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.
The number "zero" is called "love" (or "l'oeuf" to be precise, literally means "egg" in French), for example when denoting the zero score in a game of tennis.
Aki is fond of numbers, especially those with trailing zeros. For example, the n... | instruction | 0 | 15,142 | 20 | 30,284 |
Tags: brute force, implementation, math, number theory
Correct Solution:
```
# -*- coding: utf-8 -*-
import math
import collections
import bisect
import heapq
import time
import itertools
import sys
"""
created by shhuan at 2019/2/12 19:21
"""
def decomp(val):
d = 2
ans = collections.defaultdict(int)
w... | output | 1 | 15,142 | 20 | 30,285 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The number "zero" is called "love" (or "l'oeuf" to be precise, literally means "egg" in French), for example when denoting the zero score in a game of tennis.
Aki is fond of numbers, especially those with trailing zeros. For example, the n... | instruction | 0 | 15,143 | 20 | 30,286 |
Tags: brute force, implementation, math, number theory
Correct Solution:
```
x=input().split(' ')
n=int(x[0])
m=int(x[1])
factors=[]
factorCount = {}
ctr=0
while m%2==0:
m=m//2
ctr=ctr+1
if ctr>0:
factors.append(2)
factorCount[2]=ctr
i=3
while i*i<=m:
ctr=0
while m%i==0:
m=m//i
... | output | 1 | 15,143 | 20 | 30,287 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The number "zero" is called "love" (or "l'oeuf" to be precise, literally means "egg" in French), for example when denoting the zero score in a game of tennis.
Aki is fond of numbers, especially those with trailing zeros. For example, the n... | instruction | 0 | 15,144 | 20 | 30,288 |
Tags: brute force, implementation, math, number theory
Correct Solution:
```
n, b = map(int, input().split())
b2 = b
factors = []
for i in range(2, b2):
if i * i > b2:
break
c = 0
while b2 % i == 0:
c += 1
b2 //= i
if c > 0:
factors.append((i, c))
if b2 > 1:
factors.... | output | 1 | 15,144 | 20 | 30,289 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The number "zero" is called "love" (or "l'oeuf" to be precise, literally means "egg" in French), for example when denoting the zero score in a game of tennis.
Aki is fond of numbers, especially those with trailing zeros. For example, the n... | instruction | 0 | 15,145 | 20 | 30,290 |
Tags: brute force, implementation, math, number theory
Correct Solution:
```
n,b = map(int,input().split())
import math
x = int(math.sqrt(b))
fa =dict()
for i in range(2,x+2):
while b % i == 0:
fa[i] = fa.get(i,0)+1
b = b // i
if b != 1:
fa[b]=fa.get(b,0)+1
ans = int(1e18)
for f in fa:
t... | output | 1 | 15,145 | 20 | 30,291 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The number "zero" is called "love" (or "l'oeuf" to be precise, literally means "egg" in French), for example when denoting the zero score in a game of tennis.
Aki is fond of numbers, especiall... | instruction | 0 | 15,146 | 20 | 30,292 |
Yes | output | 1 | 15,146 | 20 | 30,293 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The number "zero" is called "love" (or "l'oeuf" to be precise, literally means "egg" in French), for example when denoting the zero score in a game of tennis.
Aki is fond of numbers, especiall... | instruction | 0 | 15,147 | 20 | 30,294 |
Yes | output | 1 | 15,147 | 20 | 30,295 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The number "zero" is called "love" (or "l'oeuf" to be precise, literally means "egg" in French), for example when denoting the zero score in a game of tennis.
Aki is fond of numbers, especiall... | instruction | 0 | 15,148 | 20 | 30,296 |
Yes | output | 1 | 15,148 | 20 | 30,297 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The number "zero" is called "love" (or "l'oeuf" to be precise, literally means "egg" in French), for example when denoting the zero score in a game of tennis.
Aki is fond of numbers, especiall... | instruction | 0 | 15,149 | 20 | 30,298 |
Yes | output | 1 | 15,149 | 20 | 30,299 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The number "zero" is called "love" (or "l'oeuf" to be precise, literally means "egg" in French), for example when denoting the zero score in a game of tennis.
Aki is fond of numbers, especiall... | instruction | 0 | 15,150 | 20 | 30,300 |
No | output | 1 | 15,150 | 20 | 30,301 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The number "zero" is called "love" (or "l'oeuf" to be precise, literally means "egg" in French), for example when denoting the zero score in a game of tennis.
