message stringlengths 2 28.7k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 21 109k | cluster float64 7 7 | __index_level_0__ int64 42 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 grid of squares with H horizontal rows and W vertical columns, where each square is painted white or black. HW characters from A_{11} to A_{HW} represent the colors of the square... | instruction | 0 | 3,144 | 7 | 6,288 |
Yes | output | 1 | 3,144 | 7 | 6,289 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a grid of squares with H horizontal rows and W vertical columns, where each square is painted white or black. HW characters from A_{11} to A_{HW} represent the colors of the square... | instruction | 0 | 3,145 | 7 | 6,290 |
Yes | output | 1 | 3,145 | 7 | 6,291 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a grid of squares with H horizontal rows and W vertical columns, where each square is painted white or black. HW characters from A_{11} to A_{HW} represent the colors of the square... | instruction | 0 | 3,146 | 7 | 6,292 |
No | output | 1 | 3,146 | 7 | 6,293 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a grid of squares with H horizontal rows and W vertical columns, where each square is painted white or black. HW characters from A_{11} to A_{HW} represent the colors of the square... | instruction | 0 | 3,147 | 7 | 6,294 |
No | output | 1 | 3,147 | 7 | 6,295 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a grid of squares with H horizontal rows and W vertical columns, where each square is painted white or black. HW characters from A_{11} to A_{HW} represent the colors of the square... | instruction | 0 | 3,148 | 7 | 6,296 |
No | output | 1 | 3,148 | 7 | 6,297 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a grid of squares with H horizontal rows and W vertical columns, where each square is painted white or black. HW characters from A_{11} to A_{HW} represent the colors of the square... | instruction | 0 | 3,149 | 7 | 6,298 |
No | output | 1 | 3,149 | 7 | 6,299 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Catherine has a deck of n cards, each of which is either red, green, or blue. As long as there are at least two cards left, she can do one of two actions:
* take any two (not necessarily adjacent) cards with different colors and exchange... | instruction | 0 | 3,780 | 7 | 7,560 |
Tags: constructive algorithms, dp, math
Correct Solution:
```
n = int(input())
s = input()
a,b,c = sorted((s.count(x),x) for x in 'RGB')
# print(a,b,c)
if a[0] or b[0]>1:
print ('BGR')
elif b[0] and c[0]>1:
print (''.join(sorted(a[1]+b[1])))
elif b[0]:
print (a[1])
elif c[0]:
print (c[1])
``` | output | 1 | 3,780 | 7 | 7,561 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Catherine has a deck of n cards, each of which is either red, green, or blue. As long as there are at least two cards left, she can do one of two actions:
* take any two (not necessarily adjacent) cards with different colors and exchange... | instruction | 0 | 3,781 | 7 | 7,562 |
Tags: constructive algorithms, dp, math
Correct Solution:
```
def main():
n = int(input())
s = input()
b, g, r = [s.count(i) for i in "BGR"]
if min(b, g, r) > 0:
print("BGR")
return
if max(b, g, r) == n:
if b == n: print("B")
if g == n: print("G")
if... | output | 1 | 3,781 | 7 | 7,563 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Catherine has a deck of n cards, each of which is either red, green, or blue. As long as there are at least two cards left, she can do one of two actions:
* take any two (not necessarily adjacent) cards with different colors and exchange... | instruction | 0 | 3,782 | 7 | 7,564 |
Tags: constructive algorithms, dp, math
Correct Solution:
```
from collections import Counter, deque
from sys import stdin
class UniqueDeque(deque):
def appendleft(self, *args, **kwargs):
if args[0] not in self:
return super().appendleft(*args, **kwargs)
def solve(s: str):
c = Counter(s)... | output | 1 | 3,782 | 7 | 7,565 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Catherine has a deck of n cards, each of which is either red, green, or blue. As long as there are at least two cards left, she can do one of two actions:
* take any two (not necessarily adjacent) cards with different colors and exchange... | instruction | 0 | 3,783 | 7 | 7,566 |
Tags: constructive algorithms, dp, math
Correct Solution:
```
n= int(input())
l=[x for x in input()]
s=set(l)
sl = len(s)
alpa = ['B', 'G', 'R']
if sl==1:
print(l[0])
elif sl==3:
print("BGR")
else:
l2=[]
for x in s:
l2.append(x)
c1=l.count(l2[0])
c2=l.count(l2[1])
if c1>1 and c... | output | 1 | 3,783 | 7 | 7,567 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Catherine has a deck of n cards, each of which is either red, green, or blue. As long as there are at least two cards left, she can do one of two actions:
* take any two (not necessarily adjacent) cards with different colors and exchange... | instruction | 0 | 3,784 | 7 | 7,568 |
Tags: constructive algorithms, dp, math
Correct Solution:
```
NumberOfCards = int(input())
