message stringlengths 2 59.7k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 37 108k | cluster float64 20 20 | __index_level_0__ int64 74 217k |
|---|---|---|---|---|---|
Provide tags and a correct Python 3 solution for this coding contest problem.
Let's call the roundness of the number the number of zeros to which it ends.
You have an array of n numbers. You need to choose a subset of exactly k numbers so that the roundness of the product of the selected numbers will be maximum possi... | instruction | 0 | 78,807 | 20 | 157,614 |
Tags: dp, math
Correct Solution:
```
import sys
from decimal import Decimal
def calc(c):
d = 0
p = 0
while c % 2 == 0:
c /= 2
d += 1
while c % 5 == 0:
c /= 5
p += 1
return d, p
def main():
n, k = map(int, sys.stdin.readline().split())
a = list(map(int, sys... | output | 1 | 78,807 | 20 | 157,615 |
Provide a correct Python 3 solution for this coding contest problem.
Your task is to write a program which reads an expression and evaluates it.
* The expression consists of numerical values, operators and parentheses, and the ends with '='.
* The operators includes +, - , *, / where respectively represents, addition... | instruction | 0 | 79,026 | 20 | 158,052 |
"Correct Solution:
```
def ReversePolishNotation(string):
priority = {"(": 0, ")": 0, "+": 1, "-": 1, "*": 2, "/": 2}
stack = []
signStack = []
isContinue = False
for item in string[:-1]:
if str.isdigit(item):
if not isContinue:
stack.append(item)
... | output | 1 | 79,026 | 20 | 158,053 |
Provide a correct Python 3 solution for this coding contest problem.
Your task is to write a program which reads an expression and evaluates it.
* The expression consists of numerical values, operators and parentheses, and the ends with '='.
* The operators includes +, - , *, / where respectively represents, addition... | instruction | 0 | 79,027 | 20 | 158,054 |
"Correct Solution:
```
import re
class Num:
def __init__(self, x):
self.x = x
def __str__(self):
return str(self.x)
def __add__(self, other):
return Num(self.x + other.x)
def __sub__(self, other):
return Num(self.x - other.x)
def __truediv__(self, other):
... | output | 1 | 79,027 | 20 | 158,055 |
Provide tags and a correct Python 3 solution for this coding contest problem.
At a break Vanya came to the class and saw an array of n k-bit integers a_1, a_2, …, a_n on the board. An integer x is called a k-bit integer if 0 ≤ x ≤ 2^k - 1.
Of course, Vanya was not able to resist and started changing the numbers writ... | instruction | 0 | 79,135 | 20 | 158,270 |
Tags: greedy, implementation
Correct Solution:
```
n,k=list(map(int,input().split()))
arr=list(map(int,input().split()))
newarr=[0]
for num in arr:
newarr+=[newarr[-1]^num]
dic={}
for num in newarr:
x=(min(num,2**k-1-num),max(num,2**k-1-num))
if x in dic:
dic[x]+=1
else:
dic[x]=1
ans=0
for elem in dic:... | output | 1 | 79,135 | 20 | 158,271 |
Provide tags and a correct Python 3 solution for this coding contest problem.
At a break Vanya came to the class and saw an array of n k-bit integers a_1, a_2, …, a_n on the board. An integer x is called a k-bit integer if 0 ≤ x ≤ 2^k - 1.
Of course, Vanya was not able to resist and started changing the numbers writ... | instruction | 0 | 79,136 | 20 | 158,272 |
Tags: greedy, implementation
Correct Solution:
```
'''input
3 2
1 3 0
'''
def solve():
n,k = list(map(int,input().split()))
flipVal = (1<<k)-1
l = list(map(int,input().split()))
D = {}
D[0]=1
for i in range(1,n):
l[i]^=l[i-1]
for i in range(0,n):
l[i]=min(l[i],l[i]^flipVal)
if l[i] in D:
D[l[i]]+=1
el... | output | 1 | 79,136 | 20 | 158,273 |
Provide tags and a correct Python 3 solution for this coding contest problem.
