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.
An integer sequence is called beautiful if the difference between any two consecutive numbers is equal to 1. More formally, a sequence s_1, s_2, …, s_{n} is beautiful if |s_i - s_{i+1}| = 1 for ... | instruction | 0 | 76,853 | 20 | 153,706 |
No | output | 1 | 76,853 | 20 | 153,707 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
An integer sequence is called beautiful if the difference between any two consecutive numbers is equal to 1. More formally, a sequence s_1, s_2, …, s_{n} is beautiful if |s_i - s_{i+1}| = 1 for ... | instruction | 0 | 76,854 | 20 | 153,708 |
No | output | 1 | 76,854 | 20 | 153,709 |
Provide tags and a correct Python 3 solution for this coding contest problem.
We'll define S(n) for positive integer n as follows: the number of the n's digits in the decimal base. For example, S(893) = 3, S(114514) = 6.
You want to make a consecutive integer sequence starting from number m (m, m + 1, ...). But you n... | instruction | 0 | 77,065 | 20 | 154,130 |
Tags: binary search, implementation, math
Correct Solution:
```
pow10 = [10**i for i in range(20)]
w, m, k = map(int, input().split())
x = 1
while (m > pow10[x]):
x += 1
if (pow10[x] - m) * x * k >= w:
print(w // (x * k))
exit()
cur = (pow10[x] - m) * x * k
tmp = pow10[x] - m
x += 1
while (cur + 9 * pow10[... | output | 1 | 77,065 | 20 | 154,131 |
Provide tags and a correct Python 3 solution for this coding contest problem.
We'll define S(n) for positive integer n as follows: the number of the n's digits in the decimal base. For example, S(893) = 3, S(114514) = 6.
You want to make a consecutive integer sequence starting from number m (m, m + 1, ...). But you n... | instruction | 0 | 77,066 | 20 | 154,132 |
Tags: binary search, implementation, math
Correct Solution:
```
pow10 = [1 for i in range(19)]
for i in range(1, 19): pow10[i] = pow10[i - 1] * 10
w, m, k = map(int, input().split())
x = 1
while (m > pow10[x]): x += 1
if (pow10[x] - m) * x * k >= w:
print(int((w) / (x * k)))
else:
cur = (pow10[x] - m) * x * k
... | output | 1 | 77,066 | 20 | 154,133 |
Provide tags and a correct Python 3 solution for this coding contest problem.
We'll define S(n) for positive integer n as follows: the number of the n's digits in the decimal base. For example, S(893) = 3, S(114514) = 6.
You want to make a consecutive integer sequence starting from number m (m, m + 1, ...). But you n... | instruction | 0 | 77,067 | 20 | 154,134 |
Tags: binary search, implementation, math
Correct Solution:
```
w,m,k = map(int,input().split())
cur = len(str(m))
g = 9
base = 1
g = g*(10**(cur-1))
base = base*(10**(cur-1))
gg = g - (m - base)
ans = 0
while(w):
if(w>cur*gg*k):
w-=cur*gg*k
ans +=gg
cur+=1
gg = g*10
g*=10
else:
ans += w//(cur*k)
break
... | output | 1 | 77,067 | 20 | 154,135 |
Provide tags and a correct Python 3 solution for this coding contest problem.
We'll define S(n) for positive integer n as follows: the number of the n's digits in the decimal base. For example, S(893) = 3, S(114514) = 6.
You want to make a consecutive integer sequence starting from number m (m, m + 1, ...). But you n... | instruction | 0 | 77,068 | 20 | 154,136 |
Tags: binary search, implementation, math
Correct Solution:
```
lst = input().split()
lst = [int(x) for x in lst]
w, m , k = lst[0], lst[1], lst[2]
idx = 10
ans = 0
start = 1
while idx <= m:
start+=1
idx*=10
while w:
tmpc = start * (idx - m ) * k;
# print(f"{m} {idx} {start} {tmpc}")
if tmpc < w:... | output | 1 | 77,068 | 20 | 154,137 |
Provide tags and a correct Python 3 solution for this coding contest problem.
We'll define S(n) for positive integer n as follows: the number of the n's digits in the decimal base. For example, S(893) = 3, S(114514) = 6.
