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.
Little Artem has invented a time machine! He could go anywhere in time, but all his thoughts of course are with computer science. He wants to apply this time machine to a well-known data structu... | instruction | 0 | 61,129 | 12 | 122,258 |
No | output | 1 | 61,129 | 12 | 122,259 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
ZS the Coder is given two permutations p and q of {1, 2, ..., n}, but some of their elements are replaced with 0. The distance between two permutations p and q is defined as the minimum number o... | instruction | 0 | 61,146 | 12 | 122,292 |
No | output | 1 | 61,146 | 12 | 122,293 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya has an array of integers of length n.
Vasya performs the following operations on the array: on each step he finds the longest segment of consecutive equal integers (the leftmost, if there are several such segments) and removes it. For... | instruction | 0 | 61,203 | 12 | 122,406 |
Tags: data structures, dsu, flows, implementation, two pointers
Correct Solution:
```
from sys import stdin
from heapq import heappop, heappush, heapify
def main():
n = int(stdin.readline())
a = stdin.readline().split()
q = []
p = 0
c = 0
l = [0] * (n + 1)
r = [0] * (n + 1)
k = [0] * (n ... | output | 1 | 61,203 | 12 | 122,407 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya has an array of integers of length n.
Vasya performs the following operations on the array: on each step he finds the longest segment of consecutive equal integers (the leftmost, if there are several such segments) and removes it. For... | instruction | 0 | 61,204 | 12 | 122,408 |
Tags: data structures, dsu, flows, implementation, two pointers
Correct Solution:
```
from heapq import *
from random import randint
import sys
n = int(input())
a = list(map(int, input().split()))
q = []
p = 0
c = 0
l = [0] * (n + 1)
r = [0] * (n + 1)
k = [0] * (n + 1)
pa = [0] * (n + 1)
for i, x in enumerate(a):
... | output | 1 | 61,204 | 12 | 122,409 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya has an array of integers of length n.
Vasya performs the following operations on the array: on each step he finds the longest segment of consecutive equal integers (the leftmost, if there are several such segments) and removes it. For... | instruction | 0 | 61,205 | 12 | 122,410 |
Tags: data structures, dsu, flows, implementation, two pointers
Correct Solution:
```
'''input
4
2 5 5 2
'''
from sys import stdin
import collections
# from random import randint
# heapdict source code
def doc(s):
if hasattr(s, '__call__'):
s = s.__doc__
def f(g):
g.__doc__ = s
return ... | output | 1 | 61,205 | 12 | 122,411 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya has an array of integers of length n.
Vasya performs the following operations on the array: on each step he finds the longest segment of consecutive equal integers (the leftmost, if there are several such segments) and removes it. For... | instruction | 0 | 61,206 | 12 | 122,412 |
Tags: data structures, dsu, flows, implementation, two pointers
Correct Solution:
```
import heapq
n = int(input())
a = list(map(int, input().split()))
# idx: l, r, length, val
d = {}
pre, l = None, 0
seg = []
for i, x in enumerate(a):
if pre is None:
pre = x
l = 1
else:
if x =... | output | 1 | 61,206 | 12 | 122,413 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vasya has an array of integers of length n.
Vasya performs the following operations on the array: on each step he finds the longest segment of consecutive equal integers (the leftmost, if there... | instruction | 0 | 61,207 | 12 | 122,414 |
No | output | 1 | 61,207 | 12 | 122,415 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vasya has an array of integers of length n.
Vasya performs the following operations on the array: on each step he finds the longest segment of consecutive equal integers (the leftmost, if there... | instruction | 0 | 61,208 | 12 | 122,416 |
No | output | 1 | 61,208 | 12 | 122,417 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vasya has an array of integers of length n.
Vasya performs the following operations on the array: on each step he finds the longest segment of consecutive equal integers (the leftmost, if there... | instruction | 0 | 61,209 | 12 | 122,418 |
No | output | 1 | 61,209 | 12 | 122,419 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vasya has an array of integers of length n.