Aki is fond of numbers, especiall... | instruction | 0 | 15,151 | 20 | 30,302 |
No | output | 1 | 15,151 | 20 | 30,303 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The number "zero" is called "love" (or "l'oeuf" to be precise, literally means "egg" in French), for example when denoting the zero score in a game of tennis.
Aki is fond of numbers, especiall... | instruction | 0 | 15,152 | 20 | 30,304 |
No | output | 1 | 15,152 | 20 | 30,305 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The number "zero" is called "love" (or "l'oeuf" to be precise, literally means "egg" in French), for example when denoting the zero score in a game of tennis.
Aki is fond of numbers, especiall... | instruction | 0 | 15,153 | 20 | 30,306 |
No | output | 1 | 15,153 | 20 | 30,307 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Traveling around the world you noticed that many shop owners raise prices to inadequate values if the see you are a foreigner.
You define inadequate numbers as follows:
* all integers from ... | instruction | 0 | 15,154 | 20 | 30,308 |
No | output | 1 | 15,154 | 20 | 30,309 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Traveling around the world you noticed that many shop owners raise prices to inadequate values if the see you are a foreigner.
You define inadequate numbers as follows:
* all integers from ... | instruction | 0 | 15,155 | 20 | 30,310 |
No | output | 1 | 15,155 | 20 | 30,311 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Traveling around the world you noticed that many shop owners raise prices to inadequate values if the see you are a foreigner.
You define inadequate numbers as follows:
* all integers from ... | instruction | 0 | 15,156 | 20 | 30,312 |
No | output | 1 | 15,156 | 20 | 30,313 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Gottfried learned about binary number representation. He then came up with this task and presented it to you.
You are given a collection of n non-negative integers a_1, …, a_n. You are allowed to perform the following operation: choose two ... | instruction | 0 | 15,230 | 20 | 30,460 |
Tags: bitmasks, greedy, math
Correct Solution:
```
n = int(input())
arr = list(map(int,input().split()))
bits = [0 for i in range(21)]
ans = [0 for i in range(n)]
for i in range(n):
for j in range(21):
if ((arr[i]>>j) & 1):
bits[j]+=1
for i in range(21):
for j in range(bits[i]):
x ... | output | 1 | 15,230 | 20 | 30,461 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Gottfried learned about binary number representation. He then came up with this task and presented it to you.
You are given a collection of n non-negative integers a_1, …, a_n. You are allowed to perform the following operation: choose two ... | instruction | 0 | 15,231 | 20 | 30,462 |
Tags: bitmasks, greedy, math
Correct Solution:
```
n = int(input())
arr = list(map(int, input().split()))
bit = list(0 for i in range(21))
for i in arr:
k = i
s = list()
while k != 0:
s.append(k % 2)
k //= 2
for j in range(0, len(s)):
bit[j] += s[j]
ans = 0
for i in range(n):
... | output | 1 | 15,231 | 20 | 30,463 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Gottfried learned about binary number representation. He then came up with this task and presented it to you.
You are given a collection of n non-negative integers a_1, …, a_n. You are allowed to perform the following operation: choose two ... | instruction | 0 | 15,232 | 20 | 30,464 |
Tags: bitmasks, greedy, math
Correct Solution:
```
# f = open('test.py')
# def input():
# return f.readline().replace('\n','')
# import heapq
# import bisect
# from collections import deque
from collections import defaultdict
def read_list():
return list(map(int,input().strip().split(' ')))
def print_list(l):
print... | output | 1 | 15,232 | 20 | 30,465 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Gottfried learned about binary number representation. He then came up with this task and presented it to you.
You are given a collection of n non-negative integers a_1, …, a_n. You are allowed to perform the following operation: choose two ... | instruction | 0 | 15,233 | 20 | 30,466 |
Tags: bitmasks, greedy, math
Correct Solution:
```
# -*- coding: utf-8 -*-
"""
@author: Saurav Sihag
"""
rr = lambda: input().strip()
# rri = lambda: int(rr())
rri = lambda: int(stdin.readline())
rrm = lambda: [int(x) for x in rr().split()]
# stdout.write(str()+'\n')
from sys import stdin, stdout
def sol():
n=rr... | output | 1 | 15,233 | 20 | 30,467 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Gottfried learned about binary number representation. He then came up with this task and presented it to you.