InputString = input()
NumbersOfColors = {'B':0,'G':0,'R':0}
for Letter in InputString:
NumbersOfColors[Letter] += 1 # = NumberOfColors.get(Letter,0) + 1
NumberOfColors = 0
for value in list(NumbersOfColors.values()):
if ... | output | 1 | 3,784 | 7 | 7,569 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Catherine has a deck of n cards, each of which is either red, green, or blue. As long as there are at least two cards left, she can do one of two actions:
* take any two (not necessarily adjacent) cards with different colors and exchange... | instruction | 0 | 3,785 | 7 | 7,570 |
Tags: constructive algorithms, dp, math
Correct Solution:
```
a = int(input())
s = input()
arr = [0, 0, 0]
def sum(arr):
c = 0
for i in arr:
c += i
return c
def determine(arr, poss, seen):
if seen[arr[0]][arr[1]][arr[2]]:
return poss
elif sum(arr) == 1:
if arr[0] == 1:
seen[1][0][0] = True
poss[0] =... | output | 1 | 3,785 | 7 | 7,571 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Catherine has a deck of n cards, each of which is either red, green, or blue. As long as there are at least two cards left, she can do one of two actions:
* take any two (not necessarily adjacent) cards with different colors and exchange... | instruction | 0 | 3,786 | 7 | 7,572 |
Tags: constructive algorithms, dp, math
Correct Solution:
```
from collections import defaultdict
def mp(): return map(int,input().split())
def lt(): return list(map(int,input().split()))
def pt(x): print(x)
def ip(): return input()
def it(): return int(input())
def sl(x): return [t for t in x]
def spl(x): return... | output | 1 | 3,786 | 7 | 7,573 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Catherine has a deck of n cards, each of which is either red, green, or blue. As long as there are at least two cards left, she can do one of two actions:
* take any two (not necessarily adjacent) cards with different colors and exchange... | instruction | 0 | 3,787 | 7 | 7,574 |
Tags: constructive algorithms, dp, math
Correct Solution:
```
n = int(input())
s = input()
r = s.count('R')
g = s.count('G')
b = s.count('B')
if r>=1 and g>=1 and b>=1:
print('BGR')
elif r+g==0:
print('B')
elif b+g==0:
print('R')
elif b+r==0:
print('G')
elif r==0:
if b+g==2:
print('R')
e... | output | 1 | 3,787 | 7 | 7,575 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Catherine has a deck of n cards, each of which is either red, green, or blue. As long as there are at least two cards left, she can do one of two actions:
* take any two (not necessarily adj... | instruction | 0 | 3,788 | 7 | 7,576 |
Yes | output | 1 | 3,788 | 7 | 7,577 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Catherine has a deck of n cards, each of which is either red, green, or blue. As long as there are at least two cards left, she can do one of two actions:
* take any two (not necessarily adj... | instruction | 0 | 3,789 | 7 | 7,578 |
Yes | output | 1 | 3,789 | 7 | 7,579 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Catherine has a deck of n cards, each of which is either red, green, or blue. As long as there are at least two cards left, she can do one of two actions:
* take any two (not necessarily adj... | instruction | 0 | 3,790 | 7 | 7,580 |
Yes | output | 1 | 3,790 | 7 | 7,581 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Catherine has a deck of n cards, each of which is either red, green, or blue. As long as there are at least two cards left, she can do one of two actions:
* take any two (not necessarily adj... | instruction | 0 | 3,791 | 7 | 7,582 |
Yes | output | 1 | 3,791 | 7 | 7,583 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Catherine has a deck of n cards, each of which is either red, green, or blue. As long as there are at least two cards left, she can do one of two actions:
* take any two (not necessarily adj... | instruction | 0 | 3,792 | 7 | 7,584 |
No | output | 1 | 3,792 | 7 | 7,585 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Catherine has a deck of n cards, each of which is either red, green, or blue. As long as there are at least two cards left, she can do one of two actions:
* take any two (not necessarily adj... | instruction | 0 | 3,793 | 7 | 7,586 |
No | output | 1 | 3,793 | 7 | 7,587 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Catherine has a deck of n cards, each of which is either red, green, or blue. As long as there are at least two cards left, she can do one of two actions:
* take any two (not necessarily adj... | instruction | 0 | 3,794 | 7 | 7,588 |
No | output | 1 | 3,794 | 7 | 7,589 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Catherine has a deck of n cards, each of which is either red, green, or blue. As long as there are at least two cards left, she can do one of two actions:
* take any two (not necessarily adj... | instruction | 0 | 3,795 | 7 | 7,590 |
No | output | 1 | 3,795 | 7 | 7,591 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Professor Ibrahim has prepared the final homework for his algorithm’s class. He asked his students to implement the Posterization Image Filter.
