message stringlengths 2 433k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 113 108k | cluster float64 12 12 | __index_level_0__ int64 226 217k |
|---|---|---|---|---|---|
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a number n (divisible by 3) and an array a[1 ... n]. In one move, you can increase any of the array elements by one. Formally, you choose the index i (1 ≤ i ≤ n) and replace a_i wi... | instruction | 0 | 42,337 | 12 | 84,674 |
No | output | 1 | 42,337 | 12 | 84,675 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a number n (divisible by 3) and an array a[1 ... n]. In one move, you can increase any of the array elements by one. Formally, you choose the index i (1 ≤ i ≤ n) and replace a_i wi... | instruction | 0 | 42,338 | 12 | 84,676 |
No | output | 1 | 42,338 | 12 | 84,677 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a number n (divisible by 3) and an array a[1 ... n]. In one move, you can increase any of the array elements by one. Formally, you choose the index i (1 ≤ i ≤ n) and replace a_i wi... | instruction | 0 | 42,339 | 12 | 84,678 |
No | output | 1 | 42,339 | 12 | 84,679 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a number n (divisible by 3) and an array a[1 ... n]. In one move, you can increase any of the array elements by one. Formally, you choose the index i (1 ≤ i ≤ n) and replace a_i wi... | instruction | 0 | 42,340 | 12 | 84,680 |
No | output | 1 | 42,340 | 12 | 84,681 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A permutation is a sequence of n integers from 1 to n, in which all the numbers occur exactly once. For example, [1], [3, 5, 2, 1, 4], [1, 3, 2] are permutations, and [2, 3, 2], [4, 3, 1], [0] are not.
Polycarp was given four integers n, l,... | instruction | 0 | 42,341 | 12 | 84,682 |
Tags: brute force, greedy, math
Correct Solution:
```
# by the authority of GOD author: manhar singh sachdev #
def some_random_function():
"""due to the fast IO template, my code gets caught in
plag check for no reason. That is why, I am making
random functions"""
x = 10
x *= 100
i_do... | output | 1 | 42,341 | 12 | 84,683 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A permutation is a sequence of n integers from 1 to n, in which all the numbers occur exactly once. For example, [1], [3, 5, 2, 1, 4], [1, 3, 2] are permutations, and [2, 3, 2], [4, 3, 1], [0] are not.
Polycarp was given four integers n, l,... | instruction | 0 | 42,342 | 12 | 84,684 |
Tags: brute force, greedy, math
Correct Solution:
```
import sys
read=sys.stdin.buffer.read;readline=sys.stdin.buffer.readline;input=lambda:sys.stdin.readline().rstrip()
import bisect,string,math,time,functools,random,fractions
from bisect import*
from heapq import heappush,heappop,heapify
from collections import deque... | output | 1 | 42,342 | 12 | 84,685 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A permutation is a sequence of n integers from 1 to n, in which all the numbers occur exactly once. For example, [1], [3, 5, 2, 1, 4], [1, 3, 2] are permutations, and [2, 3, 2], [4, 3, 1], [0] are not.
Polycarp was given four integers n, l,... | instruction | 0 | 42,343 | 12 | 84,686 |
Tags: brute force, greedy, math
Correct Solution:
```
import os
import sys
from io import BytesIO, IOBase
BUFSIZE = 8192
class FastIO(IOBase):
newlines = 0
def __init__(self, file):
self._fd = file.fileno()
self.buffer = BytesIO()
self.writable = 'x' in file.mode or 'r' not in file.mode
self.write = self.buff... | output | 1 | 42,343 | 12 | 84,687 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A permutation is a sequence of n integers from 1 to n, in which all the numbers occur exactly once. For example, [1], [3, 5, 2, 1, 4], [1, 3, 2] are permutations, and [2, 3, 2], [4, 3, 1], [0] are not.