You are given a collection of n non-negative integers a_1, …, a_n. You are allowed to perform the following operation: choose two ... | instruction | 0 | 15,234 | 20 | 30,468 |
Tags: bitmasks, greedy, math
Correct Solution:
```
n=int(input())
arr=[int(i) for i in input().split()]
binary=[]
num=[0 for i in range(21)]
for i in range(n):
b=bin(arr[i]).replace("0b","")
if len(b)<21:
for k in range(21-len(b)):
b='0'+b
binary.append(b)
for i in range(21):
for j i... | output | 1 | 15,234 | 20 | 30,469 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Gottfried learned about binary number representation. He then came up with this task and presented it to you.
You are given a collection of n non-negative integers a_1, …, a_n. You are allowed to perform the following operation: choose two ... | instruction | 0 | 15,235 | 20 | 30,470 |
Tags: bitmasks, greedy, math
Correct Solution:
```
n = int(input())
A = list(map(int,input().split()))
bits = [0 for i in range(21)]
for i in range(n):
x = A[i]
for j in range(20):
if(x&(1<<j)):
bits[j]+=1
ans = 0
while(True):
flag = 0
num=0
for i in range(20):
if(bits[i]... | output | 1 | 15,235 | 20 | 30,471 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Gottfried learned about binary number representation. He then came up with this task and presented it to you.
You are given a collection of n non-negative integers a_1, …, a_n. You are allowed to perform the following operation: choose two ... | instruction | 0 | 15,236 | 20 | 30,472 |
Tags: bitmasks, greedy, math
Correct Solution:
```
BITS = 32
n = int(input())
a = list(map(int, input().split()))
bits = [0 for i in range(BITS)]
for x in a:
for i in range(BITS):
if x % 2 == 1:
bits[i] += 1
x //= 2
M = max(bits)
ret = 0
while M > 0:
b = 0
for i in range(BITS):
if bits[i] > 0:
b += 2... | output | 1 | 15,236 | 20 | 30,473 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Gottfried learned about binary number representation. He then came up with this task and presented it to you.
You are given a collection of n non-negative integers a_1, …, a_n. You are allowed to perform the following operation: choose two ... | instruction | 0 | 15,237 | 20 | 30,474 |
Tags: bitmasks, greedy, math
Correct Solution:
```
import sys
input = sys.stdin.buffer.readline
n = int(input())
a = list(map(int, input().split()))
cnt = [0] * 20
for i, num in enumerate(a):
for j in range(20):
if num & (1 << j):
cnt[j] += 1
ans = 0
for i in range(n):
tmp = 0
for j ... | output | 1 | 15,237 | 20 | 30,475 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Input
The input contains two integers N, M (1 ≤ N ≤ 1024, 2 ≤ M ≤ 16), separated by a single space.
Output
Output "YES" or "NO".
Examples
Input
2 3
Output
YES
Input
3 2
Output
NO
Input
33 16
Output
YES
Input
... | instruction | 0 | 15,307 | 20 | 30,614 |
Tags: *special, number theory
Correct Solution:
```
def xeno(n,m):
ans=[]
while(n):
ans.append(n%m)
n=int(n/m)
s=set()
for item in ans:
s.add(item)
# print(s)
# print(ans)
if len(s)==len(ans):
return 'YES'
else:
return 'NO'
if __name__=='__... | output | 1 | 15,307 | 20 | 30,615 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Input
The input contains two integers N, M (1 ≤ N ≤ 1024, 2 ≤ M ≤ 16), separated by a single space.
Output
Output "YES" or "NO".