Their algorithm will be tested on an array of integers, where the i-th integer represents the co... | instruction | 0 | 3,916 | 7 | 7,832 |
Tags: games, greedy
Correct Solution:
```
n, k = map(int, input().strip().split())
data = map(int, input().strip().split())
sol = []
mapping = [(-1,1000)]*256
for x in data:
if mapping[x][0] == -1:
for i in range(max(x-k+1,0), x+1):
if mapping[i][0] == -1:
if i > 0 and mapping[i-... | output | 1 | 3,916 | 7 | 7,833 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Professor Ibrahim has prepared the final homework for his algorithm’s class. He asked his students to implement the Posterization Image Filter.
Their algorithm will be tested on an array of integers, where the i-th integer represents the co... | instruction | 0 | 3,917 | 7 | 7,834 |
Tags: games, greedy
Correct Solution:
```
R = lambda: map(int, input().split())
n, k = R()
a = list(range(0, 257)); v = [1]*257
# print(a)
# print(v)
for p in R():
if v[p]:
t = p
# print(t)
while t >= 0 and p-a[t]<=k-1:
# print(t)
t -= 1
t += 1
for i i... | output | 1 | 3,917 | 7 | 7,835 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Professor Ibrahim has prepared the final homework for his algorithm’s class. He asked his students to implement the Posterization Image Filter.
Their algorithm will be tested on an array of integers, where the i-th integer represents the co... | instruction | 0 | 3,918 | 7 | 7,836 |
Tags: games, greedy
Correct Solution:
```
import atexit
import io
import sys
# Buffering IO
_INPUT_LINES = sys.stdin.read().splitlines()
input = iter(_INPUT_LINES).__next__
_OUTPUT_BUFFER = io.StringIO()
sys.stdout = _OUTPUT_BUFFER
@atexit.register
def write():
sys.__stdout__.write(_OUTPUT_BUFFER.getvalue())
... | output | 1 | 3,918 | 7 | 7,837 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Professor Ibrahim has prepared the final homework for his algorithm’s class. He asked his students to implement the Posterization Image Filter.
Their algorithm will be tested on an array of integers, where the i-th integer represents the co... | instruction | 0 | 3,919 | 7 | 7,838 |
Tags: games, greedy
Correct Solution:
```
N, K = input().split()
N, K = int(N), int(K)
P = [int(x) for x in input().split()]
A = [None]*256
A[0] = 0
for i in range(N):
pn = P[i]
if A[pn] is None:
for j in range(K-1, -1, -1):
if pn < j: continue
if A[pn-j] is None:
... | output | 1 | 3,919 | 7 | 7,839 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Professor Ibrahim has prepared the final homework for his algorithm’s class. He asked his students to implement the Posterization Image Filter.