Polycarp was given four integers n, l,... | instruction | 0 | 42,344 | 12 | 84,688 |
Tags: brute force, greedy, math
Correct Solution:
```
from collections import Counter
tc=int(input())
for _ in range(tc):
n,l,r,s=map(int,(input().split()))
# n=int(input())
# a=[int(x) for x in input().split()]
k=(r-l+1)
if s>=(k*(k+1))//2 and s<=(n*(n+1))//2-((n-k)*(n-k+1))//2:
... | output | 1 | 42,344 | 12 | 84,689 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A permutation is a sequence of n integers from 1 to n, in which all the numbers occur exactly once. For example, [1], [3, 5, 2, 1, 4], [1, 3, 2] are permutations, and [2, 3, 2], [4, 3, 1], [0] are not.
Polycarp was given four integers n, l,... | instruction | 0 | 42,345 | 12 | 84,690 |
Tags: brute force, greedy, math
Correct Solution:
```
t = int(input())
for _ in range(t):
n, l, r, s = [int(i) for i in input().split()]
arr = [-1 for i in range(n)]
l -= 1
r -= 1
fill = r-l+1
max_possi = 0
m = n
for i in range(fill):
max_possi += m
m -=1
min_possi = ... | output | 1 | 42,345 | 12 | 84,691 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A permutation is a sequence of n integers from 1 to n, in which all the numbers occur exactly once. For example, [1], [3, 5, 2, 1, 4], [1, 3, 2] are permutations, and [2, 3, 2], [4, 3, 1], [0] are not.
Polycarp was given four integers n, l,... | instruction | 0 | 42,346 | 12 | 84,692 |
Tags: brute force, greedy, math
Correct Solution:
```
for _ in range(int(input())):
n, l, r, s = map(int, input().split())
c = r - l + 1
sp = []
f = range(n - c + 1, n+1)
h = range(1, c + 1)
max_s = sum(f)
min_s = sum(h)
if s > max_s or s < min_s:
print(-1)
elif s == min_s:
... | output | 1 | 42,346 | 12 | 84,693 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A permutation is a sequence of n integers from 1 to n, in which all the numbers occur exactly once. For example, [1], [3, 5, 2, 1, 4], [1, 3, 2] are permutations, and [2, 3, 2], [4, 3, 1], [0] are not.
Polycarp was given four integers n, l,... | instruction | 0 | 42,347 | 12 | 84,694 |
Tags: brute force, greedy, math
Correct Solution:
```
# Legends Always Come Up with Solution
# Author: Manvir Singh
import os
import sys
from io import BytesIO, IOBase
def main():
for _ in range(int(input())):
n, l, r, s = map(int, input().split())
z = r - l + 1
if s < (z * (z + 1) // 2) o... | output | 1 | 42,347 | 12 | 84,695 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A permutation is a sequence of n integers from 1 to n, in which all the numbers occur exactly once. For example, [1], [3, 5, 2, 1, 4], [1, 3, 2] are permutations, and [2, 3, 2], [4, 3, 1], [0] are not.
Polycarp was given four integers n, l,... | instruction | 0 | 42,348 | 12 | 84,696 |
Tags: brute force, greedy, math
Correct Solution:
```
for _ in range(int(input())):
n,l,r,s=map(int,input().split())
z=r-l+1
p=0
q=0
i=0
b=list([i+1 for i in range(n)])
a=list(b[:z])
while i<z:
p=p+i+1
q=q+n-i
i+=1
c=s-p
if s<=q and s>=p:
i=-1
... | output | 1 | 42,348 | 12 | 84,697 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A permutation is a sequence of n integers from 1 to n, in which all the numbers occur exactly once. For example, [1], [3, 5, 2, 1, 4], [1, 3, 2] are permutations, and [2, 3, 2], [4, 3, 1], [0] a... | instruction | 0 | 42,349 | 12 | 84,698 |
Yes | output | 1 | 42,349 | 12 | 84,699 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A permutation is a sequence of n integers from 1 to n, in which all the numbers occur exactly once. For example, [1], [3, 5, 2, 1, 4], [1, 3, 2] are permutations, and [2, 3, 2], [4, 3, 1], [0] a... | instruction | 0 | 42,350 | 12 | 84,700 |
Yes | output | 1 | 42,350 | 12 | 84,701 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A permutation is a sequence of n integers from 1 to n, in which all the numbers occur exactly once. For example, [1], [3, 5, 2, 1, 4], [1, 3, 2] are permutations, and [2, 3, 2], [4, 3, 1], [0] a... | instruction | 0 | 42,351 | 12 | 84,702 |