Vasya performs the following operations on the array: on each step he finds the longest segment of consecutive equal integers (the leftmost, if there... | instruction | 0 | 61,210 | 12 | 122,420 |
No | output | 1 | 61,210 | 12 | 122,421 |
Provide a correct Python 3 solution for this coding contest problem.
Consider a sequence of n numbers using integers from 0 to 9 k1, k2, ..., kn. Read the positive integers n and s,
k1 + 2 x k2 + 3 x k3 + ... + n x kn = s
Create a program that outputs how many rows of n numbers such as. However, the same number does... | instruction | 0 | 61,383 | 12 | 122,766 |
"Correct Solution:
```
# -*- coding: utf-8 -*-
"""
http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=0070
"""
import sys
import time
from itertools import permutations
def solve1(pick, target):
# ????´???????????????????????????§???????????????????????????
hit = 0
for nums in permutations([0, 1, 2,... | output | 1 | 61,383 | 12 | 122,767 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array of n integers a_1, a_2, …, a_n.
You will perform q operations. In the i-th operation, you have a symbol s_i which is either "<" or ">" and a number x_i.
You make a new array b such that b_j = -a_j if a_j s_i x_i and ... | instruction | 0 | 61,522 | 12 | 123,044 |
Tags: bitmasks, data structures, divide and conquer, implementation
Correct Solution:
```
import sys
N, Q = map(int, input().split())
A = list(map(int, input().split()))
Sign = [0]*(3+10**5)
SX = [tuple(sys.stdin.readline().split()) for _ in range(Q)]
mini = 3 + 10**5
Sign = [0]*(3+10**5)
keep = 1
for (s, x) in SX[::-1... | output | 1 | 61,522 | 12 | 123,045 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array of n integers a_1, a_2, …, a_n.
You will perform q operations. In the i-th operation, you have a symbol s_i which is either "<" or ">" and a number x_i.
You make a new array b such that b_j = -a_j if a_j s_i x_i and ... | instruction | 0 | 61,523 | 12 | 123,046 |
Tags: bitmasks, data structures, divide and conquer, implementation
Correct Solution:
```
n,q=map(int,input().split())
a=list(map(int,input().split()))
swaps=[0]*q
for i in range(q):
b=input().split()
b[1]=int(b[1])
out=1 if (b[0]=="<" and b[1]<=0) or (b[0]==">" and b[1]>=0) else 0
split=b[1]+0.5 if b[0... | output | 1 | 61,523 | 12 | 123,047 |
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 n integers a_1, a_2, …, a_n.
You will perform q operations. In the i-th operation, you have a symbol s_i which is either "<" or ">" and a number x_i.
You make a new a... | instruction | 0 | 61,524 | 12 | 123,048 |
No | output | 1 | 61,524 | 12 | 123,049 |
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 n integers a_1, a_2, …, a_n.
You will perform q operations. In the i-th operation, you have a symbol s_i which is either "<" or ">" and a number x_i.
You make a new a... | instruction | 0 | 61,525 | 12 | 123,050 |
No | output | 1 | 61,525 | 12 | 123,051 |
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 n integers a_1, a_2, …, a_n.
You will perform q operations. In the i-th operation, you have a symbol s_i which is either "<" or ">" and a number x_i.
You make a new a... | instruction | 0 | 61,526 | 12 | 123,052 |
No | output | 1 | 61,526 | 12 | 123,053 |
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 n integers a_1, a_2, …, a_n.
You will perform q operations. In the i-th operation, you have a symbol s_i which is either "<" or ">" and a number x_i.
You make a new a... | instruction | 0 | 61,527 | 12 | 123,054 |
No | output | 1 | 61,527 | 12 | 123,055 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array consisting of n integers a_1, a_2, ... , a_n and an integer x. It is guaranteed that for every i, 1 ≤ a_i ≤ x.
