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.
Nastya owns too many arrays now, so she wants to delete the least important of them. However, she discovered that this array is magic! Nastya now knows that the array has the following propertie... | instruction | 0 | 23,555 | 12 | 47,110 |
No | output | 1 | 23,555 | 12 | 47,111 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Nastya owns too many arrays now, so she wants to delete the least important of them. However, she discovered that this array is magic! Nastya now knows that the array has the following propertie... | instruction | 0 | 23,556 | 12 | 47,112 |
No | output | 1 | 23,556 | 12 | 47,113 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Nastya owns too many arrays now, so she wants to delete the least important of them. However, she discovered that this array is magic! Nastya now knows that the array has the following propertie... | instruction | 0 | 23,557 | 12 | 47,114 |
No | output | 1 | 23,557 | 12 | 47,115 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya has written some permutation p_1, p_2, …, p_n of integers from 1 to n, so for all 1 ≤ i ≤ n it is true that 1 ≤ p_i ≤ n and all p_1, p_2, …, p_n are different. After that he wrote n numbers next_1, next_2, …, next_n. The number next_i ... | instruction | 0 | 23,913 | 12 | 47,826 |
Tags: constructive algorithms, data structures, dfs and similar, graphs, greedy, math, sortings
Correct Solution:
```
import sys
from array import array # noqa: F401
from typing import List, Tuple, TypeVar, Generic, Sequence, Union # noqa: F401
def input():
return sys.stdin.buffer.readline().decode('utf-8')
d... | output | 1 | 23,913 | 12 | 47,827 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vasya has written some permutation p_1, p_2, …, p_n of integers from 1 to n, so for all 1 ≤ i ≤ n it is true that 1 ≤ p_i ≤ n and all p_1, p_2, …, p_n are different. After that he wrote n number... | instruction | 0 | 23,914 | 12 | 47,828 |
No | output | 1 | 23,914 | 12 | 47,829 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vasya has written some permutation p_1, p_2, …, p_n of integers from 1 to n, so for all 1 ≤ i ≤ n it is true that 1 ≤ p_i ≤ n and all p_1, p_2, …, p_n are different. After that he wrote n number... | instruction | 0 | 23,915 | 12 | 47,830 |
No | output | 1 | 23,915 | 12 | 47,831 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an integer n.
You should find a list of pairs (x_1, y_1), (x_2, y_2), ..., (x_q, y_q) (1 ≤ x_i, y_i ≤ n) satisfying the following condition.
Let's consider some function f: N × N → N (we define N as the set of positive intege... | instruction | 0 | 23,982 | 12 | 47,964 |
Tags: constructive algorithms, divide and conquer
Correct Solution:
```
def foo(p):
if p == 0:
return []
l = foo(p - 1)
res = []
for t in l:
res += [t]
n=2**(p-1)
for t in l:
x,y=t
res+=[(x+n, y+n)]
for i in range(n):
res+=[(i, i+n)]
return res
... | output | 1 | 23,982 | 12 | 47,965 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an integer n.
You should find a list of pairs (x_1, y_1), (x_2, y_2), ..., (x_q, y_q) (1 ≤ x_i, y_i ≤ n) satisfying the following condition.
Let's consider some function f: N × N → N (we define N as the set of positive intege... | instruction | 0 | 23,983 | 12 | 47,966 |
Tags: constructive algorithms, divide and conquer
Correct Solution:
```
#include <CodeforcesSolutions.h>
#include <ONLINE_JUDGE <solution.cf(contestID = "1408",questionID = "A",method = "GET")>.h>
"""
Author : thekushalghosh
Team : CodeDiggers
I prefer Python language over the C++ language :p :D
... | output | 1 | 23,983 | 12 | 47,967 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an integer n.
You should find a list of pairs (x_1, y_1), (x_2, y_2), ..., (x_q, y_q) (1 ≤ x_i, y_i ≤ n) satisfying the following condition.
