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 |
|---|---|---|---|---|---|
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A number is called 2050-number if it is 2050, 20500, ..., (2050 ⋅ 10^k for integer k ≥ 0).
Given a number n, you are asked to represent n as the sum of some (not necessarily distinct) 2050-numb... | instruction | 0 | 73,585 | 20 | 147,170 |
Yes | output | 1 | 73,585 | 20 | 147,171 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A number is called 2050-number if it is 2050, 20500, ..., (2050 ⋅ 10^k for integer k ≥ 0).
Given a number n, you are asked to represent n as the sum of some (not necessarily distinct) 2050-numb... | instruction | 0 | 73,586 | 20 | 147,172 |
Yes | output | 1 | 73,586 | 20 | 147,173 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A number is called 2050-number if it is 2050, 20500, ..., (2050 ⋅ 10^k for integer k ≥ 0).
Given a number n, you are asked to represent n as the sum of some (not necessarily distinct) 2050-numb... | instruction | 0 | 73,589 | 20 | 147,178 |
No | output | 1 | 73,589 | 20 | 147,179 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A number is called 2050-number if it is 2050, 20500, ..., (2050 ⋅ 10^k for integer k ≥ 0).
Given a number n, you are asked to represent n as the sum of some (not necessarily distinct) 2050-numb... | instruction | 0 | 73,590 | 20 | 147,180 |
No | output | 1 | 73,590 | 20 | 147,181 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A number is called 2050-number if it is 2050, 20500, ..., (2050 ⋅ 10^k for integer k ≥ 0).
Given a number n, you are asked to represent n as the sum of some (not necessarily distinct) 2050-numb... | instruction | 0 | 73,591 | 20 | 147,182 |
No | output | 1 | 73,591 | 20 | 147,183 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Input
The only line of input contains three integers a1, a2, a3 (1 ≤ a1, a2, a3 ≤ 20), separated by spaces.
Output
Output a single integer.
Examples
Input
2 3 2
Output
5
Input
13 14 1
Output
14
Input
14 5 9
Output
464
... | instruction | 0 | 73,597 | 20 | 147,194 |
Tags: *special
Correct Solution:
```
#!/usr/bin/env python
from __future__ import division, print_function
import math
import os
import sys
from fractions import *
from sys import *
from io import BytesIO, IOBase
from itertools import *
from collections import *
# sys.setrecursionlimit(10**5)
if sys.version_info[0] ... | output | 1 | 73,597 | 20 | 147,195 |
Provide tags and a correct Python 3 solution for this coding contest problem.
In this problem you are to calculate the sum of all integers from 1 to n, but you should take all powers of two with minus in the sum.
For example, for n = 4 the sum is equal to - 1 - 2 + 3 - 4 = - 4, because 1, 2 and 4 are 20, 21 and 22 r... | instruction | 0 | 73,742 | 20 | 147,484 |
Tags: math
Correct Solution:
```
def imprime(n):
b = format(n, 'b')
m = len(b) #última potência de 2 cheia
#soma PA1 - somaPG1 - somaPG2
print(int((1+n)*n//2 - (2**m - 1)*2))
t = int(input())
n = [0]*t
for i in range(t):
n[i] = int(input())
for i in range(t):
imprime(n[i])
``` | output | 1 | 73,742 | 20 | 147,485 |
Provide tags and a correct Python 3 solution for this coding contest problem.
In this problem you are to calculate the sum of all integers from 1 to n, but you should take all powers of two with minus in the sum.
For example, for n = 4 the sum is equal to - 1 - 2 + 3 - 4 = - 4, because 1, 2 and 4 are 20, 21 and 22 r... | instruction | 0 | 73,743 | 20 | 147,486 |
Tags: math
Correct Solution:
```
n = int(input())
result = ''
for i in range(n):
t = int(input())
s = (t + 1) * t // 2
cur2 = 1
#curstepen2 = 1
while cur2<=t:
s -= cur2 * 2
cur2*=2
result+=str(s)+'\n'
print(result)
``` | output | 1 | 73,743 | 20 | 147,487 |
Provide tags and a correct Python 3 solution for this coding contest problem.