Yes | output | 1 | 42,351 | 12 | 84,703 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A permutation is a sequence of n integers from 1 to n, in which all the numbers occur exactly once. For example, [1], [3, 5, 2, 1, 4], [1, 3, 2] are permutations, and [2, 3, 2], [4, 3, 1], [0] a... | instruction | 0 | 42,352 | 12 | 84,704 |
Yes | output | 1 | 42,352 | 12 | 84,705 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A permutation is a sequence of n integers from 1 to n, in which all the numbers occur exactly once. For example, [1], [3, 5, 2, 1, 4], [1, 3, 2] are permutations, and [2, 3, 2], [4, 3, 1], [0] a... | instruction | 0 | 42,353 | 12 | 84,706 |
No | output | 1 | 42,353 | 12 | 84,707 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A permutation is a sequence of n integers from 1 to n, in which all the numbers occur exactly once. For example, [1], [3, 5, 2, 1, 4], [1, 3, 2] are permutations, and [2, 3, 2], [4, 3, 1], [0] a... | instruction | 0 | 42,354 | 12 | 84,708 |
No | output | 1 | 42,354 | 12 | 84,709 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A permutation is a sequence of n integers from 1 to n, in which all the numbers occur exactly once. For example, [1], [3, 5, 2, 1, 4], [1, 3, 2] are permutations, and [2, 3, 2], [4, 3, 1], [0] a... | instruction | 0 | 42,355 | 12 | 84,710 |
No | output | 1 | 42,355 | 12 | 84,711 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A permutation is a sequence of n integers from 1 to n, in which all the numbers occur exactly once. For example, [1], [3, 5, 2, 1, 4], [1, 3, 2] are permutations, and [2, 3, 2], [4, 3, 1], [0] a... | instruction | 0 | 42,356 | 12 | 84,712 |
No | output | 1 | 42,356 | 12 | 84,713 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a with n distinct integers. Construct an array b by permuting a such that for every non-empty subset of indices S = {x1, x2, ..., xk} (1 ≤ xi ≤ n, 0 < k < n) the sums of elements on that positions in a and b are differ... | instruction | 0 | 42,594 | 12 | 85,188 |
Tags: constructive algorithms, greedy
Correct Solution:
```
n = int(input())
a = list(map(int , input().split()))
ans = list()
for i in range(n):
ans.append(0)
position = dict()
for i in range(n):
position[a[i]] = i;
a = sorted(a)
ans[position[a[n - 1]]] = a[0];
for i in range(n - 1):
ans[position[a[i]]] = ... | output | 1 | 42,594 | 12 | 85,189 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a with n distinct integers. Construct an array b by permuting a such that for every non-empty subset of indices S = {x1, x2, ..., xk} (1 ≤ xi ≤ n, 0 < k < n) the sums of elements on that positions in a and b are differ... | instruction | 0 | 42,595 | 12 | 85,190 |
Tags: constructive algorithms, greedy
Correct Solution:
```
n = int(input())
a = [int(i) for i in input().split()]
if n == 1:
print(a[0])
else:
a_with_index = [[a[i], i] for i in range(n)]
a_with_index.sort()
ans = [0 for i in range(n)]
for i in range(n):
ans[a_with_index[i][1]] = str(a_with... | output | 1 | 42,595 | 12 | 85,191 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a with n distinct integers. Construct an array b by permuting a such that for every non-empty subset of indices S = {x1, x2, ..., xk} (1 ≤ xi ≤ n, 0 < k < n) the sums of elements on that positions in a and b are differ... | instruction | 0 | 42,596 | 12 | 85,192 |
Tags: constructive algorithms, greedy
Correct Solution:
```
n = int(input())
a = list(map(int, input().split()))
sorted_a = sorted(a)
shifted_sorted_a = [sorted_a[-1]] + sorted_a[:-1]
#print(sorted_a)
#print(shifted_sorted_a)
for i in range(len(a)):
pos_in_sorted = sorted_a.index(a[i])
print(shifted_sorted_a[pos_in_s... | output | 1 | 42,596 | 12 | 85,193 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a with n distinct integers. Construct an array b by permuting a such that for every non-empty subset of indices S = {x1, x2, ..., xk} (1 ≤ xi ≤ n, 0 < k < n) the sums of elements on that positions in a and b are differ... | instruction | 0 | 42,597 | 12 | 85,194 |
Tags: constructive algorithms, greedy
Correct Solution:
```
n = int(input())