Let's denote a function f(l, r) which erases all values such that l ≤ a_i ≤ r from the array a and returns... | instruction | 0 | 61,528 | 12 | 123,056 |
Tags: binary search, combinatorics, data structures, two pointers
Correct Solution:
```
import sys; input=sys.stdin.readline
from bisect import bisect_left as bl
n, x = map(int, input().split())
a = list(map(lambda x: int(x)-1, input().split()))
# from random import randint
# n, x = randint(1, 100), randint(1, 100)
# ... | output | 1 | 61,528 | 12 | 123,057 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array consisting of n integers a_1, a_2, ... , a_n and an integer x. It is guaranteed that for every i, 1 ≤ a_i ≤ x.
Let's denote a function f(l, r) which erases all values such that l ≤ a_i ≤ r from the array a and returns... | instruction | 0 | 61,529 | 12 | 123,058 |
Tags: binary search, combinatorics, data structures, two pointers
Correct Solution:
```
import sys
input = sys.stdin.readline
n,x=map(int,input().split())
A=list(map(int,input().split()))
MIN_R=[A[-1]]
for a in A[:-1][::-1]:
MIN_R.append(min(a,MIN_R[-1]))
MIN_R=MIN_R[::-1]
MAX=x
for i in range(n-1):
if A[i... | output | 1 | 61,529 | 12 | 123,059 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array consisting of n integers a_1, a_2, ... , a_n and an integer x. It is guaranteed that for every i, 1 ≤ a_i ≤ x.
Let's denote a function f(l, r) which erases all values such that l ≤ a_i ≤ r from the array a and returns... | instruction | 0 | 61,530 | 12 | 123,060 |
Tags: binary search, combinatorics, data structures, two pointers
Correct Solution:
```
import os
from io import BytesIO, StringIO
#input = BytesIO(os.read(0, os.fstat(0).st_size)).readline
def input_as_list():
return list(map(int, input().split()))
def array_of(f, *dim):
return [array_of(f, *dim[1:]) for _ i... | output | 1 | 61,530 | 12 | 123,061 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array consisting of n integers a_1, a_2, ... , a_n and an integer x. It is guaranteed that for every i, 1 ≤ a_i ≤ x.
Let's denote a function f(l, r) which erases all values such that l ≤ a_i ≤ r from the array a and returns... | instruction | 0 | 61,531 | 12 | 123,062 |
Tags: binary search, combinatorics, data structures, two pointers
Correct Solution:
```
N, X = map(int, input().split(' '))
class Next():
def __init__(self, arr):
# array of length X
next_ = [None for _ in arr]
for i in range(len(arr)-2, -1, -1):
next_[i] = next_[i+1]
if arr[i+1] != None:
next_[i] =... | output | 1 | 61,531 | 12 | 123,063 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array consisting of n integers a_1, a_2, ... , a_n and an integer x. It is guaranteed that for every i, 1 ≤ a_i ≤ x.
Let's denote a function f(l, r) which erases all values such that l ≤ a_i ≤ r from the array a and returns... | instruction | 0 | 61,532 | 12 | 123,064 |
Tags: binary search, combinatorics, data structures, two pointers
Correct Solution:
```
n, x = map(int, input().split())
a = list(map(int, input().split()))
fst, last, sm = [], [], []
for i in range(1000005):
fst.append(0)
last.append(0)
sm.append(0)
for i in range(n):
if fst[a[i]] == 0:
fst[a[i... | output | 1 | 61,532 | 12 | 123,065 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given an array consisting of n integers a_1, a_2, ... , a_n and an integer x. It is guaranteed that for every i, 1 ≤ a_i ≤ x.
Let's denote a function f(l, r) which erases all values such that l ≤ a_i ≤ r from the array a and returns... | instruction | 0 | 61,533 | 12 | 123,066 |
Tags: binary search, combinatorics, data structures, two pointers
Correct Solution:
```
n, x = map(int, input().split())
a = list(map(int, input().split()))
mi = [x + 1] * (x + 1)
ma = [0] * (x + 1)
trie = [0] * (1 << 23)
m = 4
trie[0] = x + 1
for i in a:
at = 0
mii = x + 1
maa = 0
for j in range(19, -1, -1):
... | output | 1 | 61,533 | 12 | 123,067 |
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 consisting of n integers a_1, a_2, ... , a_n and an integer x. It is guaranteed that for every i, 1 ≤ a_i ≤ x.