In this problem you are to calculate the sum of all integers from 1 to n, but you should take all powers of two with minus in the sum.
For example, for n = 4 the sum is equal to - 1 - 2 + 3 - 4 = - 4, because 1, 2 and 4 are 20, 21 and 22 r... | instruction | 0 | 73,745 | 20 | 147,490 |
Tags: math
Correct Solution:
```
n = int(input())
for i in range(n):
t = int(input())
bint = str(bin(t))[2:]
pows = len(bint) - 1
print((1 + t) * t // 2 - (-1 + 2 ** (pows + 1)) * 2)
``` | output | 1 | 73,745 | 20 | 147,491 |
Provide tags and a correct Python 3 solution for this coding contest problem.
In this problem you are to calculate the sum of all integers from 1 to n, but you should take all powers of two with minus in the sum.
For example, for n = 4 the sum is equal to - 1 - 2 + 3 - 4 = - 4, because 1, 2 and 4 are 20, 21 and 22 r... | instruction | 0 | 73,747 | 20 | 147,494 |
Tags: math
Correct Solution:
```
import math
t = int(input())
for _ in range(t):
num=int(input())
gpn=math.floor((math.log(num)/math.log(2))+1)
#print(num,gpn)
nsum=(num*(num+1))//2
gpsum=(pow(2,gpn)-1)
print(int(nsum-2*(gpsum)))
#print(nsum,gpsum)
``` | output | 1 | 73,747 | 20 | 147,495 |
Provide tags and a correct Python 3 solution for this coding contest problem.
In this problem you are to calculate the sum of all integers from 1 to n, but you should take all powers of two with minus in the sum.
For example, for n = 4 the sum is equal to - 1 - 2 + 3 - 4 = - 4, because 1, 2 and 4 are 20, 21 and 22 r... | instruction | 0 | 73,748 | 20 | 147,496 |
Tags: math
Correct Solution:
```
t = int(input())
while t:
f = int(input())
n = 1
t_total = 0
n_total = (((1 + f)*(f))//2)
while n < f+1:
t_total += n
n = n * 2
t_total = t_total
print(n_total - 2* t_total )
t-=1
``` | output | 1 | 73,748 | 20 | 147,497 |
Provide tags and a correct Python 3 solution for this coding contest problem.
In this problem you are to calculate the sum of all integers from 1 to n, but you should take all powers of two with minus in the sum.
For example, for n = 4 the sum is equal to - 1 - 2 + 3 - 4 = - 4, because 1, 2 and 4 are 20, 21 and 22 r... | instruction | 0 | 73,749 | 20 | 147,498 |
Tags: math
Correct Solution:
```
p=int(input())
for q in range(p):
n=int(input())
sum=n*(n+1)//2
b=bin(n)[2:]
l=len(b)
t=0
for i in range(l):
t+=int(('1'+"0"*i),2)
print(sum-2*t)
``` | output | 1 | 73,749 | 20 | 147,499 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The marmots have prepared a very easy problem for this year's HC2 – this one. It involves numbers n, k and a sequence of n positive integers a1, a2, ..., an. They also came up with a beautiful and riveting story for the problem statement. It... | instruction | 0 | 73,829 | 20 | 147,658 |
Tags: greedy, sortings
Correct Solution:
```
a = input()
n, k = map(int, a.split())
b = input()
numbers = list(map(int, b.split()))
print(sum(sorted(numbers)[0:k]))
``` | output | 1 | 73,829 | 20 | 147,659 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The marmots have prepared a very easy problem for this year's HC2 – this one. It involves numbers n, k and a sequence of n positive integers a1, a2, ..., an. They also came up with a beautiful and riveting story for the problem statement. It... | instruction | 0 | 73,831 | 20 | 147,662 |
Tags: greedy, sortings
Correct Solution:
```
f = lambda: map(int, input().split())
n, k = f()
print(sum(sorted(f())[:k]))
``` | output | 1 | 73,831 | 20 | 147,663 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The marmots have prepared a very easy problem for this year's HC2 – this one. It involves numbers n, k and a sequence of n positive integers a1, a2, ..., an. They also came up with a beautiful and riveting story for the problem statement. It... | instruction | 0 | 73,832 | 20 | 147,664 |