j = [int(x) for x in input().split(" ")]
if n ==1:
print(j[0])
else:
k = [[j[i],i] for i in range(n)]
k.sort()
o = [0 for i in range(len(k))]
for i in range(len(k)):
o[k[i][1]] = str(k[(i+1)%n][0])
pri... | output | 1 | 42,597 | 12 | 85,195 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a with n distinct integers. Construct an array b by permuting a such that for every non-empty subset of indices S = {x1, x2, ..., xk} (1 ≤ xi ≤ n, 0 < k < n) the sums of elements on that positions in a and b are differ... | instruction | 0 | 42,598 | 12 | 85,196 |
Tags: constructive algorithms, greedy
Correct Solution:
```
# -*- coding: utf-8 -*-
import math
import collections
import bisect
import heapq
import time
import random
import itertools
import sys
"""
created by shhuan at 2017/11/17 22:54
"""
N = int(input())
A = [int(x) for x in input().split()]
wc = collections.... | output | 1 | 42,598 | 12 | 85,197 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a with n distinct integers. Construct an array b by permuting a such that for every non-empty subset of indices S = {x1, x2, ..., xk} (1 ≤ xi ≤ n, 0 < k < n) the sums of elements on that positions in a and b are differ... | instruction | 0 | 42,599 | 12 | 85,198 |
Tags: constructive algorithms, greedy
Correct Solution:
```
#!/usr/bin/env python3
n = int(input())
A = list(map(int,input().split()))
S = sorted(A) #sorted((A[i],i) for i in range(n))
P = {S[i]:S[(i+1)%n] for i in range(n)}
B = [P[a] for a in A]
print(' '.join(map(str,B)))
``` | output | 1 | 42,599 | 12 | 85,199 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a with n distinct integers. Construct an array b by permuting a such that for every non-empty subset of indices S = {x1, x2, ..., xk} (1 ≤ xi ≤ n, 0 < k < n) the sums of elements on that positions in a and b are differ... | instruction | 0 | 42,600 | 12 | 85,200 |
Tags: constructive algorithms, greedy
Correct Solution:
```
n = int(input())
A = list(map(int, input().split()))
C = []
for i, a in enumerate(A):
C.append((a, i))
C.sort()
B = [-1]*n
for i in range(n-1):
B[C[i+1][1]] = C[i][0]
B[C[0][1]] = C[-1][0]
print(*B)
``` | output | 1 | 42,600 | 12 | 85,201 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array a with n distinct integers. Construct an array b by permuting a such that for every non-empty subset of indices S = {x1, x2, ..., xk} (1 ≤ xi ≤ n, 0 < k < n) the sums of elements on that positions in a and b are differ... | instruction | 0 | 42,601 | 12 | 85,202 |
Tags: constructive algorithms, greedy
Correct Solution:
```
n = int(input())
a = [int(i) for i in input().split()]
b = sorted(a)
s = {}
for i in range(-1, n-1): s[b[i+1]] = b[i]
print(' '.join([str(s[i]) for i in a]))
``` | output | 1 | 42,601 | 12 | 85,203 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array a with n distinct integers. Construct an array b by permuting a such that for every non-empty subset of indices S = {x1, x2, ..., xk} (1 ≤ xi ≤ n, 0 < k < n) the sums of e... | instruction | 0 | 42,602 | 12 | 85,204 |
Yes | output | 1 | 42,602 | 12 | 85,205 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array a with n distinct integers. Construct an array b by permuting a such that for every non-empty subset of indices S = {x1, x2, ..., xk} (1 ≤ xi ≤ n, 0 < k < n) the sums of e... | instruction | 0 | 42,603 | 12 | 85,206 |
Yes | output | 1 | 42,603 | 12 | 85,207 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array a with n distinct integers. Construct an array b by permuting a such that for every non-empty subset of indices S = {x1, x2, ..., xk} (1 ≤ xi ≤ n, 0 < k < n) the sums of e... | instruction | 0 | 42,604 | 12 | 85,208 |
Yes | output | 1 | 42,604 | 12 | 85,209 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array a with n distinct integers. Construct an array b by permuting a such that for every non-empty subset of indices S = {x1, x2, ..., xk} (1 ≤ xi ≤ n, 0 < k < n) the sums of e... | instruction | 0 | 42,605 | 12 | 85,210 |