At a break Vanya came to the class and saw an array of n k-bit integers a_1, a_2, …, a_n on the board. An integer x is called a k-bit integer if 0 ≤ x ≤ 2^k - 1.
Of course, Vanya was not able to resist and started changing the numbers writ... | instruction | 0 | 79,137 | 20 | 158,274 |
Tags: greedy, implementation
Correct Solution:
```
from collections import defaultdict
n,k=map(int,input().split())
arr=list(map(int,input().split()))
xors=defaultdict(int)
xors[0]=1
comp=(1<<k)-1
xor=0
ans=n*(n+1)//2
for a in arr:
xor^=a
if(xors[xor]>xors[comp^xor]):
xor^=comp
ans-=xors[xor]
xo... | output | 1 | 79,137 | 20 | 158,275 |
Provide tags and a correct Python 3 solution for this coding contest problem.
At a break Vanya came to the class and saw an array of n k-bit integers a_1, a_2, …, a_n on the board. An integer x is called a k-bit integer if 0 ≤ x ≤ 2^k - 1.
Of course, Vanya was not able to resist and started changing the numbers writ... | instruction | 0 | 79,138 | 20 | 158,276 |
Tags: greedy, implementation
Correct Solution:
```
from math import *
#n,k=map(int,input().split())
#A = list(map(int,input().split()))
n,k = map(int,input().split())
ans = [0] * n
#^xor
lul = 2**k - 1
A = list(map(int,input().split()))
ans[0] = A[0]
for j in range(1, n):
ans[j] = ans[j-1]^A[j]
#print(ans)
d = dic... | output | 1 | 79,138 | 20 | 158,277 |
Provide tags and a correct Python 3 solution for this coding contest problem.
At a break Vanya came to the class and saw an array of n k-bit integers a_1, a_2, …, a_n on the board. An integer x is called a k-bit integer if 0 ≤ x ≤ 2^k - 1.
Of course, Vanya was not able to resist and started changing the numbers writ... | instruction | 0 | 79,139 | 20 | 158,278 |
Tags: greedy, implementation
Correct Solution:
```
def add(num):
if(num<=1):
return 0
return (num*(num-1))//2
n,k=map(int,input().split())
a=list(map(int,input().split()))
pre=[a[0]]
base=(2**(k))-1
hb=2**(k-1)
for i in range(1,n):
pre.append(a[i]^pre[-1])
cnt=dict()
cnt[0]=[0,0]
fo... | output | 1 | 79,139 | 20 | 158,279 |
Provide tags and a correct Python 3 solution for this coding contest problem.
At a break Vanya came to the class and saw an array of n k-bit integers a_1, a_2, …, a_n on the board. An integer x is called a k-bit integer if 0 ≤ x ≤ 2^k - 1.
Of course, Vanya was not able to resist and started changing the numbers writ... | instruction | 0 | 79,140 | 20 | 158,280 |
Tags: greedy, implementation
Correct Solution:
```
from sys import stdin, stdout, setrecursionlimit
input = stdin.readline
# import string
# characters = string.ascii_lowercase
# digits = string.digits
# setrecursionlimit(int(1e6))
# dir = [-1,0,1,0,-1]
# moves = 'NESW'
inf = float('inf')
from functools import cmp_to_k... | output | 1 | 79,140 | 20 | 158,281 |
Provide tags and a correct Python 3 solution for this coding contest problem.
At a break Vanya came to the class and saw an array of n k-bit integers a_1, a_2, …, a_n on the board. An integer x is called a k-bit integer if 0 ≤ x ≤ 2^k - 1.
Of course, Vanya was not able to resist and started changing the numbers writ... | instruction | 0 | 79,141 | 20 | 158,282 |
Tags: greedy, implementation
Correct Solution:
```
# https://codeforces.com/contest/1054/problem/D
n, k = map(int, input().split())
a = list(map(int, input().split()))
p = [0] * (n+1)
base = (1<<k)-1
def kC2(k):
return (k-1) * k// 2
d = {}
for i in range(1, n+1):
p[i] = p[i-1] ^ a[i-1]
p[i... | output | 1 | 79,141 | 20 | 158,283 |
Provide tags and a correct Python 3 solution for this coding contest problem.