Their algorithm will be tested on an array of integers, where the i-th integer represents the co... | instruction | 0 | 3,920 | 7 | 7,840 |
Tags: games, greedy
Correct Solution:
```
n, k = map(int, input().split())
a = map(int, input().split())
ans = [0]*n
f = [-1]*256
i = -1
for x in a:
i += 1
if f[x] < 0:
l = x
while l > 0 > f[l - 1] and x - l < k - 1:
l -= 1
if l > 0 and x - f[l - 1] < k and f[l - 1] >= 0:
... | output | 1 | 3,920 | 7 | 7,841 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Professor Ibrahim has prepared the final homework for his algorithm’s class. He asked his students to implement the Posterization Image Filter.
Their algorithm will be tested on an array of integers, where the i-th integer represents the co... | instruction | 0 | 3,921 | 7 | 7,842 |
Tags: games, greedy
Correct Solution:
```
n, k = list(map(int, input().split()))
p = list(map(int, input().split()))
processed = set()
color = {}
length = {}
ans = []
def exists(p, elt, d):
for e in p:
if e > elt:
if e <= elt + d:
return True
elif e - d <= elt + d:
... | output | 1 | 3,921 | 7 | 7,843 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Professor Ibrahim has prepared the final homework for his algorithm’s class. He asked his students to implement the Posterization Image Filter.
Their algorithm will be tested on an array of integers, where the i-th integer represents the co... | instruction | 0 | 3,922 | 7 | 7,844 |
Tags: games, greedy
Correct Solution:
```
R = lambda: map(int, input().split())
n, k = R()
a = list(range(0, 257)); v = [1]*257
for p in R():
if v[p]:
t = p
while t >= 0 and p-a[t]<=k-1: t -= 1
t += 1
for i in range(t, p+1): a[i] = a[t]; v[i] = 0
print(a[p], end=' ')
``` | output | 1 | 3,922 | 7 | 7,845 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Professor Ibrahim has prepared the final homework for his algorithm’s class. He asked his students to implement the Posterization Image Filter.
Their algorithm will be tested on an array of integers, where the i-th integer represents the co... | instruction | 0 | 3,923 | 7 | 7,846 |
Tags: games, greedy
Correct Solution:
```
n,k = list(map(int,input().split()))
arr = list(map(int,input().split()))
val = [-1]*256
val[0] = 0
for i in range(0,n):
if(val[arr[i]] > -1):
print(val[arr[i]],end = " ")
else:
flag = 0
for j in range(1,k):
if( val[arr[i]-j] > -1 ):
if(arr[i] - val[arr[i]-j] ... | output | 1 | 3,923 | 7 | 7,847 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Professor Ibrahim has prepared the final homework for his algorithm’s class. He asked his students to implement the Posterization Image Filter.
Their algorithm will be tested on an array of int... | instruction | 0 | 3,924 | 7 | 7,848 |
Yes | output | 1 | 3,924 | 7 | 7,849 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Professor Ibrahim has prepared the final homework for his algorithm’s class. He asked his students to implement the Posterization Image Filter.
Their algorithm will be tested on an array of int... | instruction | 0 | 3,925 | 7 | 7,850 |
Yes | output | 1 | 3,925 | 7 | 7,851 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Professor Ibrahim has prepared the final homework for his algorithm’s class. He asked his students to implement the Posterization Image Filter.
Their algorithm will be tested on an array of int... | instruction | 0 | 3,926 | 7 | 7,852 |
Yes | output | 1 | 3,926 | 7 | 7,853 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Professor Ibrahim has prepared the final homework for his algorithm’s class. He asked his students to implement the Posterization Image Filter.
Their algorithm will be tested on an array of int... | instruction | 0 | 3,927 | 7 | 7,854 |
Yes | output | 1 | 3,927 | 7 | 7,855 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Professor Ibrahim has prepared the final homework for his algorithm’s class. He asked his students to implement the Posterization Image Filter.
Their algorithm will be tested on an array of int... | instruction | 0 | 3,928 | 7 | 7,856 |
No | output | 1 | 3,928 | 7 | 7,857 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Professor Ibrahim has prepared the final homework for his algorithm’s class. He asked his students to implement the Posterization Image Filter.
Their algorithm will be tested on an array of int... | instruction | 0 | 3,929 | 7 | 7,858 |
No | output | 1 | 3,929 | 7 | 7,859 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Professor Ibrahim has prepared the final homework for his algorithm’s class. He asked his students to implement the Posterization Image Filter.
