Input
2 2
kremowka
wadowicka
kremowka
wiedenska
Output
YES
Input
1 2
a
a
b
Output
NO
Note
In the first example PolandBall knows much more words and wins effortlessly.
In the second example if PolandBall says kremowka first, then EnemyBall cannot use that word anymore. EnemyBall can only say wiedenska. PolandBall says wadowicka and wins.
Submitted Solution:
```
def ip():
return int(input())
def sip():
return input()
def mip():
return map(int,input().split())
def lip():
return list(map(int,input().split()))
def matip(n,m):
lst=[]
for i in range(n):
arr = lip()
lst.append(arr)
return lst
n,m = mip()
lst=[]
arr = []
for i in range(n):
s = sip()
lst.append(s)
for i in range(m):
s = sip()
arr.append(s)
if n>m:
print('YES')
elif m>n:
print('NO')
else:
lst = set(lst)
arr = set(arr)
arr = set(arr.intersection(lst))
if len(arr)%2==0:
print("NO")
else:
print("YES")
``` | instruction | 0 | 29,619 | 19 | 59,238 |
Yes | output | 1 | 29,619 | 19 | 59,239 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
PolandBall is playing a game with EnemyBall. The rules are simple. Players have to say words in turns. You cannot say a word which was already said. PolandBall starts. The Ball which can't say a new word loses.
You're given two lists of words familiar to PolandBall and EnemyBall. Can you determine who wins the game, if both play optimally?
Input
The first input line contains two integers n and m (1 ≤ n, m ≤ 103) — number of words PolandBall and EnemyBall know, respectively.
Then n strings follow, one per line — words familiar to PolandBall.
Then m strings follow, one per line — words familiar to EnemyBall.
Note that one Ball cannot know a word more than once (strings are unique), but some words can be known by both players.
Each word is non-empty and consists of no more than 500 lowercase English alphabet letters.
Output
In a single line of print the answer — "YES" if PolandBall wins and "NO" otherwise. Both Balls play optimally.
Examples
Input
5 1
polandball
is
a
cool
character
nope
Output
YES
Input
2 2
kremowka
wadowicka
kremowka
wiedenska
Output
YES
Input
1 2
a
a
b
Output
NO
Note
In the first example PolandBall knows much more words and wins effortlessly.
In the second example if PolandBall says kremowka first, then EnemyBall cannot use that word anymore. EnemyBall can only say wiedenska. PolandBall says wadowicka and wins.
Submitted Solution:
```
n, m = map(int, input().split())
p, e = {input() for i in range(n)}, {input() for i in range(m)}
print('YES' if len(p - e) + len(p & e) % 2 > len(e - p) else 'NO')
# Made By Mostafa_Khaled
``` | instruction | 0 | 29,620 | 19 | 59,240 |
Yes | output | 1 | 29,620 | 19 | 59,241 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
PolandBall is playing a game with EnemyBall. The rules are simple. Players have to say words in turns. You cannot say a word which was already said. PolandBall starts. The Ball which can't say a new word loses.
You're given two lists of words familiar to PolandBall and EnemyBall. Can you determine who wins the game, if both play optimally?
Input
The first input line contains two integers n and m (1 ≤ n, m ≤ 103) — number of words PolandBall and EnemyBall know, respectively.
Then n strings follow, one per line — words familiar to PolandBall.
Then m strings follow, one per line — words familiar to EnemyBall.
Note that one Ball cannot know a word more than once (strings are unique), but some words can be known by both players.
Each word is non-empty and consists of no more than 500 lowercase English alphabet letters.
Output
In a single line of print the answer — "YES" if PolandBall wins and "NO" otherwise. Both Balls play optimally.
Examples
Input
5 1
polandball
is
a
cool
character
nope
Output
YES
Input
2 2
kremowka
wadowicka
kremowka
wiedenska
Output
YES
Input
1 2
a
a
b
Output
NO
Note
In the first example PolandBall knows much more words and wins effortlessly.