At a break Vanya came to the class and saw an array of n k-bit integers a_1, a_2, …, a_n on the board. An integer x is called a k-bit integer if 0 ≤ x ≤ 2^k - 1.
Of course, Vanya was not able to resist and started changing the numbers writ... | instruction | 0 | 79,142 | 20 | 158,284 |
Tags: greedy, implementation
Correct Solution:
```
from collections import defaultdict
n, k = map(int, input().split())
a = [0] + list(map(int, input().split()))
h = defaultdict(int)
for i in range(n):
a[i + 1] ^= a[i]
for i in range(n + 1):
h[min(a[i] ^ ((1 << k) - 1), a[i])] += 1
ans = 0
for x, t in h.items():
a =... | output | 1 | 79,142 | 20 | 158,285 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
At a break Vanya came to the class and saw an array of n k-bit integers a_1, a_2, …, a_n on the board. An integer x is called a k-bit integer if 0 ≤ x ≤ 2^k - 1.
Of course, Vanya was not able ... | instruction | 0 | 79,143 | 20 | 158,286 |
Yes | output | 1 | 79,143 | 20 | 158,287 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
At a break Vanya came to the class and saw an array of n k-bit integers a_1, a_2, …, a_n on the board. An integer x is called a k-bit integer if 0 ≤ x ≤ 2^k - 1.
Of course, Vanya was not able ... | instruction | 0 | 79,144 | 20 | 158,288 |
Yes | output | 1 | 79,144 | 20 | 158,289 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
At a break Vanya came to the class and saw an array of n k-bit integers a_1, a_2, …, a_n on the board. An integer x is called a k-bit integer if 0 ≤ x ≤ 2^k - 1.
Of course, Vanya was not able ... | instruction | 0 | 79,145 | 20 | 158,290 |
Yes | output | 1 | 79,145 | 20 | 158,291 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
At a break Vanya came to the class and saw an array of n k-bit integers a_1, a_2, …, a_n on the board. An integer x is called a k-bit integer if 0 ≤ x ≤ 2^k - 1.
Of course, Vanya was not able ... | instruction | 0 | 79,146 | 20 | 158,292 |
Yes | output | 1 | 79,146 | 20 | 158,293 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
At a break Vanya came to the class and saw an array of n k-bit integers a_1, a_2, …, a_n on the board. An integer x is called a k-bit integer if 0 ≤ x ≤ 2^k - 1.
Of course, Vanya was not able ... | instruction | 0 | 79,147 | 20 | 158,294 |
No | output | 1 | 79,147 | 20 | 158,295 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
At a break Vanya came to the class and saw an array of n k-bit integers a_1, a_2, …, a_n on the board. An integer x is called a k-bit integer if 0 ≤ x ≤ 2^k - 1.
Of course, Vanya was not able ... | instruction | 0 | 79,148 | 20 | 158,296 |
No | output | 1 | 79,148 | 20 | 158,297 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
At a break Vanya came to the class and saw an array of n k-bit integers a_1, a_2, …, a_n on the board. An integer x is called a k-bit integer if 0 ≤ x ≤ 2^k - 1.
Of course, Vanya was not able ... | instruction | 0 | 79,149 | 20 | 158,298 |
No | output | 1 | 79,149 | 20 | 158,299 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
At a break Vanya came to the class and saw an array of n k-bit integers a_1, a_2, …, a_n on the board. An integer x is called a k-bit integer if 0 ≤ x ≤ 2^k - 1.
Of course, Vanya was not able ... | instruction | 0 | 79,150 | 20 | 158,300 |
No | output | 1 | 79,150 | 20 | 158,301 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The well-known Fibonacci sequence F_0, F_1, F_2,… is defined as follows:
* F_0 = 0, F_1 = 1.
* For each i ≥ 2: F_i = F_{i - 1} + F_{i - 2}.