Their algorithm will be tested on an array of int... | instruction | 0 | 3,930 | 7 | 7,860 |
No | output | 1 | 3,930 | 7 | 7,861 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Professor Ibrahim has prepared the final homework for his algorithm’s class. He asked his students to implement the Posterization Image Filter.
Their algorithm will be tested on an array of int... | instruction | 0 | 3,931 | 7 | 7,862 |
No | output | 1 | 3,931 | 7 | 7,863 |
Provide a correct Python 3 solution for this coding contest problem.
A young boy John is playing with eight triangular panels. These panels are all regular triangles of the same size, each painted in a single color; John is forming various octahedra with them.
While he enjoys his playing, his father is wondering how ... | instruction | 0 | 4,127 | 7 | 8,254 |
"Correct Solution:
```
import math,string,itertools,fractions,heapq,collections,re,array,bisect,sys,random,time,copy,functools
sys.setrecursionlimit(10**7)
inf = 10**20
eps = 1.0 / 10**13
mod = 10**9+7
dd = [(-1,0),(0,1),(1,0),(0,-1)]
ddn = [(-1,0),(-1,1),(0,1),(1,1),(1,0),(1,-1),(0,-1),(-1,-1)]
def LI(): return [int... | output | 1 | 4,127 | 7 | 8,255 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Pasha is a young technician, nevertheless, he has already got a huge goal: to assemble a PC. The first task he has to become familiar with is to assemble an electric scheme.
The scheme Pasha as... | instruction | 0 | 4,177 | 7 | 8,354 |
No | output | 1 | 4,177 | 7 | 8,355 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Pasha is a young technician, nevertheless, he has already got a huge goal: to assemble a PC. The first task he has to become familiar with is to assemble an electric scheme.
The scheme Pasha as... | instruction | 0 | 4,178 | 7 | 8,356 |
No | output | 1 | 4,178 | 7 | 8,357 |
Provide tags and a correct Python 3 solution for this coding contest problem.
RedDreamer has an array a consisting of n non-negative integers, and an unlucky integer T.
Let's denote the misfortune of array b having length m as f(b) — the number of pairs of integers (i, j) such that 1 ≤ i < j ≤ m and b_i + b_j = T. Re... | instruction | 0 | 4,383 | 7 | 8,766 |
Tags: greedy, math, sortings
Correct Solution:
```
# cook your dish here
#_________________ Mukul Mohan Varshney _______________#
#Template
import sys
import os
import math
import copy
from math import gcd
from bisect import bisect
from io import BytesIO, IOBase
from math import sqrt,floor,factorial,gcd,log,ceil
from... | output | 1 | 4,383 | 7 | 8,767 |
Provide tags and a correct Python 3 solution for this coding contest problem.
RedDreamer has an array a consisting of n non-negative integers, and an unlucky integer T.
Let's denote the misfortune of array b having length m as f(b) — the number of pairs of integers (i, j) such that 1 ≤ i < j ≤ m and b_i + b_j = T. Re... | instruction | 0 | 4,384 | 7 | 8,768 |
Tags: greedy, math, sortings
Correct Solution:
```
import sys, os, io
def rs(): return sys.stdin.readline().rstrip()
def ri(): return int(sys.stdin.readline())
def ria(): return list(map(int, sys.stdin.readline().split()))
def ws(s): sys.stdout.write(s + '\n')
def wi(n): sys.stdout.write(str(n) + '\n')
def wia(a): sys.... | output | 1 | 4,384 | 7 | 8,769 |
Provide tags and a correct Python 3 solution for this coding contest problem.
RedDreamer has an array a consisting of n non-negative integers, and an unlucky integer T.
Let's denote the misfortune of array b having length m as f(b) — the number of pairs of integers (i, j) such that 1 ≤ i < j ≤ m and b_i + b_j = T. Re... | instruction | 0 | 4,385 | 7 | 8,770 |
Tags: greedy, math, sortings
Correct Solution:
```
import sys
from collections import defaultdict as dd
from collections import Counter as cc
from queue import Queue
import math
import itertools
try:
sys.stdin = open('input.txt', 'r')
sys.stdout = open('output.txt', 'w')
except:
pass
input = lambda: sys.stdin.buffer... | output | 1 | 4,385 | 7 | 8,771 |
Provide tags and a correct Python 3 solution for this coding contest problem.