Yes | output | 1 | 42,605 | 12 | 85,211 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array a with n distinct integers. Construct an array b by permuting a such that for every non-empty subset of indices S = {x1, x2, ..., xk} (1 ≤ xi ≤ n, 0 < k < n) the sums of e... | instruction | 0 | 42,606 | 12 | 85,212 |
No | output | 1 | 42,606 | 12 | 85,213 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array a with n distinct integers. Construct an array b by permuting a such that for every non-empty subset of indices S = {x1, x2, ..., xk} (1 ≤ xi ≤ n, 0 < k < n) the sums of e... | instruction | 0 | 42,607 | 12 | 85,214 |
No | output | 1 | 42,607 | 12 | 85,215 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array a with n distinct integers. Construct an array b by permuting a such that for every non-empty subset of indices S = {x1, x2, ..., xk} (1 ≤ xi ≤ n, 0 < k < n) the sums of e... | instruction | 0 | 42,608 | 12 | 85,216 |
No | output | 1 | 42,608 | 12 | 85,217 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array a with n distinct integers. Construct an array b by permuting a such that for every non-empty subset of indices S = {x1, x2, ..., xk} (1 ≤ xi ≤ n, 0 < k < n) the sums of e... | instruction | 0 | 42,609 | 12 | 85,218 |
No | output | 1 | 42,609 | 12 | 85,219 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array of positive integers. While there are at least two equal elements, we will perform the following operation. We choose the smallest value x that occurs in the array 2 or more times. Take the first two occurrences of x i... | instruction | 0 | 42,631 | 12 | 85,262 |
Tags: data structures, implementation
Correct Solution:
```
def merge(a,b):
la=len(a)
lb=len(b)
i=0
j=0
ans=[]
while i<la and j<lb:
if a[i]<b[j]:
ans.append(a[i])
i+=1
else:
ans.append(b[j])
j+=1
while i<la:
ans.append(a... | output | 1 | 42,631 | 12 | 85,263 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array of positive integers. While there are at least two equal elements, we will perform the following operation. We choose the smallest value x that occurs in the array 2 or more times. Take the first two occurrences of x i... | instruction | 0 | 42,632 | 12 | 85,264 |
Tags: data structures, implementation
Correct Solution:
```
from heapq import heappush, heappop
def main():
heap = []
for i in range(10, 0, -1):
heappush(heap, (i, -i))
print(heap)
while(heap):
print(heappop(heap), end = " ")
print()
def solve():
n = int(input())
arr = lis... | output | 1 | 42,632 | 12 | 85,265 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array of positive integers. While there are at least two equal elements, we will perform the following operation. We choose the smallest value x that occurs in the array 2 or more times. Take the first two occurrences of x i... | instruction | 0 | 42,633 | 12 | 85,266 |
Tags: data structures, implementation
Correct Solution:
```
n = int(input())
a = list(map(int, input().split()))
c = {}
for p in range(len(a)):
while c.get(a[p], -1) >= 0:
a[c[a[p]]] = 0
c[a[p]] = -1
a[p] *= 2
c[a[p]] = p
solution = [str(x) for x in a if x > 0]
print(len(solution))
p... | output | 1 | 42,633 | 12 | 85,267 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array of positive integers. While there are at least two equal elements, we will perform the following operation. We choose the smallest value x that occurs in the array 2 or more times. Take the first two occurrences of x i... | instruction | 0 | 42,634 | 12 | 85,268 |
Tags: data structures, implementation
Correct Solution:
```
n = int(input())
lis = list(map(int,input().split()))
d={}
for i in lis:
a=i
while a in d:
del d[a]
a*=2
d[a]=1
print(len(d))
for i in d:
print(i,end=' ')
``` | output | 1 | 42,634 | 12 | 85,269 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array of positive integers. While there are at least two equal elements, we will perform the following operation. We choose the smallest value x that occurs in the array 2 or more times. Take the first two occurrences of x i... | instruction | 0 | 42,635 | 12 | 85,270 |
Tags: data structures, implementation