Let's consider some function f: N × N → N (we define N as the set of positive intege... | instruction | 0 | 23,984 | 12 | 47,968 |
Tags: constructive algorithms, divide and conquer
Correct Solution:
```
import sys
def minp():
return sys.stdin.readline().strip()
def mint():
return int(minp())
def mints():
return map(int, minp().split())
def pairss(n):
res = []
i = 1
while i < n:
for k in range(0,n,i*2):
for j in range(i):
res.app... | output | 1 | 23,984 | 12 | 47,969 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an integer n.
You should find a list of pairs (x_1, y_1), (x_2, y_2), ..., (x_q, y_q) (1 ≤ x_i, y_i ≤ n) satisfying the following condition.
Let's consider some function f: N × N → N (we define N as the set of positive intege... | instruction | 0 | 23,985 | 12 | 47,970 |
Tags: constructive algorithms, divide and conquer
Correct Solution:
```
n = int(input())
out = []
def p(a,b,d):
out.append(str(a + 1 + d) + ' ' + str(b+1+d))
p2 = 1
while 2 * p2 <= n:
p2 *= 2
for d in (0, n - p2):
bit = 1
while bit < p2:
for i in range(p2):
if i ^ bit > i:
... | output | 1 | 23,985 | 12 | 47,971 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an integer n.
You should find a list of pairs (x_1, y_1), (x_2, y_2), ..., (x_q, y_q) (1 ≤ x_i, y_i ≤ n) satisfying the following condition.
Let's consider some function f: N × N → N (we define N as the set of positive intege... | instruction | 0 | 23,986 | 12 | 47,972 |
Tags: constructive algorithms, divide and conquer
Correct Solution:
```
n = int(input())
def f(x, a):
if x == 2:
return [(a, a+1)]
else:
s = []
for i in range(x // 2):
s += [(a + i, a + i + x // 2)]
return f(x // 2, a) + f(x // 2, x // 2 + a) + s
if n == 0 or n == ... | output | 1 | 23,986 | 12 | 47,973 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an integer n.
You should find a list of pairs (x_1, y_1), (x_2, y_2), ..., (x_q, y_q) (1 ≤ x_i, y_i ≤ n) satisfying the following condition.
Let's consider some function f: N × N → N (we define N as the set of positive intege... | instruction | 0 | 23,987 | 12 | 47,974 |
Tags: constructive algorithms, divide and conquer
Correct Solution:
```
def f(x):
if(x==2):
return [(1,2)]
z=f(x//2)
l=list(z)
for i in z:
l.append((i[0]+x//2,i[1]+x//2))
for i in range(x//2):
l.append((i+1,i+x//2+1))
return l
n=int(input())
if(n==1):
print(0)
qui... | output | 1 | 23,987 | 12 | 47,975 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an integer n.
You should find a list of pairs (x_1, y_1), (x_2, y_2), ..., (x_q, y_q) (1 ≤ x_i, y_i ≤ n) satisfying the following condition.
Let's consider some function f: N × N → N (we define N as the set of positive intege... | instruction | 0 | 23,988 | 12 | 47,976 |
Tags: constructive algorithms, divide and conquer
Correct Solution:
```
def solve(l, r):
if r - l > 1:
mid = (l + r) // 2
solve(l, mid)
solve(mid + 1, r)
for i in range(l, mid + 1):
ans.append((i, mid + i - l + 1))
elif r - l == 1:
ans.append((l, r))
n = int... | output | 1 | 23,988 | 12 | 47,977 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an integer n.
You should find a list of pairs (x_1, y_1), (x_2, y_2), ..., (x_q, y_q) (1 ≤ x_i, y_i ≤ n) satisfying the following condition.
Let's consider some function f: N × N → N (we define N as the set of positive intege... | instruction | 0 | 23,989 | 12 | 47,978 |
Tags: constructive algorithms, divide and conquer
Correct Solution:
```
"""
Author - Satwik Tiwari .
27th Sept , 2020 - Sunday
"""
#===============================================================================================
#importing some useful libraries.
from __future__ import division, print_functio... | output | 1 | 23,989 | 12 | 47,979 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an integer n.
You should find a list of pairs (x_1, y_1), (x_2, y_2), ..., (x_q, y_q) (1 ≤ x_i, y_i ≤ n) satisfying the following condition.
Let's consider some function f: N × N... | instruction | 0 | 23,990 | 12 | 47,980 |
Yes | output | 1 | 23,990 | 12 | 47,981 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an integer n.