In the second example if PolandBall says kremowka first, then EnemyBall cannot use that word anymore. EnemyBall can only say wiedenska. PolandBall says wadowicka and wins.
Submitted Solution:
```
import copy
n,m=list(map(int,input().split()))
pol=[]
en=[]
for i in range(n):
pol.append(input().strip())
for i in range(m):
en.append(input().strip())
pol2=copy.deepcopy(pol)
en2=copy.deepcopy(en)
parity=0
if n<m:
for p in pol:
if p in en2:
if parity%2==0:
en2.remove(p)
else:
pol2.remove(p)
parity+=1
else:
for p in en:
if p in pol2:
if parity%2==0:
en2.remove(p)
else:
pol2.remove(p)
parity+=1
if len(pol2)>len(en2):
print('YES')
else:
print('NO')
``` | instruction | 0 | 29,621 | 19 | 59,242 |
Yes | output | 1 | 29,621 | 19 | 59,243 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
PolandBall is playing a game with EnemyBall. The rules are simple. Players have to say words in turns. You cannot say a word which was already said. PolandBall starts. The Ball which can't say a new word loses.
You're given two lists of words familiar to PolandBall and EnemyBall. Can you determine who wins the game, if both play optimally?
Input
The first input line contains two integers n and m (1 ≤ n, m ≤ 103) — number of words PolandBall and EnemyBall know, respectively.
Then n strings follow, one per line — words familiar to PolandBall.
Then m strings follow, one per line — words familiar to EnemyBall.
Note that one Ball cannot know a word more than once (strings are unique), but some words can be known by both players.
Each word is non-empty and consists of no more than 500 lowercase English alphabet letters.
Output
In a single line of print the answer — "YES" if PolandBall wins and "NO" otherwise. Both Balls play optimally.
Examples
Input
5 1
polandball
is
a
cool
character
nope
Output
YES
Input
2 2
kremowka
wadowicka
kremowka
wiedenska
Output
YES
Input
1 2
a
a
b
Output
NO
Note
In the first example PolandBall knows much more words and wins effortlessly.
In the second example if PolandBall says kremowka first, then EnemyBall cannot use that word anymore. EnemyBall can only say wiedenska. PolandBall says wadowicka and wins.
Submitted Solution:
```
def getWinner(polandWords, enemyWords):
'''if len(polandWords) > len(enemyWords):
return "YES"
if len(polandWords) < len(enemyWords):
return "NO" '''
k = 0;
for word in polandWords:
if enemyWords.get(word):
k+=1;
n = len(polandWords) - k
m = len(enemyWords) - k
if k % 2 == 1:
n += (int(k/2) + 1)
m += (int(k/2))
else:
n += (int(k/2))
m += (int(k/2))
if n > m:
return "YES"
else:
return "NO"
def main():
mn = input()
temp = mn.split(" ");
n = int(temp[0]);
m = int(temp[1]);
polandWords = {}
enemyWords = {}
for i in range(0,n):
polandWords[input()] = 1
for i in range(0,m):
enemyWords[input()] = 1
print(getWinner(polandWords,enemyWords));
if __name__ == "__main__":
main();
``` | instruction | 0 | 29,622 | 19 | 59,244 |
Yes | output | 1 | 29,622 | 19 | 59,245 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
PolandBall is playing a game with EnemyBall. The rules are simple. Players have to say words in turns. You cannot say a word which was already said. PolandBall starts. The Ball which can't say a new word loses.
You're given two lists of words familiar to PolandBall and EnemyBall. Can you determine who wins the game, if both play optimally?
Input
The first input line contains two integers n and m (1 ≤ n, m ≤ 103) — number of words PolandBall and EnemyBall know, respectively.
Then n strings follow, one per line — words familiar to PolandBall.
Then m strings follow, one per line — words familiar to EnemyBall.
Note that one Ball cannot know a word more than once (strings are unique), but some words can be known by both players.
Each word is non-empty and consists of no more than 500 lowercase English alphabet letters.