Let's denote a function f(l, r) which erases all values suc... | instruction | 0 | 61,534 | 12 | 123,068 |
No | output | 1 | 61,534 | 12 | 123,069 |
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 consisting of n integers a_1, a_2, ... , a_n and an integer x. It is guaranteed that for every i, 1 ≤ a_i ≤ x.
Let's denote a function f(l, r) which erases all values suc... | instruction | 0 | 61,535 | 12 | 123,070 |
No | output | 1 | 61,535 | 12 | 123,071 |
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 consisting of n integers a_1, a_2, ... , a_n and an integer x. It is guaranteed that for every i, 1 ≤ a_i ≤ x.
Let's denote a function f(l, r) which erases all values suc... | instruction | 0 | 61,536 | 12 | 123,072 |
No | output | 1 | 61,536 | 12 | 123,073 |
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 consisting of n integers a_1, a_2, ... , a_n and an integer x. It is guaranteed that for every i, 1 ≤ a_i ≤ x.
Let's denote a function f(l, r) which erases all values suc... | instruction | 0 | 61,537 | 12 | 123,074 |
No | output | 1 | 61,537 | 12 | 123,075 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Natasha's favourite numbers are n and 1, and Sasha's favourite numbers are m and -1. One day Natasha and Sasha met and wrote down every possible array of length n+m such that some n of its elements are equal to 1 and another m elements are e... | instruction | 0 | 61,538 | 12 | 123,076 |
Tags: combinatorics, dp, math, number theory
Correct Solution:
```
P, N = 998244853, 4000
f, fi = [0] * (N + 1), [0] * (N + 1)
f[0], fi[-1] = 1, 338887798
for i in range(N):
f[i + 1] = f[i] * (i + 1) % P
fi[N - i - 1] = fi[N - i] * (N - i) % P
C = lambda n, r: f[n] * fi[r] % P * fi[n - r] % P
n, m = map(int,... | output | 1 | 61,538 | 12 | 123,077 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Natasha's favourite numbers are n and 1, and Sasha's favourite numbers are m and -1. One day Natasha and Sasha met and wrote down every possible array of length n+m such that some n of its elements are equal to 1 and another m elements are e... | instruction | 0 | 61,539 | 12 | 123,078 |
Tags: combinatorics, dp, math, number theory
Correct Solution:
```
P = 998244853
N = 4000
f1, f2 = [0] * (N + 1), [0] * (N + 1)
f1[0] = 1
for i in range(N):
f1[i + 1] = f1[i] * (i + 1) % P
f2[-1] = pow(f1[-1], P - 2, P)
for i in reversed(range(N)):
f2[i] = f2[i + 1] * (i + 1) % P
def C(n, r):
c = 1
... | output | 1 | 61,539 | 12 | 123,079 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Natasha's favourite numbers are n and 1, and Sasha's favourite numbers are m and -1. One day Natasha and Sasha met and wrote down every possible array of length n+m such that some n of its elements are equal to 1 and another m elements are e... | instruction | 0 | 61,540 | 12 | 123,080 |
Tags: combinatorics, dp, math, number theory
Correct Solution:
```
P = 998244853
N, M = map(int, input().split())
fa = [1]
for i in range(4040):
fa.append(fa[-1]*(i+1)%P)
fainv = [pow(fa[-1], P-2, P)]
for i in range(4040)[::-1]:
fainv.append(fainv[-1]*(i+1)%P)
fainv = fainv[::-1]
def C(a, b):
return fa[... | output | 1 | 61,540 | 12 | 123,081 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Natasha's favourite numbers are n and 1, and Sasha's favourite numbers are m and -1. One day Natasha and Sasha met and wrote down every possible array of length n+m such that some n of its elements are equal to 1 and another m elements are e... | instruction | 0 | 61,541 | 12 | 123,082 |
Tags: combinatorics, dp, math, number theory
Correct Solution:
```
mod = 998244853
MAX = 4000
n,m = map(int,input().split())
k = [[0 for _ in range(0,m+1)] for _ in range(0,n+1)]
c = [[0 for _ in range(0,m+1)] for _ in range(0,n+1)]
ans = [[0 for _ in range(0,m+1)] for _ in range(0,n+1)]