You should find a list of pairs (x_1, y_1), (x_2, y_2), ..., (x_q, y_q) (1 ≤ x_i, y_i ≤ n) satisfying the following condition.
Let's consider some function f: N × N... | instruction | 0 | 23,991 | 12 | 47,982 |
Yes | output | 1 | 23,991 | 12 | 47,983 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an integer n.
You should find a list of pairs (x_1, y_1), (x_2, y_2), ..., (x_q, y_q) (1 ≤ x_i, y_i ≤ n) satisfying the following condition.
Let's consider some function f: N × N... | instruction | 0 | 23,992 | 12 | 47,984 |
Yes | output | 1 | 23,992 | 12 | 47,985 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an integer n.
You should find a list of pairs (x_1, y_1), (x_2, y_2), ..., (x_q, y_q) (1 ≤ x_i, y_i ≤ n) satisfying the following condition.
Let's consider some function f: N × N... | instruction | 0 | 23,993 | 12 | 47,986 |
Yes | output | 1 | 23,993 | 12 | 47,987 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an integer n.
You should find a list of pairs (x_1, y_1), (x_2, y_2), ..., (x_q, y_q) (1 ≤ x_i, y_i ≤ n) satisfying the following condition.
Let's consider some function f: N × N... | instruction | 0 | 23,994 | 12 | 47,988 |
No | output | 1 | 23,994 | 12 | 47,989 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an integer n.
You should find a list of pairs (x_1, y_1), (x_2, y_2), ..., (x_q, y_q) (1 ≤ x_i, y_i ≤ n) satisfying the following condition.
Let's consider some function f: N × N... | instruction | 0 | 23,995 | 12 | 47,990 |
No | output | 1 | 23,995 | 12 | 47,991 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an integer n.
You should find a list of pairs (x_1, y_1), (x_2, y_2), ..., (x_q, y_q) (1 ≤ x_i, y_i ≤ n) satisfying the following condition.
Let's consider some function f: N × N... | instruction | 0 | 23,996 | 12 | 47,992 |
No | output | 1 | 23,996 | 12 | 47,993 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given an integer n.
You should find a list of pairs (x_1, y_1), (x_2, y_2), ..., (x_q, y_q) (1 ≤ x_i, y_i ≤ n) satisfying the following condition.
Let's consider some function f: N × N... | instruction | 0 | 23,997 | 12 | 47,994 |
No | output | 1 | 23,997 | 12 | 47,995 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Little Dima has two sequences of points with integer coordinates: sequence (a1, 1), (a2, 2), ..., (an, n) and sequence (b1, 1), (b2, 2), ..., (bn, n).
Now Dima wants to count the number of distinct sequences of points of length 2·n that can... | instruction | 0 | 24,119 | 12 | 48,238 |
Tags: combinatorics, math, sortings
Correct Solution:
```
n = int(input())
c, d = {}, {}
for x, y in zip(input().split(), input().split()):
c[x] = c.get(x, 1) + 1
c[y] = c.get(y, 1) + 1
if x == y: d[x] = d.get(x, 0) + 2
s, m = 1, int(input())
for k, v in c.items():
u = d.get(k, 0)
for i in range(v -... | output | 1 | 24,119 | 12 | 48,239 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Little Dima has two sequences of points with integer coordinates: sequence (a1, 1), (a2, 2), ..., (an, n) and sequence (b1, 1), (b2, 2), ..., (bn, n).
Now Dima wants to count the number of distinct sequences of points of length 2·n that can... | instruction | 0 | 24,120 | 12 | 48,240 |
Tags: combinatorics, math, sortings
Correct Solution:
```
from sys import stdin,stdout
nmbr = lambda: int(stdin.readline())
lst = lambda: list(map(int,stdin.readline().split()))
for _ in range(1):#nmbr()):
n=nmbr()
a=lst()
b=lst()
M=nmbr()
tot={}
ans=1
mp={}
for v,v1 in zip(a,b):
... | output | 1 | 24,120 | 12 | 48,241 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Little Dima has two sequences of points with integer coordinates: sequence (a1, 1), (a2, 2), ..., (an, n) and sequence (b1, 1), (b2, 2), ..., (bn, n).