Tags: greedy, sortings
Correct Solution:
```
n,k=map(int,input().split())
print(sum(sorted(list(map(int,input().split())))[:k]))
``` | output | 1 | 73,832 | 20 | 147,665 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The marmots have prepared a very easy problem for this year's HC2 – this one. It involves numbers n, k and a sequence of n positive integers a1, a2, ..., an. They also came up with a beautiful and riveting story for the problem statement. It... | instruction | 0 | 73,833 | 20 | 147,666 |
Tags: greedy, sortings
Correct Solution:
```
n, k = map(int, input().split())
a = sorted(list(map(int, input().split())))
print (sum(a[:k]))
``` | output | 1 | 73,833 | 20 | 147,667 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The marmots have prepared a very easy problem for this year's HC2 – this one. It involves numbers n, k and a sequence of n positive integers a1, a2, ..., an. They also came up with a beautiful and riveting story for the problem statement. It... | instruction | 0 | 73,835 | 20 | 147,670 |
Tags: greedy, sortings
Correct Solution:
```
n, k = [int(i) for i in input().split()]
a = [int(i) for i in input().split()]
a.sort()
s = 0
for i in range(k):
s += a[i]
print(s)
``` | output | 1 | 73,835 | 20 | 147,671 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Petya loves lucky numbers. Everybody knows that positive integers are lucky if their decimal representation doesn't contain digits other than 4 and 7. For example, numbers 47, 744, 4 are lucky and 5, 17, 467 are not.
Lucky number is super l... | instruction | 0 | 73,912 | 20 | 147,824 |
Tags: binary search, bitmasks, brute force
Correct Solution:
```
lucky=[]
def func(number,fours,sevens):
if(number>1e10):
return
elif(fours==sevens):
lucky.append(number)
func(10*number+7,fours,sevens+1)
func(10*number+4,fours+1,sevens)
func(4,1,0)
func(7,0,1)
n=int(input())
lucky.sort(... | output | 1 | 73,912 | 20 | 147,825 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Petya loves lucky numbers. Everybody knows that positive integers are lucky if their decimal representation doesn't contain digits other than 4 and 7. For example, numbers 47, 744, 4 are lucky and 5, 17, 467 are not.
Lucky number is super l... | instruction | 0 | 73,913 | 20 | 147,826 |
Tags: binary search, bitmasks, brute force
Correct Solution:
```
n = int(input())
Q = [0]
i = 0
while True:
t = Q[i]
if t>=n:
if str(t).count('4') == str(t).count('7'):
print(t)
break
Q+=[t*10+4,t*10+7]
i+=1
``` | output | 1 | 73,913 | 20 | 147,827 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Petya loves lucky numbers. Everybody knows that positive integers are lucky if their decimal representation doesn't contain digits other than 4 and 7. For example, numbers 47, 744, 4 are lucky and 5, 17, 467 are not.
Lucky number is super l... | instruction | 0 | 73,914 | 20 | 147,828 |
Tags: binary search, bitmasks, brute force
Correct Solution:
```
from itertools import permutations
def solve(x):
for d in range(1, 6):
for p in permutations([4]*d + [7]*d):
y = 0
for e in p:
y = 10 * y + e
if y >= x:
return y
print(sol... | output | 1 | 73,914 | 20 | 147,829 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Petya loves lucky numbers. Everybody knows that positive integers are lucky if their decimal representation doesn't contain digits other than 4 and 7. For example, numbers 47, 744, 4 are lucky and 5, 17, 467 are not.