Output
In a single line of print the answer — "YES" if PolandBall wins and "NO" otherwise. Both Balls play optimally.
Examples
Input
5 1
polandball
is
a
cool
character
nope
Output
YES
Input
2 2
kremowka
wadowicka
kremowka
wiedenska
Output
YES
Input
1 2
a
a
b
Output
NO
Note
In the first example PolandBall knows much more words and wins effortlessly.
In the second example if PolandBall says kremowka first, then EnemyBall cannot use that word anymore. EnemyBall can only say wiedenska. PolandBall says wadowicka and wins.
Submitted Solution:
```
import sys
input = sys.stdin.readline
n, m = input().split()
n = int(n)
m = int(m)
polW = []
eneW = []
for i in range(n):
polW.append(input())
for i in range(m):
word = input()
if word in polW:
del(polW[polW.index(word)])
else:
eneW.append(word)
if len(polW) != len(eneW):
if len(polW) > len(eneW):
print("YES")
else:
print("NO")
else:
print("NO")
``` | instruction | 0 | 29,623 | 19 | 59,246 |
No | output | 1 | 29,623 | 19 | 59,247 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
PolandBall is playing a game with EnemyBall. The rules are simple. Players have to say words in turns. You cannot say a word which was already said. PolandBall starts. The Ball which can't say a new word loses.
You're given two lists of words familiar to PolandBall and EnemyBall. Can you determine who wins the game, if both play optimally?
Input
The first input line contains two integers n and m (1 ≤ n, m ≤ 103) — number of words PolandBall and EnemyBall know, respectively.
Then n strings follow, one per line — words familiar to PolandBall.
Then m strings follow, one per line — words familiar to EnemyBall.
Note that one Ball cannot know a word more than once (strings are unique), but some words can be known by both players.
Each word is non-empty and consists of no more than 500 lowercase English alphabet letters.
Output
In a single line of print the answer — "YES" if PolandBall wins and "NO" otherwise. Both Balls play optimally.
Examples
Input
5 1
polandball
is
a
cool
character
nope
Output
YES
Input
2 2
kremowka
wadowicka
kremowka
wiedenska
Output
YES
Input
1 2
a
a
b
Output
NO
Note
In the first example PolandBall knows much more words and wins effortlessly.
In the second example if PolandBall says kremowka first, then EnemyBall cannot use that word anymore. EnemyBall can only say wiedenska. PolandBall says wadowicka and wins.
Submitted Solution:
```
p, v = map(int, input().split())
WORDS_P = []
WORDS_V = []
WORDS = []
for i in range(p):
WORDS_P.append(input())
if WORDS_P[i] not in WORDS:
WORDS.append(WORDS_P[i])
for i in range(v):
WORDS_V.append(input())
if WORDS_V[i] not in WORDS:
WORDS.append(WORDS_V[i])
if len(WORDS) % 2 == 0:
print('YES')
else:
print('NO')
``` | instruction | 0 | 29,624 | 19 | 59,248 |
No | output | 1 | 29,624 | 19 | 59,249 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
PolandBall is playing a game with EnemyBall. The rules are simple. Players have to say words in turns. You cannot say a word which was already said. PolandBall starts. The Ball which can't say a new word loses.
You're given two lists of words familiar to PolandBall and EnemyBall. Can you determine who wins the game, if both play optimally?
Input
The first input line contains two integers n and m (1 ≤ n, m ≤ 103) — number of words PolandBall and EnemyBall know, respectively.
Then n strings follow, one per line — words familiar to PolandBall.
Then m strings follow, one per line — words familiar to EnemyBall.
Note that one Ball cannot know a word more than once (strings are unique), but some words can be known by both players.
Each word is non-empty and consists of no more than 500 lowercase English alphabet letters.
Output
In a single line of print the answer — "YES" if PolandBall wins and "NO" otherwise. Both Balls play optimally.