Now Dima wants to count the number of distinct sequences of points of length 2·n that can... | instruction | 0 | 24,121 | 12 | 48,242 |
Tags: combinatorics, math, sortings
Correct Solution:
```
from math import sqrt,ceil,gcd
from collections import defaultdict
def modInverse(b,m):
g = gcd(b, m)
if (g != 1):
# print("Inverse doesn't exist")
return -1
else:
# If b and m are relatively prime,
# then modulo i... | output | 1 | 24,121 | 12 | 48,243 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Little Dima has two sequences of points with integer coordinates: sequence (a1, 1), (a2, 2), ..., (an, n) and sequence (b1, 1), (b2, 2), ..., (bn, n).
Now Dima wants to count the number of distinct sequences of points of length 2·n that can... | instruction | 0 | 24,122 | 12 | 48,244 |
Tags: combinatorics, math, sortings
Correct Solution:
```
from collections import defaultdict
def factorial(n, m, rep):
r = 1
for i in range(2, n + 1):
j = i
while j % 2 == 0 and rep > 0:
j = j// 2
rep -= 1
r *= j
r %= m
return r
n=int(input())
a=... | output | 1 | 24,122 | 12 | 48,245 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a sequence a consisting of n integers. Find the maximum possible value of <image> (integer remainder of ai divided by aj), where 1 ≤ i, j ≤ n and ai ≥ aj.
Input
The first line contains integer n — the length of the sequence (... | instruction | 0 | 24,216 | 12 | 48,432 |
Tags: binary search, math, sortings, two pointers
Correct Solution:
```
def main():
input()
aa = sorted(set(map(int, input().split())))
x = []
b = res = 0
for a in aa:
x += [b] * (a - b)
b = a
x.append(b)
maxa = aa.pop()
for a in reversed(aa):
if a < res:
... | output | 1 | 24,216 | 12 | 48,433 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a sequence a consisting of n integers. Find the maximum possible value of <image> (integer remainder of ai divided by aj), where 1 ≤ i, j ≤ n and ai ≥ aj.
Input
The first line contains integer n — the length of the sequence (... | instruction | 0 | 24,217 | 12 | 48,434 |
Tags: binary search, math, sortings, two pointers
Correct Solution:
```
# -*- coding:utf-8 -*-
"""
created by shuangquan.huang at 1/9/20
"""
import collections
import time
import os
import sys
import bisect
import heapq
from typing import List
def solve(A):
A = list(sorted(set(A)))
ma = 2 * max(A)
le... | output | 1 | 24,217 | 12 | 48,435 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a sequence a consisting of n integers. Find the maximum possible value of <image> (integer remainder of ai divided by aj), where 1 ≤ i, j ≤ n and ai ≥ aj.
Input
The first line contains integer n — the length of the sequence (... | instruction | 0 | 24,218 | 12 | 48,436 |
Tags: binary search, math, sortings, two pointers
Correct Solution:
```
def main():
input()
#aa = sorted(set(map(int, input().split())))
aa = sorted(map(int, set(input().split())))
x = []
b = res = 0
for a in aa:
if b != a:
for _ in range(b, a):
x.append(b)
... | output | 1 | 24,218 | 12 | 48,437 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a sequence a consisting of n integers. Find the maximum possible value of <image> (integer remainder of ai divided by aj), where 1 ≤ i, j ≤ n and ai ≥ aj.
Input
The first line contains integer n — the length of the sequence (... | instruction | 0 | 24,220 | 12 | 48,440 |
Tags: binary search, math, sortings, two pointers
Correct Solution:
```
import math
from bisect import bisect_right, bisect_left
from heapq import heappop, heappush
from itertools import accumulate
R = lambda: map(int, input().split())
n = int(input())
nums = set(R())
mn = max(nums)
arr = [0] * (mn + 1)
for x in nums:... | output | 1 | 24,220 | 12 | 48,441 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a sequence a consisting of n integers. Find the maximum possible value of <image> (integer remainder of ai divided by aj), where 1 ≤ i, j ≤ n and ai ≥ aj.