Examples
Input
2 3
Output
YES
Input
3 2
Output
NO
Input
33 16
Output
YES
Input
... | instruction | 0 | 15,310 | 20 | 30,620 |
Tags: *special, number theory
Correct Solution:
```
def numberToBase(n, b):
if n == 0:
return [0]
digits = []
while n:
digits.append(int(n % b))
n //= b
return digits[::-1]
N, B = map(int, input().split())
D = numberToBase(N, B)
count = set()
correct = "YES"
for elt in D:
i... | output | 1 | 15,310 | 20 | 30,621 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Prof. Vasechkin wants to represent positive integer n as a sum of addends, where each addends is an integer number containing only 1s. For example, he can represent 121 as 121=111+11+–1. Help him to find the least number of digits 1 in such ... | instruction | 0 | 15,427 | 20 | 30,854 |
Tags: brute force, dfs and similar, divide and conquer
Correct Solution:
```
multiplos_de_onze = [0, 1, 11, 111, 1111, 11111, 111111, 1111111, 11111111, 111111111, 1111111111, 11111111111,
111111111111, 1111111111111, 11111111111111, 111111111111111, 1111111111111111,
1111111... | output | 1 | 15,427 | 20 | 30,855 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Prof. Vasechkin wants to represent positive integer n as a sum of addends, where each addends is an integer number containing only 1s. For example, he can represent 121 as 121=111+11+–1. Help him to find the least number of digits 1 in such ... | instruction | 0 | 15,428 | 20 | 30,856 |
Tags: brute force, dfs and similar, divide and conquer
Correct Solution:
```
n = int(input())
d = {n: 0}
m = len(str(n)) + 1
u = int('1' * (m+1))
for i in range(m, 0, -1):
d, e, u = {}, d, u // 10
for v, c in e.items():
lim = v // u
for x in range(-1 - lim, 1 - lim):
t = v + x * u
... | output | 1 | 15,428 | 20 | 30,857 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Prof. Vasechkin wants to represent positive integer n as a sum of addends, where each addends is an integer number containing only 1s. For example, he can represent 121 as 121=111+11+–1. Help him to find the least number of digits 1 in such ... | instruction | 0 | 15,429 | 20 | 30,858 |
Tags: brute force, dfs and similar, divide and conquer
Correct Solution:
```
one = []
for i in range(17):
one.append(0)
def code():
i = 1
j = 0
k = 0
one[0] = 0
for i in range(1, 17):
one[i] = one[i-1]*10+1
n = int(input())
print(df(n, 16))
def df(n, i):
k = int(n/one[i])... | output | 1 | 15,429 | 20 | 30,859 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Prof. Vasechkin wants to represent positive integer n as a sum of addends, where each addends is an integer number containing only 1s. For example, he can represent 121 as 121=111+11+–1. Help him to find the least number of digits 1 in such ... | instruction | 0 | 15,430 | 20 | 30,860 |
Tags: brute force, dfs and similar, divide and conquer
Correct Solution:
```
import math
acc = []
n = int(input())
def OneNum (num, One):
onetrans = num // acc[One]
num = num % acc[One]
if num == 0:
return onetrans*One
else:
return onetrans*One + min(OneNum(num, One-1), One + OneNum(acc[One] - num, One - 1))
a... | output | 1 | 15,430 | 20 | 30,861 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Prof. Vasechkin wants to represent positive integer n as a sum of addends, where each addends is an integer number containing only 1s. For example, he can represent 121 as 121=111+11+–1. Help him to find the least number of digits 1 in such ... | instruction | 0 | 15,431 | 20 | 30,862 |
Tags: brute force, dfs and similar, divide and conquer
Correct Solution:
```
n = int(input())
d = {n: 0}
u = 10 ** (len(str(n)) + 2) // 9
for i in range(len(str(n)) + 1, 0, -1):
d, e = {}, d
u //= 10
for v, c in e.items():
lim = v//u
for x in range(-1 - lim, 1 - lim):
t = v + x *... | output | 1 | 15,431 | 20 | 30,863 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Prof. Vasechkin wants to represent positive integer n as a sum of addends, where each addends is an integer number containing only 1s. For example, he can represent 121 as 121=111+11+–1. Help him to find the least number of digits 1 in such ... | instruction | 0 | 15,432 | 20 | 30,864 |
Tags: brute force, dfs and similar, divide and conquer
Correct Solution:
```
class OneArithmetic():
def __init__(self, n):
self.n = n
self.m = [0]*17
v = 0
for i in range(1,17):
v = 10*v+1
self.m[i] = v
def dfs(self, v, d):
v = abs(v)
if d... | output | 1 | 15,432 | 20 | 30,865 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Prof. Vasechkin wants to represent positive integer n as a sum of addends, where each addends is an integer number containing only 1s. For example, he can represent 121 as 121=111+11+–1. Help him to find the least number of digits 1 in such ... | instruction | 0 | 15,433 | 20 | 30,866 |
Tags: brute force, dfs and similar, divide and conquer
Correct Solution:
```
n = int(input())
d = {n: 0}
u = 10 ** (len(str(n)) + 2) // 9
for i in range(len(str(n)) + 1, 0, -1):
d, e = {}, d
u //= 10
for v, c in e.items():
lim = v//u
for x in range(-1 - lim, 1 - lim):