You want to make a consecutive integer sequence starting from number m (m, m + 1, ...). But you n... | instruction | 0 | 77,069 | 20 | 154,138 |
Tags: binary search, implementation, math
Correct Solution:
```
w, m, k = list(map(int, list(input().split())))
w = w // k
logm = len(str(m))
nextpow = 10 ** (logm) - m
total = 0
while (w >= logm * nextpow):
total += nextpow
w -= logm * nextpow
nextpow = 9*(10**logm)
logm += 1
total += w // logm
print(t... | output | 1 | 77,069 | 20 | 154,139 |
Provide tags and a correct Python 3 solution for this coding contest problem.
We'll define S(n) for positive integer n as follows: the number of the n's digits in the decimal base. For example, S(893) = 3, S(114514) = 6.
You want to make a consecutive integer sequence starting from number m (m, m + 1, ...). But you n... | instruction | 0 | 77,070 | 20 | 154,140 |
Tags: binary search, implementation, math
Correct Solution:
```
w,m,k=map(int,input().split())
ans=0
while w>=len(str(m))*k:
ans+=min(w//(k*len(str(m))),10**len(str(m))-m)
w1=w
m1=m
m+=min(w1//(k*len(str(m1))),10**len(str(m1))-m1)
w-=k*len(str(m1))*min(w1//(k*len(str(m1))),10**len(str(m1))-m1)
#... | output | 1 | 77,070 | 20 | 154,141 |
Provide tags and a correct Python 3 solution for this coding contest problem.
We'll define S(n) for positive integer n as follows: the number of the n's digits in the decimal base. For example, S(893) = 3, S(114514) = 6.
You want to make a consecutive integer sequence starting from number m (m, m + 1, ...). But you n... | instruction | 0 | 77,071 | 20 | 154,142 |
Tags: binary search, implementation, math
Correct Solution:
```
from math import *
w, m, k = list(map(int, input().split()))
cnt = 0
add = 9*10**(-1) if m < 10 else 0
for i in range(int(log10(m)), int(1e10)):
v = (9 * 10**i - (m-1-9*10**(i-1)+add if i == int(log10(m)) else 0)) * (i+1) * k
if w - v < 0:
... | output | 1 | 77,071 | 20 | 154,143 |
Provide tags and a correct Python 3 solution for this coding contest problem.
We'll define S(n) for positive integer n as follows: the number of the n's digits in the decimal base. For example, S(893) = 3, S(114514) = 6.
You want to make a consecutive integer sequence starting from number m (m, m + 1, ...). But you n... | instruction | 0 | 77,072 | 20 | 154,144 |
Tags: binary search, implementation, math
Correct Solution:
```
def cnt(x, y):
return y-x
w, m, k = map(int, input().split())
p, d, res = 1, 0, 0
while p <= m:
p *= 10
d += 1
while cnt(m, p)*d*k <= w:
w -= cnt(m, p)*d*k
res += cnt(m, p)
m = p
p *= 10
d += 1
res += w//(d*k)
print(res)
``` | output | 1 | 77,072 | 20 | 154,145 |
Provide tags and a correct Python 3 solution for this coding contest problem.
IT City company developing computer games decided to upgrade its way to reward its employees. Now it looks the following way. After a new game release users start buying it actively, and the company tracks the number of sales with precision ... | instruction | 0 | 77,151 | 20 | 154,302 |
Tags: math, number theory
Correct Solution:
```
n = int(input())
k = n
k = k-((n//2)+(n//3)+(n//5)+(n//7))
k = k+(n//6+n//10+n//14+n//15+n//21+n//35)
k = k-(n//30+n//42+n//70+n//105)
k = k+n//210
print(k)
#print(n-(((n//2)+(n//3)+(n//5)+(n//7))+((n//6)+n//10+n//14+n//15+n//21+n//35)-(n//30+n//42+n//70+n//105)+n//210))
... | output | 1 | 77,151 | 20 | 154,303 |
Provide tags and a correct Python 3 solution for this coding contest problem.
IT City company developing computer games decided to upgrade its way to reward its employees. Now it looks the following way. After a new game release users start buying it actively, and the company tracks the number of sales with precision ... | instruction | 0 | 77,152 | 20 | 154,304 |
Tags: math, number theory
Correct Solution:
```
import sys
from math import gcd
def read():
return sys.stdin.readline().strip()
def printf(a, sep = ' ', end = '\n'):
sys.stdout.write(sep.join(map(str, a)) + end)
#printf([n])
def readf():
return [int(i) for i in read().split()]
def main():
n = int(re... | output | 1 | 77,152 | 20 | 154,305 |
Provide tags and a correct Python 3 solution for this coding contest problem.