Input
The first line contains integer n — the length of the sequence (... | instruction | 0 | 24,221 | 12 | 48,442 |
Tags: binary search, math, sortings, two pointers
Correct Solution:
```
def main():
input()
aa = sorted(set(map(int, input().split())))
x = []
b = res = 0
for a in aa:
if b != a:
for _ in range(b, a):
x.append(b)
b = a
x.append(b)
maxa = aa.pop... | output | 1 | 24,221 | 12 | 48,443 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a sequence a consisting of n integers. Find the maximum possible value of <image> (integer remainder of ai divided by aj), where 1 ≤ i, j ≤ n and ai ≥ aj.
Input
The first line contains integer n — the length of the sequence (... | instruction | 0 | 24,223 | 12 | 48,446 |
Tags: binary search, math, sortings, two pointers
Correct Solution:
```
def main():
input()
aa = sorted(set(map(int, input().split())))
x = []
b = res = 0
for a in aa:
x += [b] * (a - b)
b = a
x.append(b)
maxa = aa.pop()
for a in reversed(aa):
if a <= res:
... | output | 1 | 24,223 | 12 | 48,447 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Programmer Sasha has recently begun to study data structures. His coach Stas told him to solve the problem of finding a minimum on the segment of the array in <image>, which Sasha coped with. For Sasha not to think that he had learned all, S... | instruction | 0 | 24,330 | 12 | 48,660 |
Tags: data structures, implementation
Correct Solution:
```
import sys,math as mt
import heapq as hp
import collections as cc
import bisect as bi
input=sys.stdin.buffer.readline
I=lambda:list(map(int,input().split()))
n,k=I()
a=[]
f=cc.defaultdict(int)
for i in range(n):
a.append(-(int(input())))
for i in range(k):
f... | output | 1 | 24,330 | 12 | 48,661 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Programmer Sasha has recently begun to study data structures. His coach Stas told him to solve the problem of finding a minimum on the segment of the array in <image>, which Sasha coped with. For Sasha not to think that he had learned all, S... | instruction | 0 | 24,331 | 12 | 48,662 |
Tags: data structures, implementation
Correct Solution:
```
from heapq import *
from collections import *
n, k = map(int, input().split())
a, queue = deque([int(input()) for i in range(n)]), []
mem = Counter(list(a)[:k])
for i in range(k):
if mem[a[i]] == 1:
queue.append(-a[i])
heapify(queue)
for i in r... | output | 1 | 24,331 | 12 | 48,663 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Programmer Sasha has recently begun to study data structures. His coach Stas told him to solve the problem of finding a minimum on the segment of the array in <image>, which Sasha coped with. For Sasha not to think that he had learned all, S... | instruction | 0 | 24,332 | 12 | 48,664 |
Tags: data structures, implementation
Correct Solution:
```
from sys import *
from bisect import *
from collections import *
p = list(map(int, stdin.read().split()))
n, k = p[0], p[1]
s, d = [], Counter(p[2:2 + k])
t = sorted(q for q in d if d[q] == 1)
g = lambda: s.append(str(t[-1]) if t else 'Nothing')
g()
for a, b i... | output | 1 | 24,332 | 12 | 48,665 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Programmer Sasha has recently begun to study data structures. His coach Stas told him to solve the problem of finding a minimum on the segment of the array in <image>, which Sasha coped with. For Sasha not to think that he had learned all, S... | instruction | 0 | 24,333 | 12 | 48,666 |
Tags: data structures, implementation
Correct Solution:
```
import sys
from bisect import bisect, insort
from collections import Counter
p = list(map(int, sys.stdin.read().split()))
n, k = p[0], p[1]
l = 2 + k
d = Counter(p[2:l])
t = sorted(q for q, k in d.items() if k == 1)
sub = lambda q: t.pop(bisect(t, q) - 1)
a... | output | 1 | 24,333 | 12 | 48,667 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Programmer Sasha has recently begun to study data structures. His coach Stas told him to solve the problem of finding a minimum on the segment of the array in <image>, which Sasha coped with. For Sasha not to think that he had learned all, S... | instruction | 0 | 24,334 | 12 | 48,668 |
Tags: data structures, implementation
Correct Solution:
```
from typing import TypeVar, Generic, Callable, List
import sys
from array import array # noqa: F401
from collections import Counter