t ... | output | 1 | 15,433 | 20 | 30,867 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Prof. Vasechkin wants to represent positive integer n as a sum of addends, where each addends is an integer number containing only 1s. For example, he can represent 121 as 121=111+11+–1. Help him to find the least number of digits 1 in such ... | instruction | 0 | 15,434 | 20 | 30,868 |
Tags: brute force, dfs and similar, divide and conquer
Correct Solution:
```
n = int(input())
d = {}
def count(x):
if x == 0:
return 0
elif x in d:
return d[x]
x_s = str(x)
low = int("1"*len(x_s)) if int("1"*len(x_s)) <= x else int("1"*(len(x_s)-1))
high = int("1"*len(x_s)) if int("1"*len(x_s)) >= x else in... | output | 1 | 15,434 | 20 | 30,869 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Prof. Vasechkin wants to represent positive integer n as a sum of addends, where each addends is an integer number containing only 1s. For example, he can represent 121 as 121=111+11+–1. Help hi... | instruction | 0 | 15,435 | 20 | 30,870 |
Yes | output | 1 | 15,435 | 20 | 30,871 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Prof. Vasechkin wants to represent positive integer n as a sum of addends, where each addends is an integer number containing only 1s. For example, he can represent 121 as 121=111+11+–1. Help hi... | instruction | 0 | 15,436 | 20 | 30,872 |
Yes | output | 1 | 15,436 | 20 | 30,873 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Prof. Vasechkin wants to represent positive integer n as a sum of addends, where each addends is an integer number containing only 1s. For example, he can represent 121 as 121=111+11+–1. Help hi... | instruction | 0 | 15,437 | 20 | 30,874 |
Yes | output | 1 | 15,437 | 20 | 30,875 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Prof. Vasechkin wants to represent positive integer n as a sum of addends, where each addends is an integer number containing only 1s. For example, he can represent 121 as 121=111+11+–1. Help hi... | instruction | 0 | 15,438 | 20 | 30,876 |
Yes | output | 1 | 15,438 | 20 | 30,877 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Prof. Vasechkin wants to represent positive integer n as a sum of addends, where each addends is an integer number containing only 1s. For example, he can represent 121 as 121=111+11+–1. Help hi... | instruction | 0 | 15,439 | 20 | 30,878 |
No | output | 1 | 15,439 | 20 | 30,879 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Prof. Vasechkin wants to represent positive integer n as a sum of addends, where each addends is an integer number containing only 1s. For example, he can represent 121 as 121=111+11+–1. Help hi... | instruction | 0 | 15,440 | 20 | 30,880 |
No | output | 1 | 15,440 | 20 | 30,881 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Prof. Vasechkin wants to represent positive integer n as a sum of addends, where each addends is an integer number containing only 1s. For example, he can represent 121 as 121=111+11+–1. Help hi... | instruction | 0 | 15,441 | 20 | 30,882 |
No | output | 1 | 15,441 | 20 | 30,883 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Prof. Vasechkin wants to represent positive integer n as a sum of addends, where each addends is an integer number containing only 1s. For example, he can represent 121 as 121=111+11+–1. Help hi... | instruction | 0 | 15,442 | 20 | 30,884 |
No | output | 1 | 15,442 | 20 | 30,885 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A positive integer number n is written on a blackboard. It consists of not more than 105 digits. You have to transform it into a beautiful number by erasing some of the digits, and you want to erase as few digits as possible.
The number is ... | instruction | 0 | 15,598 | 20 | 31,196 |
Tags: dp, greedy, math, number theory
Correct Solution:
```
def erase(s, n, m):
p = '147' if n == 1 else '258'
if sum(s.count(c) for c in p) < m:
return []
t = list(reversed(s))
for c in p:
while t.count(c) > 0 and m > 0:
t.remove(c)
m -= 1
while len(t) > 1 an... | output | 1 | 15,598 | 20 | 31,197 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A positive integer number n is written on a blackboard. It consists of not more than 105 digits. You have to transform it into a beautiful number by erasing some of the digits, and you want to erase as few digits as possible.
The number is ... | instruction | 0 | 15,599 | 20 | 31,198 |
Tags: dp, greedy, math, number theory
Correct Solution:
```
n = list(input())
leng = 0
mp=[0,0,0]
for x in n:
leng += 1
mp[int(x)%3]+=1
tot = (mp[1]+2*mp[2])%3
if tot == 0:
print("".join(n))
exit()
if mp[tot] == 0:
do = tot ^ 3
cnt = 2
else:
if mp[tot] == 1 and int(n[0])%3==tot and n[1:3] == ['0','0']:
do =tot... | output | 1 | 15,599 | 20 | 31,199 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A positive integer number n is written on a blackboard. It consists of not more than 105 digits. You have to transform it into a beautiful number by erasing some of the digits, and you want to erase as few digits as possible.