Examples
Input
5 1
polandball
is
a
cool
character
nope
Output
YES
Input
2 2
kremowka
wadowicka
kremowka
wiedenska
Output
YES
Input
1 2
a
a
b
Output
NO
Note
In the first example PolandBall knows much more words and wins effortlessly.
In the second example if PolandBall says kremowka first, then EnemyBall cannot use that word anymore. EnemyBall can only say wiedenska. PolandBall says wadowicka and wins.
Submitted Solution:
```
n, m = map(int, input().split())
s1 = set()
for _ in range(n):
s1.add(input())
s2 = set()
for _ in range(m):
s2.add(input())
nm = len(s1 & s2)
if n + (1 if nm%2==0 else 0) > m:
print('YES')
else:
print('NO')
``` | instruction | 0 | 29,625 | 19 | 59,250 |
No | output | 1 | 29,625 | 19 | 59,251 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
PolandBall is playing a game with EnemyBall. The rules are simple. Players have to say words in turns. You cannot say a word which was already said. PolandBall starts. The Ball which can't say a new word loses.
You're given two lists of words familiar to PolandBall and EnemyBall. Can you determine who wins the game, if both play optimally?
Input
The first input line contains two integers n and m (1 ≤ n, m ≤ 103) — number of words PolandBall and EnemyBall know, respectively.
Then n strings follow, one per line — words familiar to PolandBall.
Then m strings follow, one per line — words familiar to EnemyBall.
Note that one Ball cannot know a word more than once (strings are unique), but some words can be known by both players.
Each word is non-empty and consists of no more than 500 lowercase English alphabet letters.
Output
In a single line of print the answer — "YES" if PolandBall wins and "NO" otherwise. Both Balls play optimally.
Examples
Input
5 1
polandball
is
a
cool
character
nope
Output
YES
Input
2 2
kremowka
wadowicka
kremowka
wiedenska
Output
YES
Input
1 2
a
a
b
Output
NO
Note
In the first example PolandBall knows much more words and wins effortlessly.
In the second example if PolandBall says kremowka first, then EnemyBall cannot use that word anymore. EnemyBall can only say wiedenska. PolandBall says wadowicka and wins.
Submitted Solution:
```
n, m = list(map(int, input().split()))
a = {input() for x in range(n)}
b = {input() for x in range(m)}
c = b - a
if len(c) >= len(a):
print("NO")
else:
print("YES")
``` | instruction | 0 | 29,626 | 19 | 59,252 |
No | output | 1 | 29,626 | 19 | 59,253 |
Provide a correct Python 3 solution for this coding contest problem.
Quickly after finishing the tutorial of the online game ATChat, you have decided to visit a particular place with N-1 players who happen to be there. These N players, including you, are numbered 1 through N, and the friendliness of Player i is A_i.
The N players will arrive at the place one by one in some order. To make sure nobody gets lost, you have set the following rule: players who have already arrived there should form a circle, and a player who has just arrived there should cut into the circle somewhere.
When each player, except the first one to arrive, arrives at the place, the player gets comfort equal to the smaller of the friendliness of the clockwise adjacent player and that of the counter-clockwise adjacent player. The first player to arrive there gets the comfort of 0.
What is the maximum total comfort the N players can get by optimally choosing the order of arrivals and the positions in the circle to cut into?
Constraints
* All values in input are integers.
* 2 \leq N \leq 2 \times 10^5
* 1 \leq A_i \leq 10^9
Input
Input is given from Standard Input in the following format:
N
A_1 A_2 \dots A_N
Output
Print the maximum total comfort the N players can get.
Examples
Input
4
2 2 1 3
Output
7
Input
7
1 1 1 1 1 1 1
Output
6 | instruction | 0 | 29,743 | 19 | 59,486 |
"Correct Solution:
```
N = int(input())
A = list(map(int, input().split()))
A.sort(reverse=True)
ans = A[0]
for i in range(N-2):
ans += A[i//2+1]
print(ans)
``` | output | 1 | 29,743 | 19 | 59,487 |
Provide a correct Python 3 solution for this coding contest problem.