Lucky number is super l... | instruction | 0 | 73,915 | 20 | 147,830 |
Tags: binary search, bitmasks, brute force
Correct Solution:
```
n=int(input())
l=[]
def lucky(x):
if x>=n and str(x).count('4')==str(x).count('7'):
l.append(x)
if x<10**12:
lucky(x*10+4)
lucky(x*10+7)
lucky(0)
l.sort()
print(l[0])
``` | output | 1 | 73,915 | 20 | 147,831 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Petya loves lucky numbers. Everybody knows that positive integers are lucky if their decimal representation doesn't contain digits other than 4 and 7. For example, numbers 47, 744, 4 are lucky and 5, 17, 467 are not.
Lucky number is super l... | instruction | 0 | 73,916 | 20 | 147,832 |
Tags: binary search, bitmasks, brute force
Correct Solution:
```
import math, re, sys, string, operator, functools, fractions, collections
sys.setrecursionlimit(10**7)
RI=lambda x=' ': list(map(int,input().split(x)))
RS=lambda x=' ': input().rstrip().split(x)
dX= [-1, 1, 0, 0,-1, 1,-1, 1]
dY= [ 0, 0,-1, 1, 1,-1,-1, 1]
... | output | 1 | 73,916 | 20 | 147,833 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Petya loves lucky numbers. Everybody knows that positive integers are lucky if their decimal representation doesn't contain digits other than 4 and 7. For example, numbers 47, 744, 4 are lucky and 5, 17, 467 are not.
Lucky number is super l... | instruction | 0 | 73,917 | 20 | 147,834 |
Tags: binary search, bitmasks, brute force
Correct Solution:
```
n=int(input())
l=[0]
i=0
while True:
t=l[i]
if t>=n:
if str(t).count('7')==str(t).count('4'):
print(t);break
l+=[t*10+4,t*10+7]
i+=1
``` | output | 1 | 73,917 | 20 | 147,835 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Petya loves lucky numbers. Everybody knows that positive integers are lucky if their decimal representation doesn't contain digits other than 4 and 7. For example, numbers 47, 744, 4 are lucky and 5, 17, 467 are not.
Lucky number is super l... | instruction | 0 | 73,918 | 20 | 147,836 |
Tags: binary search, bitmasks, brute force
Correct Solution:
```
def check(m):
if (m>=n) and str(m).count('4') == str(m).count('7'):
a.append(m)
if (m<10**12):
check(m*10+4)
check(m*10+7)
n = int(input())
a=[]
check(0)
a.sort()
print(a[0])
``` | output | 1 | 73,918 | 20 | 147,837 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Petya loves lucky numbers. Everybody knows that positive integers are lucky if their decimal representation doesn't contain digits other than 4 and 7. For example, numbers 47, 744, 4 are lucky and 5, 17, 467 are not.