IT City company developing computer games decided to upgrade its way to reward its employees. Now it looks the following way. After a new game release users start buying it actively, and the company tracks the number of sales with precision ... | instruction | 0 | 77,153 | 20 | 154,306 |
Tags: math, number theory
Correct Solution:
```
incl = [2, 3, 5, 7, 30, 42, 70, 105]
excl = [6, 10, 14, 15, 21, 35, 210]
n = int(input())
answ = 0
for k in incl:
answ += n // k
for k in excl:
answ -= n // k
print(n-answ)
``` | output | 1 | 77,153 | 20 | 154,307 |
Provide tags and a correct Python 3 solution for this coding contest problem.
IT City company developing computer games decided to upgrade its way to reward its employees. Now it looks the following way. After a new game release users start buying it actively, and the company tracks the number of sales with precision ... | instruction | 0 | 77,154 | 20 | 154,308 |
Tags: math, number theory
Correct Solution:
```
inp = int(input().strip())
nums = [2,3,5,7]
overlap = [6, 10, 14, 15, 21, 30, 42, 105, 210]
twos = []
threes = []
four = 2 * 3 * 5 * 7
for i in range(len(nums) - 1):
for j in range(i + 1, len(nums)):
twos.append(nums[i] * nums[j])
for i in range(len(num... | output | 1 | 77,154 | 20 | 154,309 |
Provide tags and a correct Python 3 solution for this coding contest problem.
IT City company developing computer games decided to upgrade its way to reward its employees. Now it looks the following way. After a new game release users start buying it actively, and the company tracks the number of sales with precision ... | instruction | 0 | 77,155 | 20 | 154,310 |
Tags: math, number theory
Correct Solution:
```
n = int(input())
a2 = n//2
a3 = n//3
a5 = n//5
a7 = n//7
a6 = n//6
a10 = n//10
a15 = n// 15
a14 = n//14
a21 = n//21
a35 = n//35
a42 = n//42
a30 = n//30
a105 = n//105
a70= n//70
a210 = n//210
ans = a2+a3+a5+a7-a6-a10-a15-a14-a21-a35+a42+a30+a105+a70-a210
res = n-ans
print(... | output | 1 | 77,155 | 20 | 154,311 |
Provide tags and a correct Python 3 solution for this coding contest problem.
IT City company developing computer games decided to upgrade its way to reward its employees. Now it looks the following way. After a new game release users start buying it actively, and the company tracks the number of sales with precision ... | instruction | 0 | 77,156 | 20 | 154,312 |
Tags: math, number theory
Correct Solution:
```
n = int(input())
a = n
a -= n // 2 + n // 3 + n // 5 + n // 7
a += n // 6 + n // 10 + n // 14 + n // 15 + n // 21 + n // 35
a -= n // 30 + n // 42 + n // 70 + n // 105
a += n // 210
print(a)
``` | output | 1 | 77,156 | 20 | 154,313 |
Provide tags and a correct Python 3 solution for this coding contest problem.
IT City company developing computer games decided to upgrade its way to reward its employees. Now it looks the following way. After a new game release users start buying it actively, and the company tracks the number of sales with precision ... | instruction | 0 | 77,157 | 20 | 154,314 |
Tags: math, number theory
Correct Solution:
```
import sys
input=sys.stdin.buffer.readline
n=int(input())
divisable=(n//2)+(n//3)+(n//5)+(n//7)-(n//6)-(n//10)-(n//14)-(n//15)-(n//21)-(n//35)+(n//30)+(n//42)+(n//70)+(n//105)-(n//210)
print(n-divisable)
``` | output | 1 | 77,157 | 20 | 154,315 |
Provide tags and a correct Python 3 solution for this coding contest problem.
IT City company developing computer games decided to upgrade its way to reward its employees. Now it looks the following way. After a new game release users start buying it actively, and the company tracks the number of sales with precision ... | instruction | 0 | 77,158 | 20 | 154,316 |
Tags: math, number theory
Correct Solution:
```
a=int(input());print(a-a//2-a//3-a//5-a//7+a//6+a//10+a//14+a//15+a//21+a//35-a//30-a//105-a//70-a//42+a//210)
``` | output | 1 | 77,158 | 20 | 154,317 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Petya has n positive integers a1, a2, ..., an.