Quickly after finishing the tutorial of the online game ATChat, you have decided to visit a particular place with N-1 players who happen to be there. These N players, including you, are numbered 1 through N, and the friendliness of Player i is A_i.
The N players will arrive at the place one by one in some order. To make sure nobody gets lost, you have set the following rule: players who have already arrived there should form a circle, and a player who has just arrived there should cut into the circle somewhere.
When each player, except the first one to arrive, arrives at the place, the player gets comfort equal to the smaller of the friendliness of the clockwise adjacent player and that of the counter-clockwise adjacent player. The first player to arrive there gets the comfort of 0.
What is the maximum total comfort the N players can get by optimally choosing the order of arrivals and the positions in the circle to cut into?
Constraints
* All values in input are integers.
* 2 \leq N \leq 2 \times 10^5
* 1 \leq A_i \leq 10^9
Input
Input is given from Standard Input in the following format:
N
A_1 A_2 \dots A_N
Output
Print the maximum total comfort the N players can get.
Examples
Input
4
2 2 1 3
Output
7
Input
7
1 1 1 1 1 1 1
Output
6 | instruction | 0 | 29,744 | 19 | 59,488 |
"Correct Solution:
```
n,*l=map(int,open(0).read().split());print(sum(sorted(l*2)[-2:~n:-1]))
``` | output | 1 | 29,744 | 19 | 59,489 |
Provide a correct Python 3 solution for this coding contest problem.
Quickly after finishing the tutorial of the online game ATChat, you have decided to visit a particular place with N-1 players who happen to be there. These N players, including you, are numbered 1 through N, and the friendliness of Player i is A_i.
The N players will arrive at the place one by one in some order. To make sure nobody gets lost, you have set the following rule: players who have already arrived there should form a circle, and a player who has just arrived there should cut into the circle somewhere.
When each player, except the first one to arrive, arrives at the place, the player gets comfort equal to the smaller of the friendliness of the clockwise adjacent player and that of the counter-clockwise adjacent player. The first player to arrive there gets the comfort of 0.
What is the maximum total comfort the N players can get by optimally choosing the order of arrivals and the positions in the circle to cut into?
Constraints
* All values in input are integers.
* 2 \leq N \leq 2 \times 10^5
* 1 \leq A_i \leq 10^9
Input
Input is given from Standard Input in the following format:
N
A_1 A_2 \dots A_N
Output
Print the maximum total comfort the N players can get.
Examples
Input
4
2 2 1 3
Output
7
Input
7
1 1 1 1 1 1 1
Output
6 | instruction | 0 | 29,745 | 19 | 59,490 |
"Correct Solution:
```
N = int(input())
A = sorted(list(map(int,input().split())),reverse=True)
ans = 0
for i in range(1,N):
ans += A[i//2]
print(ans)
``` | output | 1 | 29,745 | 19 | 59,491 |
Provide a correct Python 3 solution for this coding contest problem.
Quickly after finishing the tutorial of the online game ATChat, you have decided to visit a particular place with N-1 players who happen to be there. These N players, including you, are numbered 1 through N, and the friendliness of Player i is A_i.
The N players will arrive at the place one by one in some order. To make sure nobody gets lost, you have set the following rule: players who have already arrived there should form a circle, and a player who has just arrived there should cut into the circle somewhere.
When each player, except the first one to arrive, arrives at the place, the player gets comfort equal to the smaller of the friendliness of the clockwise adjacent player and that of the counter-clockwise adjacent player. The first player to arrive there gets the comfort of 0.
What is the maximum total comfort the N players can get by optimally choosing the order of arrivals and the positions in the circle to cut into?
Constraints
* All values in input are integers.
* 2 \leq N \leq 2 \times 10^5
* 1 \leq A_i \leq 10^9
Input
Input is given from Standard Input in the following format:
N
A_1 A_2 \dots A_N
Output
Print the maximum total comfort the N players can get.