Lucky number is super l... | instruction | 0 | 73,919 | 20 | 147,838 |
Tags: binary search, bitmasks, brute force
Correct Solution:
```
z=[]
for i in range(1,11):
for j in range(1<<i):
s=bin(j)
s=s[2:]
if s.count("1")==s.count("0"):z+=[int(s.replace("1","4").replace("0","7"))]+[int(s.replace("1","7").replace("0","4"))]
z.sort()
a=int(input())
for i in z:
if... | output | 1 | 73,919 | 20 | 147,839 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Petya loves lucky numbers. Everybody knows that positive integers are lucky if their decimal representation doesn't contain digits other than 4 and 7. For example, numbers 47, 744, 4 are lucky a... | instruction | 0 | 73,920 | 20 | 147,840 |
Yes | output | 1 | 73,920 | 20 | 147,841 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Petya loves lucky numbers. Everybody knows that positive integers are lucky if their decimal representation doesn't contain digits other than 4 and 7. For example, numbers 47, 744, 4 are lucky a... | instruction | 0 | 73,921 | 20 | 147,842 |
Yes | output | 1 | 73,921 | 20 | 147,843 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Petya loves lucky numbers. Everybody knows that positive integers are lucky if their decimal representation doesn't contain digits other than 4 and 7. For example, numbers 47, 744, 4 are lucky a... | instruction | 0 | 73,922 | 20 | 147,844 |
Yes | output | 1 | 73,922 | 20 | 147,845 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Petya loves lucky numbers. Everybody knows that positive integers are lucky if their decimal representation doesn't contain digits other than 4 and 7. For example, numbers 47, 744, 4 are lucky a... | instruction | 0 | 73,923 | 20 | 147,846 |
Yes | output | 1 | 73,923 | 20 | 147,847 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Petya loves lucky numbers. Everybody knows that positive integers are lucky if their decimal representation doesn't contain digits other than 4 and 7. For example, numbers 47, 744, 4 are lucky a... | instruction | 0 | 73,924 | 20 | 147,848 |
No | output | 1 | 73,924 | 20 | 147,849 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Petya loves lucky numbers. Everybody knows that positive integers are lucky if their decimal representation doesn't contain digits other than 4 and 7. For example, numbers 47, 744, 4 are lucky a... | instruction | 0 | 73,925 | 20 | 147,850 |
No | output | 1 | 73,925 | 20 | 147,851 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Petya loves lucky numbers. Everybody knows that positive integers are lucky if their decimal representation doesn't contain digits other than 4 and 7. For example, numbers 47, 744, 4 are lucky a... | instruction | 0 | 73,926 | 20 | 147,852 |
No | output | 1 | 73,926 | 20 | 147,853 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Petya loves lucky numbers. Everybody knows that positive integers are lucky if their decimal representation doesn't contain digits other than 4 and 7. For example, numbers 47, 744, 4 are lucky a... | instruction | 0 | 73,927 | 20 | 147,854 |
No | output | 1 | 73,927 | 20 | 147,855 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Petya and Vasya are competing with each other in a new interesting game as they always do.
At the beginning of the game Petya has to come up with an array of N positive integers. Sum of all elements in his array should be equal to S. Then P... | instruction | 0 | 74,312 | 20 | 148,624 |
Tags: constructive algorithms, math
Correct Solution:
```
# -*- coding: utf-8 -*-
"""
Created on Mon Aug 24 07:01:34 2020
@author: Dark Soul
"""
[n,s]=list(map(int, input().split()))
if 2*n>s:
print('NO')
else:
print('YES')
sol=[1]*(n-1)
sol.append(s-n+1)
print(*sol)
print(n)
``` | output | 1 | 74,312 | 20 | 148,625 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two very long integers a, b (leading zeroes are allowed). You should check what number a or b is greater or determine that they are equal.
The input size is very large so don't use the reading of symbols one by one. Instead of... | instruction | 0 | 74,572 | 20 | 149,144 |
Tags: implementation, strings
Correct Solution:
```
# your code goes here
a = (input())
b = (input())
j = 0
for i in range(len(a)):
if a[i] == '0':
j+=1
else:
break
a = a[j:]
j = 0
for i in range(len(b)):
if b[i] == '0':
j+=1
else:
break
b = b[j:]
flag = 0
if len(a)> len(b):
print (">")
elif len(a)<len(b... | output | 1 | 74,572 | 20 | 149,145 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two very long integers a, b (leading zeroes are allowed). You should check what number a or b is greater or determine that they are equal.
The input size is very large so don't use the reading of symbols one by one. Instead of... | instruction | 0 | 74,573 | 20 | 149,146 |
Tags: implementation, strings
Correct Solution:
```
aa = input()
bb = input()
cta = 0
ctb = 0
start = False
for let in aa:
if let == "0":
cta += 1
if let != "0":
break
for let in bb:
if let == "0":
ctb += 1
if let != "0":
break
start = False
a = aa[cta:]
b = bb[ctb:]
... | output | 1 | 74,573 | 20 | 149,147 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two very long integers a, b (leading zeroes are allowed). You should check what number a or b is greater or determine that they are equal.