Given an increasing arithmetic sequence of positive integers with n elements: (a, a + d, ... | instruction | 0 | 79,267 | 20 | 158,534 |
Tags: constructive algorithms, number theory
Correct Solution:
```
n, a, d = map(int, input().split());
pis = 12 * 1000000000;
bas = 368131125;
print((bas * a) % (1000000000) * pis + 1, (bas * d) % (1000000000) * pis);
``` | output | 1 | 79,267 | 20 | 158,535 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The well-known Fibonacci sequence F_0, F_1, F_2,… is defined as follows:
* F_0 = 0, F_1 = 1.
* For each i ≥ 2: F_i = F_{i - 1} + F_{i - 2}.
Given an increasing arithmetic sequence of positive integers with n elements: (a, a + d, ... | instruction | 0 | 79,268 | 20 | 158,536 |
Tags: constructive algorithms, number theory
Correct Solution:
```
val = 3337867500
n,a,d = map(int, input().split())
print(val * a, val * d)
``` | output | 1 | 79,268 | 20 | 158,537 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The well-known Fibonacci sequence F_0, F_1, F_2,… is defined as follows:
* F_0 = 0, F_1 = 1.
* For each i ≥ 2: F_i = F_{i - 1} + F_{i - 2}.
Given an increasing arithmetic sequence of positive integers with n elements: (a, a + d, ... | instruction | 0 | 79,269 | 20 | 158,538 |
Tags: constructive algorithms, number theory
Correct Solution:
```
v=708786750000
n,a,d=map(int,input().split())
print(v*a,v*d)
``` | output | 1 | 79,269 | 20 | 158,539 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The well-known Fibonacci sequence F_0, F_1, F_2,… is defined as follows:
* F_0 = 0, F_1 = 1.
* For each i ≥ 2: F_i = F_{i - 1} + F_{i - 2}.
Given an increasing arithmetic sequence of positive integers with n elements: (a, a + d, ... | instruction | 0 | 79,270 | 20 | 158,540 |
Tags: constructive algorithms, number theory
Correct Solution:
```
n,a,d = map(int,input().split())
it = 114945049
N = 12*(10**9)
u = 125*a*it%(10**9)
v = 125*d*it%(10**9)
print(u*N+1,v*N)
``` | output | 1 | 79,270 | 20 | 158,541 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The well-known Fibonacci sequence F_0, F_1, F_2,… is defined as follows:
* F_0 = 0, F_1 = 1.
* For each i ≥ 2: F_i = F_{i - 1} + F_{i - 2}.
Given an increasing arithmetic sequence of positive integers with n elements: (a, a + d, ... | instruction | 0 | 79,271 | 20 | 158,542 |
Tags: constructive algorithms, number theory
Correct Solution:
```
n,a,d = map(int,input().split())
it = 614945049
N = 3*(10**9)//2
u = a*it%(10**9)
v = d*it%(10**9)
print(u*N+1,v*N)
``` | output | 1 | 79,271 | 20 | 158,543 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The well-known Fibonacci sequence F_0, F_1, F_2,… is defined as follows:
* F_0 = 0, F_1 = 1.
* For each i ≥ 2: F_i = F_{i - 1} + F_{i - 2}.
Given an increasing arithmetic sequence of positive integers with n elements: (a, a + d, ... | instruction | 0 | 79,272 | 20 | 158,544 |
Tags: constructive algorithms, number theory
Correct Solution:
```
_, a, d = map(int, input().split())
ten_k = 10 ** 9
n = 12 * ten_k
# F(n + 1) === 673419592000000001
# t = 84177449
t_inv = 1114945049
u = 125 * a * t_inv % ten_k
v = 125 * d * t_inv % ten_k
b = u * n + 1
e = v * n
print(b, e)
``` | output | 1 | 79,272 | 20 | 158,545 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The well-known Fibonacci sequence F_0, F_1, F_2,… is defined as follows:
* F_0 = 0, F_1 = 1.
* For each i ≥ 2: F_i = F_{i - 1} + F_{i - 2}.