Examples
Input
4
2 2 1 3
Output
7
Input
7
1 1 1 1 1 1 1
Output
6 | instruction | 0 | 29,746 | 19 | 59,492 |
"Correct Solution:
```
n = int(input())
a = sorted(map(int, input().split()), reverse=True)
res = 0
res += a[0]
for i in range(2, n):
res += a[i//2]
print(res)
``` | output | 1 | 29,746 | 19 | 59,493 |
Provide a correct Python 3 solution for this coding contest problem.
Quickly after finishing the tutorial of the online game ATChat, you have decided to visit a particular place with N-1 players who happen to be there. These N players, including you, are numbered 1 through N, and the friendliness of Player i is A_i.
The N players will arrive at the place one by one in some order. To make sure nobody gets lost, you have set the following rule: players who have already arrived there should form a circle, and a player who has just arrived there should cut into the circle somewhere.
When each player, except the first one to arrive, arrives at the place, the player gets comfort equal to the smaller of the friendliness of the clockwise adjacent player and that of the counter-clockwise adjacent player. The first player to arrive there gets the comfort of 0.
What is the maximum total comfort the N players can get by optimally choosing the order of arrivals and the positions in the circle to cut into?
Constraints
* All values in input are integers.
* 2 \leq N \leq 2 \times 10^5
* 1 \leq A_i \leq 10^9
Input
Input is given from Standard Input in the following format:
N
A_1 A_2 \dots A_N
Output
Print the maximum total comfort the N players can get.
Examples
Input
4
2 2 1 3
Output
7
Input
7
1 1 1 1 1 1 1
Output
6 | instruction | 0 | 29,747 | 19 | 59,494 |
"Correct Solution:
```
N, *A = map(int, open(0).read().split())
A.sort(reverse=True)
print(2 * sum(A[:N // 2]) - A[0] + (A[N // 2] if N % 2 == 1 else 0))
``` | output | 1 | 29,747 | 19 | 59,495 |
Provide a correct Python 3 solution for this coding contest problem.
Quickly after finishing the tutorial of the online game ATChat, you have decided to visit a particular place with N-1 players who happen to be there. These N players, including you, are numbered 1 through N, and the friendliness of Player i is A_i.
The N players will arrive at the place one by one in some order. To make sure nobody gets lost, you have set the following rule: players who have already arrived there should form a circle, and a player who has just arrived there should cut into the circle somewhere.
When each player, except the first one to arrive, arrives at the place, the player gets comfort equal to the smaller of the friendliness of the clockwise adjacent player and that of the counter-clockwise adjacent player. The first player to arrive there gets the comfort of 0.
What is the maximum total comfort the N players can get by optimally choosing the order of arrivals and the positions in the circle to cut into?
Constraints
* All values in input are integers.
* 2 \leq N \leq 2 \times 10^5
* 1 \leq A_i \leq 10^9
Input
Input is given from Standard Input in the following format:
N
A_1 A_2 \dots A_N
Output
Print the maximum total comfort the N players can get.
Examples
Input
4
2 2 1 3
Output
7
Input
7
1 1 1 1 1 1 1
Output
6 | instruction | 0 | 29,748 | 19 | 59,496 |
"Correct Solution:
```
N = int(input())
A = list(map(int,input().split()))
A.sort(reverse=True)
ans = 0
for i in range(1,N):
ans += A[i//2]
print(ans)
``` | output | 1 | 29,748 | 19 | 59,497 |
Provide a correct Python 3 solution for this coding contest problem.
Quickly after finishing the tutorial of the online game ATChat, you have decided to visit a particular place with N-1 players who happen to be there. These N players, including you, are numbered 1 through N, and the friendliness of Player i is A_i.
The N players will arrive at the place one by one in some order. To make sure nobody gets lost, you have set the following rule: players who have already arrived there should form a circle, and a player who has just arrived there should cut into the circle somewhere.