#Combinacion de n+m eleme... | output | 1 | 61,541 | 12 | 123,083 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Natasha's favourite numbers are n and 1, and Sasha's favourite numbers are m and -1. One day Natasha and Sasha met and wrote down every possible array of length n+m such that some n of its elements are equal to 1 and another m elements are e... | instruction | 0 | 61,542 | 12 | 123,084 |
Tags: combinatorics, dp, math, number theory
Correct Solution:
```
P = 998244853
N = 4000
f, fi = [0] * (N + 1), [0] * (N + 1)
f[0] = 1
for i in range(N):
f[i + 1] = f[i] * (i + 1) % P
fi[-1] = pow(f[-1], P - 2, P)
for i in reversed(range(N)):
fi[i] = fi[i + 1] * (i + 1) % P
def C(n, r):
c = 1
while... | output | 1 | 61,542 | 12 | 123,085 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Natasha's favourite numbers are n and 1, and Sasha's favourite numbers are m and -1. One day Natasha and Sasha met and wrote down every possible array of length n+m such that some n of its elements are equal to 1 and another m elements are e... | instruction | 0 | 61,543 | 12 | 123,086 |
Tags: combinatorics, dp, math, number theory
Correct Solution:
```
n,m = map(int,input().split())
mod = 998244853
inv = [0] * 5000
fac = [0] * 5000
invfac = [0] * 5000
invfac[0] = invfac[1] = 1
fac[0] = fac[1] = 1
inv[0] = inv[1] = 1
for i in range(2,4500):
inv[i] = (mod - mod//i) * inv[mod%i] % mod
for i in rang... | output | 1 | 61,543 | 12 | 123,087 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Natasha's favourite numbers are n and 1, and Sasha's favourite numbers are m and -1. One day Natasha and Sasha met and wrote down every possible array of length n+m such that some n of its elements are equal to 1 and another m elements are e... | instruction | 0 | 61,544 | 12 | 123,088 |
Tags: combinatorics, dp, math, number theory
Correct Solution:
```
mod = 998244853
def frac(limit):
frac = [1]*limit
for i in range(2,limit):
frac[i] = i * frac[i-1]%mod
fraci = [None]*limit
fraci[-1] = pow(frac[-1], mod -2, mod)
for i in range(-2, -limit-1, -1):
fraci[i] = fraci[i+... | output | 1 | 61,544 | 12 | 123,089 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Natasha's favourite numbers are n and 1, and Sasha's favourite numbers are m and -1. One day Natasha and Sasha met and wrote down every possible array of length n+m such that some n of its elements are equal to 1 and another m elements are e... | instruction | 0 | 61,545 | 12 | 123,090 |
Tags: combinatorics, dp, math, number theory
Correct Solution:
```
n, m = map(int, input().split())
mod = 998244853
fact = [1]
invfact = [1]
def pw(x, y):
ans = 1
while (y):
if (y & 1):
ans = (ans * x) % mod
x = x * x % mod
y >>= 1
return ans
def inv(x):
return pw(x, ... | output | 1 | 61,545 | 12 | 123,091 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Natasha's favourite numbers are n and 1, and Sasha's favourite numbers are m and -1. One day Natasha and Sasha met and wrote down every possible array of length n+m such that some n of its eleme... | instruction | 0 | 61,546 | 12 | 123,092 |
Yes | output | 1 | 61,546 | 12 | 123,093 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Natasha's favourite numbers are n and 1, and Sasha's favourite numbers are m and -1. One day Natasha and Sasha met and wrote down every possible array of length n+m such that some n of its eleme... | instruction | 0 | 61,547 | 12 | 123,094 |
Yes | output | 1 | 61,547 | 12 | 123,095 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Natasha's favourite numbers are n and 1, and Sasha's favourite numbers are m and -1. One day Natasha and Sasha met and wrote down every possible array of length n+m such that some n of its eleme... | instruction | 0 | 61,548 | 12 | 123,096 |
Yes | output | 1 | 61,548 | 12 | 123,097 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Natasha's favourite numbers are n and 1, and Sasha's favourite numbers are m and -1. One day Natasha and Sasha met and wrote down every possible array of length n+m such that some n of its eleme... | instruction | 0 | 61,549 | 12 | 123,098 |