RedDreamer has an array a consisting of n non-negative integers, and an unlucky integer T.
Let's denote the misfortune of array b having length m as f(b) — the number of pairs of integers (i, j) such that 1 ≤ i < j ≤ m and b_i + b_j = T. Re... | instruction | 0 | 4,386 | 7 | 8,772 |
Tags: greedy, math, sortings
Correct Solution:
```
from sys import stdin
tt = int(stdin.readline())
for loop in range(tt):
n,T = map(int,stdin.readline().split())
a = list(map(int,stdin.readline().split()))
cnt = 0
p = [None] * n
for i in range(n):
if a[i]*2 < T:
p[i] = 0
... | output | 1 | 4,386 | 7 | 8,773 |
Provide tags and a correct Python 3 solution for this coding contest problem.
RedDreamer has an array a consisting of n non-negative integers, and an unlucky integer T.
Let's denote the misfortune of array b having length m as f(b) — the number of pairs of integers (i, j) such that 1 ≤ i < j ≤ m and b_i + b_j = T. Re... | instruction | 0 | 4,387 | 7 | 8,774 |
Tags: greedy, math, sortings
Correct Solution:
```
for T in range(int(input())):
n,t=map(int,input().split())
a=list(map(int,input().split()))
arr,d=[],{}
for i in range(len(a)):
arr.append([a[i],i])
d[a[i],i]=0
arr.sort(key=lambda x : x[0])
i,j=0,n-1
while(i<j):
if... | output | 1 | 4,387 | 7 | 8,775 |
Provide tags and a correct Python 3 solution for this coding contest problem.
RedDreamer has an array a consisting of n non-negative integers, and an unlucky integer T.
Let's denote the misfortune of array b having length m as f(b) — the number of pairs of integers (i, j) such that 1 ≤ i < j ≤ m and b_i + b_j = T. Re... | instruction | 0 | 4,388 | 7 | 8,776 |
Tags: greedy, math, sortings
Correct Solution:
```
for _ in range(int(input())):
n,k = map(int,input().split())
w=[];b=[];sd={};bd={};sw=set();sb=set()
lis = list(map(int,input().split()))
ans=[0]*(n)
c=0
for i in lis:
if k-i not in sw:
sw.add(i)
sd[i]=1
... | output | 1 | 4,388 | 7 | 8,777 |
Provide tags and a correct Python 3 solution for this coding contest problem.
RedDreamer has an array a consisting of n non-negative integers, and an unlucky integer T.
Let's denote the misfortune of array b having length m as f(b) — the number of pairs of integers (i, j) such that 1 ≤ i < j ≤ m and b_i + b_j = T. Re... | instruction | 0 | 4,389 | 7 | 8,778 |
Tags: greedy, math, sortings
Correct Solution:
```
import random
def gcd(a, b):
if a == 0:
return b
return gcd(b % a, a)
def lcm(a, b):
return (a * b) / gcd(a, b)
for _ in range(int(input())):
#n = int(input())
n,t= map(int, input().split())
a = list(map(int, input().split()))
... | output | 1 | 4,389 | 7 | 8,779 |
Provide tags and a correct Python 3 solution for this coding contest problem.
RedDreamer has an array a consisting of n non-negative integers, and an unlucky integer T.
Let's denote the misfortune of array b having length m as f(b) — the number of pairs of integers (i, j) such that 1 ≤ i < j ≤ m and b_i + b_j = T. Re... | instruction | 0 | 4,390 | 7 | 8,780 |
Tags: greedy, math, sortings
Correct Solution:
```
from sys import stdin, stdout
import math,sys
from itertools import permutations, combinations
from collections import defaultdict,deque,OrderedDict,Counter
from os import path
from bisect import bisect_left
import heapq
mod=10**9+7
def yes():print('YES')
def no():pr... | output | 1 | 4,390 | 7 | 8,781 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
RedDreamer has an array a consisting of n non-negative integers, and an unlucky integer T.
Let's denote the misfortune of array b having length m as f(b) — the number of pairs of integers (i, j... | instruction | 0 | 4,391 | 7 | 8,782 |
Yes | output | 1 | 4,391 | 7 | 8,783 |
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