When each player, except the first one to arrive, arrives at the place, the player gets comfort equal to the smaller of the friendliness of the clockwise adjacent player and that of the counter-clockwise adjacent player. The first player to arrive there gets the comfort of 0.
What is the maximum total comfort the N players can get by optimally choosing the order of arrivals and the positions in the circle to cut into?
Constraints
* All values in input are integers.
* 2 \leq N \leq 2 \times 10^5
* 1 \leq A_i \leq 10^9
Input
Input is given from Standard Input in the following format:
N
A_1 A_2 \dots A_N
Output
Print the maximum total comfort the N players can get.
Examples
Input
4
2 2 1 3
Output
7
Input
7
1 1 1 1 1 1 1
Output
6 | instruction | 0 | 29,749 | 19 | 59,498 |
"Correct Solution:
```
# coding: utf-8
# Your code here!
N=int(input())
A=list(map(int,input().split()))
A+=A
A.sort(reverse=True)
print(sum(A[1:N]))
``` | output | 1 | 29,749 | 19 | 59,499 |
Provide a correct Python 3 solution for this coding contest problem.
Quickly after finishing the tutorial of the online game ATChat, you have decided to visit a particular place with N-1 players who happen to be there. These N players, including you, are numbered 1 through N, and the friendliness of Player i is A_i.
The N players will arrive at the place one by one in some order. To make sure nobody gets lost, you have set the following rule: players who have already arrived there should form a circle, and a player who has just arrived there should cut into the circle somewhere.
When each player, except the first one to arrive, arrives at the place, the player gets comfort equal to the smaller of the friendliness of the clockwise adjacent player and that of the counter-clockwise adjacent player. The first player to arrive there gets the comfort of 0.
What is the maximum total comfort the N players can get by optimally choosing the order of arrivals and the positions in the circle to cut into?
Constraints
* All values in input are integers.
* 2 \leq N \leq 2 \times 10^5
* 1 \leq A_i \leq 10^9
Input
Input is given from Standard Input in the following format:
N
A_1 A_2 \dots A_N
Output
Print the maximum total comfort the N players can get.
Examples
Input
4
2 2 1 3
Output
7
Input
7
1 1 1 1 1 1 1
Output
6 | instruction | 0 | 29,750 | 19 | 59,500 |
"Correct Solution:
```
n=int(input())
c=list(map(int, input().split()))
c = sorted(c)
ans = 0
for i in range(1,len(c)):
ans += c[len(c) - 1 - i//2]
print(ans)
``` | output | 1 | 29,750 | 19 | 59,501 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Quickly after finishing the tutorial of the online game ATChat, you have decided to visit a particular place with N-1 players who happen to be there. These N players, including you, are numbered 1 through N, and the friendliness of Player i is A_i.
The N players will arrive at the place one by one in some order. To make sure nobody gets lost, you have set the following rule: players who have already arrived there should form a circle, and a player who has just arrived there should cut into the circle somewhere.
When each player, except the first one to arrive, arrives at the place, the player gets comfort equal to the smaller of the friendliness of the clockwise adjacent player and that of the counter-clockwise adjacent player. The first player to arrive there gets the comfort of 0.
What is the maximum total comfort the N players can get by optimally choosing the order of arrivals and the positions in the circle to cut into?
Constraints
* All values in input are integers.
* 2 \leq N \leq 2 \times 10^5
* 1 \leq A_i \leq 10^9
Input
Input is given from Standard Input in the following format:
N
A_1 A_2 \dots A_N
Output
Print the maximum total comfort the N players can get.
Examples
Input
4
2 2 1 3
Output
7
Input
7
1 1 1 1 1 1 1
Output
6
Submitted Solution:
```
n = int(input())
a = [int(i) for i in input().split()]
a.sort(reverse=True)
ans = 0
for i in range(1, n):
ans += a[i // 2]
print(ans)
``` | instruction | 0 | 29,751 | 19 | 59,502 |
Yes | output | 1 | 29,751 | 19 | 59,503 |
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