The number is ... | instruction | 0 | 15,600 | 20 | 31,200 |
Tags: dp, greedy, math, number theory
Correct Solution:
```
import sys
from itertools import compress
s = input()
n = len(s)
mod = [0]*n
for i, x in enumerate(map(int, s)):
mod[i] = x % 3
total_mod = sum(mod) % 3
def remove_zeros(a):
for i in range(n):
if not a[i]:
continue
if s[... | output | 1 | 15,600 | 20 | 31,201 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A positive integer number n is written on a blackboard. It consists of not more than 105 digits. You have to transform it into a beautiful number by erasing some of the digits, and you want to erase as few digits as possible.
The number is ... | instruction | 0 | 15,601 | 20 | 31,202 |
Tags: dp, greedy, math, number theory
Correct Solution:
```
n = input()
nums = [int(i)%3 for i in n]
ones = nums.count(1)
twos = nums.count(2)
dis = (ones-twos)%3
def solve():
global n
global nums
global dis
if dis==0:
return n
t = rfind(dis)
if t>0 or (t==0 and len(n)>1 and nums[t+1]!... | output | 1 | 15,601 | 20 | 31,203 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A positive integer number n is written on a blackboard. It consists of not more than 105 digits. You have to transform it into a beautiful number by erasing some of the digits, and you want to erase as few digits as possible.
The number is ... | instruction | 0 | 15,602 | 20 | 31,204 |
Tags: dp, greedy, math, number theory
Correct Solution:
```
s=input()
rem=0
rems=[0]*(len(s))
one=[]
two=[]
for i in range(len(s)):
rems[i]=int(s[i])%3
if rems[i]==1:
one.append(i)
elif rems[i]==2:
two.append(i)
rem+=int(s[i])
rem%=3
include=[1]*(len(s))
include1=[1]*(len(s))
f=0
if ... | output | 1 | 15,602 | 20 | 31,205 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A positive integer number n is written on a blackboard. It consists of not more than 105 digits. You have to transform it into a beautiful number by erasing some of the digits, and you want to erase as few digits as possible.
The number is ... | instruction | 0 | 15,603 | 20 | 31,206 |
Tags: dp, greedy, math, number theory
Correct Solution:
```
import bisect
from itertools import accumulate
import os
import sys
import math
from decimal import *
from io import BytesIO, IOBase
BUFSIZE = 8192
class FastIO(IOBase):
newlines = 0
def __init__(self, file):
self._fd = file.fileno()
... | output | 1 | 15,603 | 20 | 31,207 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A positive integer number n is written on a blackboard. It consists of not more than 105 digits. You have to transform it into a beautiful number by erasing some of the digits, and you want to erase as few digits as possible.
The number is ... | instruction | 0 | 15,604 | 20 | 31,208 |
Tags: dp, greedy, math, number theory
Correct Solution:
```
n = input()
if len(n) < 3:
if len(n) == 1:
if int(n) % 3 != 0:
print(-1)
else:
print(n)
if len(n) == 2:
if (int(n[0]) + int(n[1])) % 3 == 0:
print(n)
elif int(n[0]) % 3 == 0:
... | output | 1 | 15,604 | 20 | 31,209 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A positive integer number n is written on a blackboard. It consists of not more than 105 digits. You have to transform it into a beautiful number by erasing some of the digits, and you want to erase as few digits as possible.
The number is ... | instruction | 0 | 15,605 | 20 | 31,210 |
Tags: dp, greedy, math, number theory
Correct Solution:
```
m=list(input())
n=list(map(int,m))
s=sum(n)
l=len(n)
if(s%3==0):
print("".join(m))
else:
r=s%3
for j in range(1,len(n)):
if(n[j]%3==r):
n.pop(j)
break
if(len(n)==l):
flag=0
if(n[0]%3==r):
... | output | 1 | 15,605 | 20 | 31,211 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A positive integer number n is written on a blackboard. It consists of not more than 105 digits. You have to transform it into a beautiful number by erasing some of the digits, and you want to e... | instruction | 0 | 15,606 | 20 | 31,212 |
Yes | output | 1 | 15,606 | 20 | 31,213 |
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