The input size is very large so don't use the reading of symbols one by one. Instead of... | instruction | 0 | 74,574 | 20 | 149,148 |
Tags: implementation, strings
Correct Solution:
```
first_integer = input()
second_integer = input()
len_first = len(first_integer)
len_second = len(second_integer)
max_len = max(len_first, len_second)
if len_first < len_second:
first_integer = '0' * (len_second - len_first) + first_integer
elif len_first > len_sec... | output | 1 | 74,574 | 20 | 149,149 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two very long integers a, b (leading zeroes are allowed). You should check what number a or b is greater or determine that they are equal.
The input size is very large so don't use the reading of symbols one by one. Instead of... | instruction | 0 | 74,575 | 20 | 149,150 |
Tags: implementation, strings
Correct Solution:
```
a = input().lstrip('0')
b = input().lstrip('0')
ans = '='
if len(a) > len(b):
ans = '>'
elif len(a) < len(b):
ans = '<'
else:
for i in range(len(a)):
if int(a[i]) > int(b[i]):
ans = '>'
break
elif int(a[i]) < int(b[i... | output | 1 | 74,575 | 20 | 149,151 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two very long integers a, b (leading zeroes are allowed). You should check what number a or b is greater or determine that they are equal.
The input size is very large so don't use the reading of symbols one by one. Instead of... | instruction | 0 | 74,576 | 20 | 149,152 |
Tags: implementation, strings
Correct Solution:
```
import sys
inst=lambda: sys.stdin.readline().rstrip('\n\r')
inin=lambda: int(sys.stdin.buffer.readline())
inar=lambda: list(map(int,sys.stdin.buffer.readline().split()))
a=input().lstrip('0')
b=input().lstrip('0')
if len(a)<len(b):
print('<')
elif len(a)>len(b):
... | output | 1 | 74,576 | 20 | 149,153 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two very long integers a, b (leading zeroes are allowed). You should check what number a or b is greater or determine that they are equal.
The input size is very large so don't use the reading of symbols one by one. Instead of... | instruction | 0 | 74,577 | 20 | 149,154 |
Tags: implementation, strings
Correct Solution:
```
from sys import stdin, stdout, exit
a = stdin.readline()
b = stdin.readline()
i1 = len(a)
i2 = len(b)
for i in range(len(a)):
if a[i] != '0':
i1 = i
break
for i in range(len(b)):
if b[i] != '0':
i2 = i
break
if len(a) - i1 < len... | output | 1 | 74,577 | 20 | 149,155 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two very long integers a, b (leading zeroes are allowed). You should check what number a or b is greater or determine that they are equal.
The input size is very large so don't use the reading of symbols one by one. Instead of... | instruction | 0 | 74,578 | 20 | 149,156 |
Tags: implementation, strings
Correct Solution:
```
a=input()
b=input()
if a.count('0')==len(a) and b.count('0')==len(b):
print('=')
exit()
a=a.lstrip('0')
b=b.lstrip('0')
if len(a)>len(b):
print('>')
elif len(b)>len(a):
print('<')
else:
for i in range(len(a)):
if int(a[i])>int(b... | output | 1 | 74,578 | 20 | 149,157 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two very long integers a, b (leading zeroes are allowed). You should check what number a or b is greater or determine that they are equal.
The input size is very large so don't use the reading of symbols one by one. Instead of... | instruction | 0 | 74,579 | 20 | 149,158 |
Tags: implementation, strings
Correct Solution:
```
a = input().lstrip('0')
b = input().lstrip('0')
if len(a) == len(b):
if a == b:
print("=")
elif a < b:
print("<")
else:
print(">")
else:
if len(a) < len(b):
print("<")
else:
print(">")
``` | output | 1 | 74,579 | 20 | 149,159 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
problem
AOR Ika-chan, who loves feasts, defined "the number of feasts". A feast number is a natural number that includes "$ 51-3 $" in $ 10 $ decimal notation.