His friend Vasya decided to joke and replaced all digits in Petya's numbers with a letters. He used the lowercase letters of the Latin alphabet from 'a' to 'j' and replaced all digits 0 with o... | instruction | 0 | 77,305 | 20 | 154,610 |
Tags: constructive algorithms, greedy, math
Correct Solution:
```
n = int(input())
coef, s = [0]*10, []
for i in range(n):
s.append(input())
p = 1
for ch in reversed(s[-1]):
coef[ord(ch)-ord('a')] += p
p *= 10
dz = [0]*10
for st in s:
dz[ord(st[0])-ord('a')] = 1
best = -1
for i in range(... | output | 1 | 77,305 | 20 | 154,611 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Petya has n positive integers a1, a2, ..., an.
His friend Vasya decided to joke and replaced all digits in Petya's numbers with a letters. He used the lowercase letters of the Latin alphabet from 'a' to 'j' and replaced all digits 0 with o... | instruction | 0 | 77,306 | 20 | 154,612 |
Tags: constructive algorithms, greedy, math
Correct Solution:
```
from collections import defaultdict
n = int(input())
aa = [input() for i in range(n)]
counts = defaultdict(int)
canBeZero = set('abcdefghij')
for s in aa:
canBeZero = canBeZero - {s[0]}
for p, d in enumerate(reversed(s)):
counts[d] += ... | output | 1 | 77,306 | 20 | 154,613 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Petya has n positive integers a1, a2, ..., an.
His friend Vasya decided to joke and replaced all digits in Petya's numbers with a letters. He used the lowercase letters of the Latin alphabet from 'a' to 'j' and replaced all digits 0 with o... | instruction | 0 | 77,307 | 20 | 154,614 |
Tags: constructive algorithms, greedy, math
Correct Solution:
```
n = int(input())
d = [0] * (ord('j') + 1)
fr = [0] * (ord('j') + 1)
ans = 0
for i in range(n):
s = input()
fr[ord(s[0])] = 1
for j in range(len(s)):
d[ord(s[j])] += 10 ** (len(s) - j - 1)
a = [(d[i], i) for i in range(len(d))]
a.sort(... | output | 1 | 77,307 | 20 | 154,615 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Petya has n positive integers a1, a2, ..., an.
His friend Vasya decided to joke and replaced all digits in Petya's numbers with a letters. He used the lowercase letters of the Latin alphabet from 'a' to 'j' and replaced all digits 0 with o... | instruction | 0 | 77,308 | 20 | 154,616 |
Tags: constructive algorithms, greedy, math
Correct Solution:
```
import re
import sys
exit=sys.exit
from bisect import bisect_left as bsl,bisect_right as bsr
from collections import Counter,defaultdict as ddict,deque
from functools import lru_cache
cache=lru_cache(None)
from heapq import *
from itertools import *
from... | output | 1 | 77,308 | 20 | 154,617 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Petya has n positive integers a1, a2, ..., an.
His friend Vasya decided to joke and replaced all digits in Petya's numbers with a letters. He used the lowercase letters of the Latin alphabet from 'a' to 'j' and replaced all digits 0 with o... | instruction | 0 | 77,309 | 20 | 154,618 |
Tags: constructive algorithms, greedy, math
Correct Solution:
```
from sys import stdin,stdout
from math import gcd,sqrt,factorial,pi,inf
from collections import deque,defaultdict
from bisect import bisect,bisect_left
from time import time
from itertools import permutations as per
from heapq import heapify,heappush,hea... | output | 1 | 77,309 | 20 | 154,619 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Petya has n positive integers a1, a2, ..., an.
His friend Vasya decided to joke and replaced all digits in Petya's numbers with a letters. He used the lowercase letters of the Latin alphabet from 'a' to 'j' and replaced all digits 0 with o... | instruction | 0 | 77,310 | 20 | 154,620 |
Tags: constructive algorithms, greedy, math
Correct Solution:
```
import math
import operator
num = int(input())
total = 0
store = {}
nonzero = []
_max = 0
for i in range(num):
_in = input()
if _max < len(_in):
_max = len(_in)
if _in[0] not in nonzero:
nonzero.append(_in[0])
for j in range(len... | output | 1 | 77,310 | 20 | 154,621 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Petya has n positive integers a1, a2, ..., an.