def input():
return sys.stdin.buffer.readline().decode('utf-8')
minf = -10**9 - 100
T = TypeVar('T')
class SegmentT... | output | 1 | 24,334 | 12 | 48,669 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Programmer Sasha has recently begun to study data structures. His coach Stas told him to solve the problem of finding a minimum on the segment of the array in <image>, which Sasha coped with. For Sasha not to think that he had learned all, S... | instruction | 0 | 24,335 | 12 | 48,670 |
Tags: data structures, implementation
Correct Solution:
```
import sys
from math import gcd,sqrt,ceil,log2
from collections import defaultdict,Counter,deque
from bisect import bisect_left,bisect_right
import math
import heapq
from itertools import permutations
# input=sys.stdin.readline
# def print(x):
# sys.stdou... | output | 1 | 24,335 | 12 | 48,671 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Programmer Sasha has recently begun to study data structures. His coach Stas told him to solve the problem of finding a minimum on the segment of the array in <image>, which Sasha coped with. For Sasha not to think that he had learned all, S... | instruction | 0 | 24,336 | 12 | 48,672 |
Tags: data structures, implementation
Correct Solution:
```
from sys import *
from bisect import *
from collections import *
p = list(map(int, stdin.read().split()))
n, k = p[0], p[1]
s, d = [], Counter(p[2:2 + k])
t = sorted(q for q in d if d[q] == 1)
def sub(q):
if d[q] == 1: t.pop(bisect(t, q) - 1)
def add(q):
... | output | 1 | 24,336 | 12 | 48,673 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Programmer Sasha has recently begun to study data structures. His coach Stas told him to solve the problem of finding a minimum on the segment of the array in <image>, which Sasha coped with. For Sasha not to think that he had learned all, S... | instruction | 0 | 24,337 | 12 | 48,674 |
Tags: data structures, implementation
Correct Solution:
```
import heapq
inf=10**9
n,k=map(int,input().split())
a,d=[],{}
for i in range(n):
a.append(-int(input()))
d[a[-1]]=0
for i in range(k):d[a[i]]+=1
h=[inf]
for x in d:
if d[x]==1:
h.append(x)
heapq.heapify(h)
d[inf]=1
print (-h[0] if h[0]<inf ... | output | 1 | 24,337 | 12 | 48,675 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Programmer Sasha has recently begun to study data structures. His coach Stas told him to solve the problem of finding a minimum on the segment of the array in <image>, which Sasha coped with. Fo... | instruction | 0 | 24,338 | 12 | 48,676 |
No | output | 1 | 24,338 | 12 | 48,677 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Programmer Sasha has recently begun to study data structures. His coach Stas told him to solve the problem of finding a minimum on the segment of the array in <image>, which Sasha coped with. Fo... | instruction | 0 | 24,339 | 12 | 48,678 |
No | output | 1 | 24,339 | 12 | 48,679 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Programmer Sasha has recently begun to study data structures. His coach Stas told him to solve the problem of finding a minimum on the segment of the array in <image>, which Sasha coped with. Fo... | instruction | 0 | 24,340 | 12 | 48,680 |
No | output | 1 | 24,340 | 12 | 48,681 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Programmer Sasha has recently begun to study data structures. His coach Stas told him to solve the problem of finding a minimum on the segment of the array in <image>, which Sasha coped with. Fo... | instruction | 0 | 24,341 | 12 | 48,682 |
No | output | 1 | 24,341 | 12 | 48,683 |
Provide a correct Python 3 solution for this coding contest problem.
Let's call an array good if there is an element in the array that equals to the sum of all other elements. For example, the array a=[1, 3, 3, 7] is good because there is the element a_4=7 which equals to the sum 1 + 3 + 3.
You are given an array a c... | instruction | 0 | 24,779 | 12 | 49,558 |
"Correct Solution:
```
def main():
N = int(input())
A = [int(i) for i in input().split()]
B = sorted((a, i) for i, a in enumerate(A))
ma = B[-1][0]
ma_idx = B[-1][1]
ma2 = B[-2][0]
SR = [0]*(N+2)
SL = [0]*(N+2)
for i in range(N):
SL[i+1] = SL[i] + A[i]
for i in range(N):
... | output | 1 | 24,779 | 12 | 49,559 |
Provide a correct Python 3 solution for this coding contest problem.