Given an increasing arithmetic sequence of positive integers with n elements: (a, a + d, ... | instruction | 0 | 79,273 | 20 | 158,546 |
Tags: constructive algorithms, number theory
Correct Solution:
```
v,m=3337867500,15*10**9
n,a,d=map(int,input().split())
print(v*a%m,v*d%m)
``` | output | 1 | 79,273 | 20 | 158,547 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The well-known Fibonacci sequence F_0, F_1, F_2,… is defined as follows:
* F_0 = 0, F_1 = 1.
* For each i ≥ 2: F_i = F_{i - 1} + F_{i - 2}.
Given an increasing arithmetic sequence of positive integers with n elements: (a, a + d, ... | instruction | 0 | 79,274 | 20 | 158,548 |
Tags: constructive algorithms, number theory
Correct Solution:
```
value=3337867500;
a,b,c=map(int,input().split());
print(value*b,value*c);
``` | output | 1 | 79,274 | 20 | 158,549 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The well-known Fibonacci sequence F_0, F_1, F_2,… is defined as follows:
* F_0 = 0, F_1 = 1.
* For each i ≥ 2: F_i = F_{i - 1} + F_{i - 2}.
Given an increasing arithmetic sequence of... | instruction | 0 | 79,276 | 20 | 158,552 |
Yes | output | 1 | 79,276 | 20 | 158,553 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The well-known Fibonacci sequence F_0, F_1, F_2,… is defined as follows:
* F_0 = 0, F_1 = 1.
* For each i ≥ 2: F_i = F_{i - 1} + F_{i - 2}.
Given an increasing arithmetic sequence of... | instruction | 0 | 79,277 | 20 | 158,554 |
Yes | output | 1 | 79,277 | 20 | 158,555 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The well-known Fibonacci sequence F_0, F_1, F_2,… is defined as follows:
* F_0 = 0, F_1 = 1.
* For each i ≥ 2: F_i = F_{i - 1} + F_{i - 2}.
Given an increasing arithmetic sequence of... | instruction | 0 | 79,278 | 20 | 158,556 |
Yes | output | 1 | 79,278 | 20 | 158,557 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The well-known Fibonacci sequence F_0, F_1, F_2,… is defined as follows:
* F_0 = 0, F_1 = 1.
* For each i ≥ 2: F_i = F_{i - 1} + F_{i - 2}.
Given an increasing arithmetic sequence of... | instruction | 0 | 79,280 | 20 | 158,560 |
No | output | 1 | 79,280 | 20 | 158,561 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The well-known Fibonacci sequence F_0, F_1, F_2,… is defined as follows:
* F_0 = 0, F_1 = 1.
* For each i ≥ 2: F_i = F_{i - 1} + F_{i - 2}.
Given an increasing arithmetic sequence of... | instruction | 0 | 79,282 | 20 | 158,564 |
No | output | 1 | 79,282 | 20 | 158,565 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vitaly is a very weird man. He's got two favorite digits a and b. Vitaly calls a positive integer good, if the decimal representation of this integer only contains digits a and b. Vitaly calls a good number excellent, if the sum of its digit... | instruction | 0 | 79,418 | 20 | 158,836 |
Tags: brute force, combinatorics
Correct Solution:
```
a,b,n = map(int,input().split())
m =1000000007
fact = [1]
for i in range(1,n+1):
fact.append((fact[-1]*i)%m)
ans = 0
for i in range(n+1):
su = (a*i) + b*(n-i)
coef = 1
while(su>0):
if(su%10 != a and su%10!=b):
coef = 0;
... | output | 1 | 79,418 | 20 | 158,837 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vitaly is a very weird man. He's got two favorite digits a and b. Vitaly calls a positive integer good, if the decimal representation of this integer only contains digits a and b. Vitaly calls a good number excellent, if the sum of its digit... | instruction | 0 | 79,419 | 20 | 158,838 |
Tags: brute force, combinatorics
Correct Solution:
```
MOD = int(1e9+7)
def fast_power(b, e):
res = 1
while e > 0:
if e % 2 == 1:
res = res * b % MOD
b = b * b % MOD
e //= 2
return res
a, b, n = map(int, input().split())
s, res = set(), 0
for x in range(2, 1 << 8):
... | output | 1 | 79,419 | 20 | 158,839 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vitaly is a very weird man. He's got two favorite digits a and b. Vitaly calls a positive integer good, if the decimal representation of this integer only contains digits a and b. Vitaly calls a good number excellent, if the sum of its digit... | instruction | 0 | 79,420 | 20 | 158,840 |