His friend Vasya decided to joke and replaced all digits in Petya's numbers with a letters. He used the lowercase letters of the Latin alphabet from 'a' to 'j' and replaced all digits 0 with o... | instruction | 0 | 77,311 | 20 | 154,622 |
Tags: constructive algorithms, greedy, math
Correct Solution:
```
#! /usr/bin/env python3
#------------------------------------------------
# Author: krishna
# Created: Sun Dec 24 17:45:40 IST 2017
# File Name: 910c.py
# USAGE:
# 910c.py
# Description:
#
#------------------------------------------------
imp... | output | 1 | 77,311 | 20 | 154,623 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Petya has n positive integers a1, a2, ..., an.
His friend Vasya decided to joke and replaced all digits in Petya's numbers with a letters. He used the lowercase letters of the Latin alphabet from 'a' to 'j' and replaced all digits 0 with o... | instruction | 0 | 77,312 | 20 | 154,624 |
Tags: constructive algorithms, greedy, math
Correct Solution:
```
from collections import defaultdict
n = int(input())
is_first = []
d = defaultdict(int)
ans = 0
for _ in range(n):
s = input()
slen = len(s)
for i in range(slen):
t = s[i]
if i == 0:
if t not in is_first:
... | output | 1 | 77,312 | 20 | 154,625 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Petya has n positive integers a1, a2, ..., an.
His friend Vasya decided to joke and replaced all digits in Petya's numbers with a letters. He used the lowercase letters of the Latin alphabet f... | instruction | 0 | 77,313 | 20 | 154,626 |
Yes | output | 1 | 77,313 | 20 | 154,627 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Petya has n positive integers a1, a2, ..., an.
His friend Vasya decided to joke and replaced all digits in Petya's numbers with a letters. He used the lowercase letters of the Latin alphabet f... | instruction | 0 | 77,314 | 20 | 154,628 |
Yes | output | 1 | 77,314 | 20 | 154,629 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Petya has n positive integers a1, a2, ..., an.
His friend Vasya decided to joke and replaced all digits in Petya's numbers with a letters. He used the lowercase letters of the Latin alphabet f... | instruction | 0 | 77,315 | 20 | 154,630 |
Yes | output | 1 | 77,315 | 20 | 154,631 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Petya has n positive integers a1, a2, ..., an.
His friend Vasya decided to joke and replaced all digits in Petya's numbers with a letters. He used the lowercase letters of the Latin alphabet f... | instruction | 0 | 77,316 | 20 | 154,632 |
Yes | output | 1 | 77,316 | 20 | 154,633 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Petya has n positive integers a1, a2, ..., an.
His friend Vasya decided to joke and replaced all digits in Petya's numbers with a letters. He used the lowercase letters of the Latin alphabet f... | instruction | 0 | 77,317 | 20 | 154,634 |
No | output | 1 | 77,317 | 20 | 154,635 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Petya has n positive integers a1, a2, ..., an.
His friend Vasya decided to joke and replaced all digits in Petya's numbers with a letters. He used the lowercase letters of the Latin alphabet f... | instruction | 0 | 77,318 | 20 | 154,636 |
No | output | 1 | 77,318 | 20 | 154,637 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Petya has n positive integers a1, a2, ..., an.
His friend Vasya decided to joke and replaced all digits in Petya's numbers with a letters. He used the lowercase letters of the Latin alphabet f... | instruction | 0 | 77,319 | 20 | 154,638 |
No | output | 1 | 77,319 | 20 | 154,639 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Petya has n positive integers a1, a2, ..., an.
His friend Vasya decided to joke and replaced all digits in Petya's numbers with a letters. He used the lowercase letters of the Latin alphabet f... | instruction | 0 | 77,320 | 20 | 154,640 |
No | output | 1 | 77,320 | 20 | 154,641 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are working as an analyst in a company working on a new system for big data storage. This system will store n different objects. Each object should have a unique ID.
To create the system, y... | instruction | 0 | 77,339 | 20 | 154,678 |
No | output | 1 | 77,339 | 20 | 154,679 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are working as an analyst in a company working on a new system for big data storage. This system will store n different objects. Each object should have a unique ID.
To create the system, y... | instruction | 0 | 77,340 | 20 | 154,680 |
No | output | 1 | 77,340 | 20 | 154,681 |
Provide a correct Python 3 solution for this coding contest problem.
AtCoder Inc. has decided to lock the door of its office with a 3-digit PIN code.