$? $ Can be any number from $ 0 $... | instruction | 0 | 74,918 | 20 | 149,836 |
No | output | 1 | 74,918 | 20 | 149,837 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
problem
AOR Ika-chan, who loves feasts, defined "the number of feasts". A feast number is a natural number that includes "$ 51-3 $" in $ 10 $ decimal notation.
$? $ Can be any number from $ 0 $... | instruction | 0 | 74,919 | 20 | 149,838 |
No | output | 1 | 74,919 | 20 | 149,839 |
Provide a correct Python 3 solution for this coding contest problem.
Problem
Let $ f (x) $ be the sum of each digit when the non-negative integer $ x $ is expressed in binary.
Given a positive integer $ N $, output the largest of $ f (0) $, $ f (1) $, ..., $ f (N) $.
Example of calculating the function $ f (5) $:
W... | instruction | 0 | 74,924 | 20 | 149,848 |
"Correct Solution:
```
from math import *
print(floor(log2(1+int(input()))))
``` | output | 1 | 74,924 | 20 | 149,849 |
Provide a correct Python 3 solution for this coding contest problem.
Problem
Let $ f (x) $ be the sum of each digit when the non-negative integer $ x $ is expressed in binary.
Given a positive integer $ N $, output the largest of $ f (0) $, $ f (1) $, ..., $ f (N) $.
Example of calculating the function $ f (5) $:
W... | instruction | 0 | 74,926 | 20 | 149,852 |
"Correct Solution:
```
import math
print((int)(math.log2(int(input())+1)))
``` | output | 1 | 74,926 | 20 | 149,853 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A triangular number is the number of dots in an equilateral triangle uniformly filled with dots. For example, three dots can be arranged in a triangle; thus three is a triangular number. The n-th triangular number is the number of dots in a ... | instruction | 0 | 75,419 | 20 | 150,838 |
Tags: brute force, math
Correct Solution:
```
# A. Triangular numbers
n = int(input())
s = 0
for i in range(1, n+1):
s += i
if s == n:
print('YES')
break
elif s > n:
print('NO')
break
``` | output | 1 | 75,419 | 20 | 150,839 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A triangular number is the number of dots in an equilateral triangle uniformly filled with dots. For example, three dots can be arranged in a triangle; thus three is a triangular number. The n-th triangular number is the number of dots in a ... | instruction | 0 | 75,420 | 20 | 150,840 |
Tags: brute force, math
Correct Solution:
```
n = int(input())
check = int(-0.5 + ((8*n+1)/4)**0.5)
if check * (check+1) // 2 == n:
print('YES')
else:
print('NO')
``` | output | 1 | 75,420 | 20 | 150,841 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A triangular number is the number of dots in an equilateral triangle uniformly filled with dots. For example, three dots can be arranged in a triangle; thus three is a triangular number. The n-th triangular number is the number of dots in a ... | instruction | 0 | 75,421 | 20 | 150,842 |
Tags: brute force, math
Correct Solution:
```
n=int(input())
c=0
for i in range(1,n+1):
if(n==(i*(i+1))//2):
c=1
break
if(c):
print("YES")
else:
print("NO")
``` | output | 1 | 75,421 | 20 | 150,843 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A triangular number is the number of dots in an equilateral triangle uniformly filled with dots. For example, three dots can be arranged in a triangle; thus three is a triangular number. The n-th triangular number is the number of dots in a ... | instruction | 0 | 75,422 | 20 | 150,844 |
Tags: brute force, math
Correct Solution:
```
x = int(input())
Check = False
for i in range (x+1):
if (i*(i+1))/2 == x :
print("YES")
exit()
print("NO")
``` | output | 1 | 75,422 | 20 | 150,845 |
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