Tags: brute force, combinatorics
Correct Solution:
```
import sys
import itertools as it
import math as mt
import collections as cc
I=lambda:list(map(int,input().split()))
a,b,n=I()
fact=[1]*(n+1)
mod=10**9+7
for i in range(1,n+1):
fact[i]=fact[i-1]*i
fact[i]%=mod
def ch(n,a,b):
f=1
while n:
if n%10!=a and n%10!... | output | 1 | 79,420 | 20 | 158,841 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vitaly is a very weird man. He's got two favorite digits a and b. Vitaly calls a positive integer good, if the decimal representation of this integer only contains digits a and b. Vitaly calls a good number excellent, if the sum of its digit... | instruction | 0 | 79,421 | 20 | 158,842 |
Tags: brute force, combinatorics
Correct Solution:
```
a,b,n=map(int,input().split())
def ok(s):
# print('sum',s)
while s:
if s%10!=a and s%10!=b:
return False
s=int(s/10)
# print('ok')
return True
ans=0
p=int(1e9+7)
A=[1]
for i in range(1,n+1):
A.append(int(i*A[i-1]%p)... | output | 1 | 79,421 | 20 | 158,843 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vitaly is a very weird man. He's got two favorite digits a and b. Vitaly calls a positive integer good, if the decimal representation of this integer only contains digits a and b. Vitaly calls a good number excellent, if the sum of its digit... | instruction | 0 | 79,422 | 20 | 158,844 |
Tags: brute force, combinatorics
Correct Solution:
```
def egcd(a, b):
if a == 0:
return (b, 0, 1)
else:
g, y, x = egcd(b % a, a)
return (g, x - (b // a) * y, y)
def modinv(a, m):
g, x, y = egcd(a, m)
return x % m
a, b, n = map(int, input().split())
c = str(a) + str(b)
f, mod, ... | output | 1 | 79,422 | 20 | 158,845 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vitaly is a very weird man. He's got two favorite digits a and b. Vitaly calls a positive integer good, if the decimal representation of this integer only contains digits a and b. Vitaly calls a good number excellent, if the sum of its digit... | instruction | 0 | 79,423 | 20 | 158,846 |
Tags: brute force, combinatorics
Correct Solution:
```
fact = [1]
mod = 10**9 + 7
def factorial(n):
global mod
global fact
fact = [1]
mod = 10**9 + 7
for i in range(1,n+1):
fact.append(fact[-1] * i)
fact[-1] %= mod
def C(n,k):
global mod
return (((fact[n]*pow(fact[k],mod-2... | output | 1 | 79,423 | 20 | 158,847 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vitaly is a very weird man. He's got two favorite digits a and b. Vitaly calls a positive integer good, if the decimal representation of this integer only contains digits a and b. Vitaly calls a good number excellent, if the sum of its digit... | instruction | 0 | 79,424 | 20 | 158,848 |
Tags: brute force, combinatorics
Correct Solution:
```
#------------------------template--------------------------#
import os
import sys
# from math import *
from collections import *
# from fractions import *
# from heapq import*
from bisect import *
from io import BytesIO, IOBase
def vsInput():
sys.stdin = open('... | output | 1 | 79,424 | 20 | 158,849 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vitaly is a very weird man. He's got two favorite digits a and b. Vitaly calls a positive integer good, if the decimal representation of this integer only contains digits a and b. Vitaly calls a good number excellent, if the sum of its digit... | instruction | 0 | 79,425 | 20 | 158,850 |
Tags: brute force, combinatorics
Correct Solution:
```
a,b,n=map(int,input().split())
import sys
input=sys.stdin.readline
p=(10**9)+7
pri=p
fac=[1 for i in range((10**6)+1)]
for i in range(2,len(fac)):
fac[i]=(fac[i-1]*(i%pri))%pri
def modi(x):
return (pow(x,p-2,p))%p;
def ncr(n,r):