The company has an N-digit lucky number, S. Takahashi, the president, will erase N-3 digits from S and concatenate the remaining 3 digits without changing the order to ... | instruction | 0 | 77,373 | 20 | 154,746 |
"Correct Solution:
```
n=int(input())
s=input()
numbers=[str(i).zfill(3) for i in range(1000)]
count=0
for num in numbers:
j=0
for i in range(n):
if num[j]==s[i]:
j+=1
if j==3:
break
if j==3:
count+=1
print(count)
``` | output | 1 | 77,373 | 20 | 154,747 |
Provide a correct Python 3 solution for this coding contest problem.
AtCoder Inc. has decided to lock the door of its office with a 3-digit PIN code.
The company has an N-digit lucky number, S. Takahashi, the president, will erase N-3 digits from S and concatenate the remaining 3 digits without changing the order to ... | instruction | 0 | 77,374 | 20 | 154,748 |
"Correct Solution:
```
a=[set(),set(),set()]
n=int(input())
s=input()
for i in s:
for j in a[1]:
a[2].add(j+i)
for j in a[0]:
a[1].add(j+i)
a[0].add(i)
print(len(a[2]))
``` | output | 1 | 77,374 | 20 | 154,749 |
Provide a correct Python 3 solution for this coding contest problem.
AtCoder Inc. has decided to lock the door of its office with a 3-digit PIN code.
The company has an N-digit lucky number, S. Takahashi, the president, will erase N-3 digits from S and concatenate the remaining 3 digits without changing the order to ... | instruction | 0 | 77,375 | 20 | 154,750 |
"Correct Solution:
```
N=input()
S=input()
ans=0
for i in range(1000):
n=str(i).zfill(3)
x=S.find(n[0])
y=S.find(n[1],x+1)
z=S.find(n[2],y+1)
if x!=-1 and y!=-1 and z!=-1:
ans+=1
print(ans)
``` | output | 1 | 77,375 | 20 | 154,751 |
Provide a correct Python 3 solution for this coding contest problem.
AtCoder Inc. has decided to lock the door of its office with a 3-digit PIN code.
The company has an N-digit lucky number, S. Takahashi, the president, will erase N-3 digits from S and concatenate the remaining 3 digits without changing the order to ... | instruction | 0 | 77,376 | 20 | 154,752 |
"Correct Solution:
```
n = int(input())
s = input()
ans = 0
for i in range(10):
for j in range(10):
l = s.find(str(i))
r = s.rfind(str(j))
if l != -1 and r != -1 and l<r:
ans += len(set(s[l+1:r]))
print(ans)
``` | output | 1 | 77,376 | 20 | 154,753 |
Provide a correct Python 3 solution for this coding contest problem.
AtCoder Inc. has decided to lock the door of its office with a 3-digit PIN code.
The company has an N-digit lucky number, S. Takahashi, the president, will erase N-3 digits from S and concatenate the remaining 3 digits without changing the order to ... | instruction | 0 | 77,377 | 20 | 154,754 |
"Correct Solution:
```
n = int(input())
s = input()
result = 0
for i in range(1000):
x = format(i, "03")
p = 0
for j in range(n):
if s[j]==x[p]:
p += 1
if p==3:
result += 1
break
print(result)
``` | output | 1 | 77,377 | 20 | 154,755 |
Provide a correct Python 3 solution for this coding contest problem.
AtCoder Inc. has decided to lock the door of its office with a 3-digit PIN code.
The company has an N-digit lucky number, S. Takahashi, the president, will erase N-3 digits from S and concatenate the remaining 3 digits without changing the order to ... | instruction | 0 | 77,378 | 20 | 154,756 |
"Correct Solution:
```
N = int(input())
S = input()
s1 = set()
s2 = set()
s3 = set()
for c in S:
for c2 in s2: s3.add(c2+c)
for c1 in s1: s2.add(c1+c)
s1.add(c)
print(len(s3))
``` | output | 1 | 77,378 | 20 | 154,757 |
Provide a correct Python 3 solution for this coding contest problem.
AtCoder Inc. has decided to lock the door of its office with a 3-digit PIN code.
The company has an N-digit lucky number, S. Takahashi, the president, will erase N-3 digits from S and concatenate the remaining 3 digits without changing the order to ... | instruction | 0 | 77,379 | 20 | 154,758 |
"Correct Solution:
```
N = int(input())
S = input()
ans = 0
for i in range(1000):
s = str(i).zfill(3)
index = 0
for j in range(N):
if s[index] == S[j]:
index += 1
if index == 3:
ans += 1
break
print(ans)
``` | output | 1 | 77,379 | 20 | 154,759 |
Provide a correct Python 3 solution for this coding contest problem.