Let's call an array good if there is an element in the array that equals to the sum of all other elements. For example, the array a=[1, 3, 3, 7] is good because there is the element a_4=7 which equals to the sum 1 + 3 + 3.
You are given an array a c... | instruction | 0 | 24,780 | 12 | 49,560 |
"Correct Solution:
```
n = int(input())
aa = [int(x) for x in input().split()]
s = sum(aa)
a = []
for i in range(0,n):
a.append([aa[i],i])
a = sorted(a,key=lambda s: s[0])
c = 0
b = []
for i in range(0,n):
summe = s-a[i][0]
tmp = a[i]
if i != n-1:
x = a[-1][0]
else:
x = a[-2][0]
... | output | 1 | 24,780 | 12 | 49,561 |
Provide a correct Python 3 solution for this coding contest problem.
Let's call an array good if there is an element in the array that equals to the sum of all other elements. For example, the array a=[1, 3, 3, 7] is good because there is the element a_4=7 which equals to the sum 1 + 3 + 3.
You are given an array a c... | instruction | 0 | 24,781 | 12 | 49,562 |
"Correct Solution:
```
import sys
def fi():
return sys.stdin.readline()
if __name__ == '__main__':
d = dict()
n = int(fi())
l = list(map(int, fi().split()))
s = sum(l)
for i in range (n):
d.setdefault(l[i],[])
d[l[i]].append(i+1)
c = 0
ans = []
for q,v in d.items():
a = (s-q)/2
b = len(v)
b -= 1
if... | output | 1 | 24,781 | 12 | 49,563 |
Provide a correct Python 3 solution for this coding contest problem.
Let's call an array good if there is an element in the array that equals to the sum of all other elements. For example, the array a=[1, 3, 3, 7] is good because there is the element a_4=7 which equals to the sum 1 + 3 + 3.
You are given an array a c... | instruction | 0 | 24,782 | 12 | 49,564 |
"Correct Solution:
```
n=int(input())
A=list(map(int,input().split()))
S=sum(A)
X=[(A[i],i+1) for i in range(n)]
X.sort()
i=0
j=n-1
ANSLIST=[]
while i<n and j>=0:
if (S-X[i][0])%2==1:
i+=1
continue
h=(S-X[i][0])//2
while j>=0:
if h<X[j][0]:
j-=1
continue... | output | 1 | 24,782 | 12 | 49,565 |
Provide a correct Python 3 solution for this coding contest problem.
Let's call an array good if there is an element in the array that equals to the sum of all other elements. For example, the array a=[1, 3, 3, 7] is good because there is the element a_4=7 which equals to the sum 1 + 3 + 3.
You are given an array a c... | instruction | 0 | 24,783 | 12 | 49,566 |
"Correct Solution:
```
n = int(input())
A = list(map(int, input().split()))
summa = 0
d = dict()
ans = set()
for i in range(len(A)):
elem = A[i]
summa += elem
try:
d[elem].add(i)
except:
d[elem] = set()
d[elem].add(i)
for i in range(len(A)):
elem = A[i]
if su... | output | 1 | 24,783 | 12 | 49,567 |
Provide a correct Python 3 solution for this coding contest problem.
Let's call an array good if there is an element in the array that equals to the sum of all other elements. For example, the array a=[1, 3, 3, 7] is good because there is the element a_4=7 which equals to the sum 1 + 3 + 3.
You are given an array a c... | instruction | 0 | 24,784 | 12 | 49,568 |
"Correct Solution:
```
# -*- coding: utf-8 -*-
"""
Created on Thu Dec 19 22:37:09 2019
@author: lucifer
"""
n=int(input())
lis=list(map(int,input().split()))
lis2=[]
for i in range(n):
lis2.append(lis[i])
lis2.sort()
sum=0
for i in range(n):
sum=sum+lis[i]
temp=sum
c=0
lis1=[]
for i in range(n):
if lis[i]... | output | 1 | 24,784 | 12 | 49,569 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.