x=(fac[n]*((modi(f... | output | 1 | 79,425 | 20 | 158,851 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vitaly is a very weird man. He's got two favorite digits a and b. Vitaly calls a positive integer good, if the decimal representation of this integer only contains digits a and b. Vitaly calls a... | instruction | 0 | 79,426 | 20 | 158,852 |
Yes | output | 1 | 79,426 | 20 | 158,853 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vitaly is a very weird man. He's got two favorite digits a and b. Vitaly calls a positive integer good, if the decimal representation of this integer only contains digits a and b. Vitaly calls a... | instruction | 0 | 79,427 | 20 | 158,854 |
Yes | output | 1 | 79,427 | 20 | 158,855 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vitaly is a very weird man. He's got two favorite digits a and b. Vitaly calls a positive integer good, if the decimal representation of this integer only contains digits a and b. Vitaly calls a... | instruction | 0 | 79,428 | 20 | 158,856 |
Yes | output | 1 | 79,428 | 20 | 158,857 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vitaly is a very weird man. He's got two favorite digits a and b. Vitaly calls a positive integer good, if the decimal representation of this integer only contains digits a and b. Vitaly calls a... | instruction | 0 | 79,429 | 20 | 158,858 |
Yes | output | 1 | 79,429 | 20 | 158,859 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vitaly is a very weird man. He's got two favorite digits a and b. Vitaly calls a positive integer good, if the decimal representation of this integer only contains digits a and b. Vitaly calls a... | instruction | 0 | 79,430 | 20 | 158,860 |
No | output | 1 | 79,430 | 20 | 158,861 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vitaly is a very weird man. He's got two favorite digits a and b. Vitaly calls a positive integer good, if the decimal representation of this integer only contains digits a and b. Vitaly calls a... | instruction | 0 | 79,431 | 20 | 158,862 |
No | output | 1 | 79,431 | 20 | 158,863 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vitaly is a very weird man. He's got two favorite digits a and b. Vitaly calls a positive integer good, if the decimal representation of this integer only contains digits a and b. Vitaly calls a... | instruction | 0 | 79,432 | 20 | 158,864 |
No | output | 1 | 79,432 | 20 | 158,865 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vitaly is a very weird man. He's got two favorite digits a and b. Vitaly calls a positive integer good, if the decimal representation of this integer only contains digits a and b. Vitaly calls a... | instruction | 0 | 79,433 | 20 | 158,866 |
No | output | 1 | 79,433 | 20 | 158,867 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Igor has fallen in love with Tanya. Now Igor wants to show his feelings and write a number on the fence opposite to Tanya's house. Igor thinks that the larger the number is, the more chance to win Tanya's heart he has.
Unfortunately, Igor ... | instruction | 0 | 79,450 | 20 | 158,900 |
Tags: data structures, dp, greedy, implementation
Correct Solution:
```
n=int(input())
Ar=[int(x) for x in input().split()]
A=[]
m=min(Ar)
# print(m)
for i in range(9):
# print(i)
if Ar[i]==m:
A.append(i+1)
# print(A)
if m<=n:
k=n//m
p=list(str(A[-1])*(k))
# print(p)
remain=n-(k*... | output | 1 | 79,450 | 20 | 158,901 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Igor has fallen in love with Tanya. Now Igor wants to show his feelings and write a number on the fence opposite to Tanya's house. Igor thinks that the larger the number is, the more chance to win Tanya's heart he has.
Unfortunately, Igor ... | instruction | 0 | 79,451 | 20 | 158,902 |
Tags: data structures, dp, greedy, implementation
Correct Solution:
```
import sys
import math as mt
import bisect
#input=sys.stdin.readline
#t=int(input())
t=1
def ncr_util():
inv[0]=inv[1]=1
fact[0]=fact[1]=1
for i in range(2,300001):
inv[i]=(inv[i%p]*(p-p//i))%p
for i in range(1,300001):... | output | 1 | 79,451 | 20 | 158,903 |
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