AtCoder Inc. has decided to lock the door of its office with a 3-digit PIN code.
The company has an N-digit lucky number, S. Takahashi, the president, will erase N-3 digits from S and concatenate the remaining 3 digits without changing the order to ... | instruction | 0 | 77,380 | 20 | 154,760 |
"Correct Solution:
```
n = int(input())
s = input()
a = 0
for i in range(1000):
i = '%03d' % i
ss = s
for c in i:
p = ss.find(c)
if p == -1:
break
ss = ss[p + 1:]
else:
a += 1
print(a)
``` | output | 1 | 77,380 | 20 | 154,761 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
AtCoder Inc. has decided to lock the door of its office with a 3-digit PIN code.
The company has an N-digit lucky number, S. Takahashi, the president, will erase N-3 digits from S and concatena... | instruction | 0 | 77,388 | 20 | 154,776 |
No | output | 1 | 77,388 | 20 | 154,777 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a huge decimal number consisting of n digits. It is guaranteed that this number has no leading zeros. Each digit of this number is either 0 or 1.
You may perform several (possibly zero) operations with this number. During each... | instruction | 0 | 77,593 | 20 | 155,186 |
Tags: implementation, math
Correct Solution:
```
nxy = input()
n, x, y = [int(num) for num in nxy.split(' ')]
s = input()
ans = 0
for i in range(n-1,n-x-1,-1):
#print(n-y,s[i])
if i==n-y-1 and s[i]=='0':
ans += 1
elif i!=n-y-1 and s[i]=='1':
ans += 1
print(ans)
``` | output | 1 | 77,593 | 20 | 155,187 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a huge decimal number consisting of n digits. It is guaranteed that this number has no leading zeros. Each digit of this number is either 0 or 1.
You may perform several (possibly zero) operations with this number. During each... | instruction | 0 | 77,594 | 20 | 155,188 |
Tags: implementation, math
Correct Solution:
```
n, x, y = [int(i) for i in input().split()]
s = list(input())
s = s[::-1]
ct = 0
for i in range(n):
idx = i+1
if i < y and s[i] == '1':
s[i] = '0'
ct += 1
if i == y and s[i] == '0':
ct += 1
s[i] = '1'
if i>y and i<x and s[... | output | 1 | 77,594 | 20 | 155,189 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a huge decimal number consisting of n digits. It is guaranteed that this number has no leading zeros. Each digit of this number is either 0 or 1.
You may perform several (possibly zero) operations with this number. During each... | instruction | 0 | 77,595 | 20 | 155,190 |
Tags: implementation, math
Correct Solution:
```
n, x, y = map(int, input().split())
s = input()
mod = list(s[n-x:n])
before = mod[0:len(mod) - y - 1]
after = mod[len(mod) - y-1: len(mod)]
if after[0] == '1':
print(before.count('1') + after.count('1') - 1)
elif after[0] == '0':
print(before.count('1') + after.c... | output | 1 | 77,595 | 20 | 155,191 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a huge decimal number consisting of n digits. It is guaranteed that this number has no leading zeros. Each digit of this number is either 0 or 1.
You may perform several (possibly zero) operations with this number. During each... | instruction | 0 | 77,596 | 20 | 155,192 |
Tags: implementation, math
Correct Solution:
```
n, x, y = map(int, input().strip().split())
s = list(input())
tobe = ['0' for i in range(x)]
tobe[-y-1] = '1'
s = s[-x: ]
c = 0
for i in range(len(s)):
if s[i] != tobe[i]:
c+=1
print(c)
``` | output | 1 | 77,596 | 20 | 155,193 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a huge decimal number consisting of n digits. It is guaranteed that this number has no leading zeros. Each digit of this number is either 0 or 1.
You may perform several (possibly zero) operations with this number. During each... | instruction | 0 | 77,597 | 20 | 155,194 |
Tags: implementation, math
Correct Solution:
```
n,x,y=map(int,input().split())
s=list(input())
s1=s[n-x:]
s2=list(str(pow(10,y)))
s2.reverse()
l=x-y-1
for i in range(l):
s2.append('0')
s2.reverse()
c=0
for i in range(x):
if(s1[i]!=s2[i]):
c+=1
print(c)
``` | output | 1 | 77,597 | 20 | 155,195 |
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