Correct Solution:
```
# @oj: codeforces
# @id: hitwanyang
# @email: 296866643@qq.com
# @date: 2020-11-16 17:35
# @url:https://codeforc.es/contest/962/problem/D
import sys,os
from io import BytesIO, IOBase
import collections,itertools,bisect,heapq,math,string
from decimal import *
#... | output | 1 | 42,635 | 12 | 85,271 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array of positive integers. While there are at least two equal elements, we will perform the following operation. We choose the smallest value x that occurs in the array 2 or more times. Take the first two occurrences of x i... | instruction | 0 | 42,636 | 12 | 85,272 |
Tags: data structures, implementation
Correct Solution:
```
n = int(input())
a = list(map(int, input().split()))
d = {}
for x in a:
while x in d:
del d[x]
x *= 2
d[x] = 0
print(len(d))
print(*d)
``` | output | 1 | 42,636 | 12 | 85,273 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array of positive integers. While there are at least two equal elements, we will perform the following operation. We choose the smallest value x that occurs in the array 2 or more times. Take the first two occurrences of x i... | instruction | 0 | 42,637 | 12 | 85,274 |
Tags: data structures, implementation
Correct Solution:
```
n = int(input())
a = [int(x) for x in input().split()]
d = {}
for i in range(n):
while a[i] in d:
d.pop(a[i])
a[i] *= 2
d[a[i]] = i
print(len(d))
print(*d)
``` | output | 1 | 42,637 | 12 | 85,275 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array of positive integers. While there are at least two equal elements, we will perform the following operation. We choose the smallest value x that occurs in the array 2 or more times. Take the first two occurrences of x i... | instruction | 0 | 42,638 | 12 | 85,276 |
Tags: data structures, implementation
Correct Solution:
```
tam = int(input())
vet = list(map(int, input().split()))
freq = {}
for i in range(tam):
num = vet[i]
while num in freq:
del freq[num]
num *= 2
freq[num] = i
print(len(freq))
print(*list(freq.keys()))
``` | output | 1 | 42,638 | 12 | 85,277 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array of positive integers. While there are at least two equal elements, we will perform the following operation. We choose the smallest value x that occurs in the array 2 or mo... | instruction | 0 | 42,639 | 12 | 85,278 |
Yes | output | 1 | 42,639 | 12 | 85,279 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array of positive integers. While there are at least two equal elements, we will perform the following operation. We choose the smallest value x that occurs in the array 2 or mo... | instruction | 0 | 42,640 | 12 | 85,280 |
Yes | output | 1 | 42,640 | 12 | 85,281 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array of positive integers. While there are at least two equal elements, we will perform the following operation. We choose the smallest value x that occurs in the array 2 or mo... | instruction | 0 | 42,641 | 12 | 85,282 |
Yes | output | 1 | 42,641 | 12 | 85,283 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array of positive integers. While there are at least two equal elements, we will perform the following operation. We choose the smallest value x that occurs in the array 2 or mo... | instruction | 0 | 42,642 | 12 | 85,284 |
Yes | output | 1 | 42,642 | 12 | 85,285 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array of positive integers. While there are at least two equal elements, we will perform the following operation. We choose the smallest value x that occurs in the array 2 or mo... | instruction | 0 | 42,643 | 12 | 85,286 |
No | output | 1 | 42,643 | 12 | 85,287 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an array of positive integers. While there are at least two equal elements, we will perform the following operation. We choose the smallest value x that occurs in the array 2 or mo... | instruction | 0 | 42,644 | 12 | 85,288 |
No | output | 1 | 42,644 | 12 | 85,289 |
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