Yes | output | 1 | 61,549 | 12 | 123,099 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Natasha's favourite numbers are n and 1, and Sasha's favourite numbers are m and -1. One day Natasha and Sasha met and wrote down every possible array of length n+m such that some n of its eleme... | instruction | 0 | 61,550 | 12 | 123,100 |
No | output | 1 | 61,550 | 12 | 123,101 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Natasha's favourite numbers are n and 1, and Sasha's favourite numbers are m and -1. One day Natasha and Sasha met and wrote down every possible array of length n+m such that some n of its eleme... | instruction | 0 | 61,551 | 12 | 123,102 |
No | output | 1 | 61,551 | 12 | 123,103 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Natasha's favourite numbers are n and 1, and Sasha's favourite numbers are m and -1. One day Natasha and Sasha met and wrote down every possible array of length n+m such that some n of its eleme... | instruction | 0 | 61,552 | 12 | 123,104 |
No | output | 1 | 61,552 | 12 | 123,105 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Natasha's favourite numbers are n and 1, and Sasha's favourite numbers are m and -1. One day Natasha and Sasha met and wrote down every possible array of length n+m such that some n of its eleme... | instruction | 0 | 61,553 | 12 | 123,106 |
No | output | 1 | 61,553 | 12 | 123,107 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given two integers a and b. Print a+b.
Input
The first line contains an integer t (1 ≤ t ≤ 10^4) — the number of test cases in the input. Then t test cases follow.
Each test case is given as a line of two integers a and b (-1000 ≤... | instruction | 0 | 61,625 | 12 | 123,250 |
Tags: implementation
Correct Solution:
```
"""
This template is made by Satwik_Tiwari.
python programmers can use this template :)) .
"""
#===============================================================================================
#importing some useful libraries.
import sys
import bisect
import heapq
fro... | output | 1 | 61,625 | 12 | 123,251 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The only difference between the easy and the hard version is the limit to the number of queries.
This is an interactive problem.
There is an array a of n different numbers. In one query you can ask the position of the second maximum elemen... | instruction | 0 | 61,699 | 12 | 123,398 |
Tags: binary search, interactive
Correct Solution:
```
from __future__ import print_function # for PyPy2
from collections import Counter, OrderedDict
from itertools import permutations as perm
from fractions import Fraction
from collections import deque
from sys import stdin
from bisect import *
from heapq import *
# f... | output | 1 | 61,699 | 12 | 123,399 |
Provide tags and a correct Python 3 solution for this coding contest problem.
The only difference between the easy and the hard version is the limit to the number of queries.
This is an interactive problem.
There is an array a of n different numbers. In one query you can ask the position of the second maximum elemen... | instruction | 0 | 61,700 | 12 | 123,400 |
Tags: binary search, interactive
Correct Solution:
```
from sys import stdin, stdout
def ask(l, r):
stdout.write("? " + str(l) + " " + str(r) + "\n")
stdout.flush()
nd = int(stdin.readline())
return nd
try:
n = int(stdin.readline())
l = 1
r = n
nd = ask(l, r)
if (nd > 1 and ask(1... | output | 1 | 61,700 | 12 | 123,401 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The only difference between the easy and the hard version is the limit to the number of queries.
This is an interactive problem.
There is an array a of n different numbers. In one query you ca... | instruction | 0 | 61,701 | 12 | 123,402 |
No | output | 1 | 61,701 | 12 | 123,403 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The only difference between the easy and the hard version is the limit to the number of queries.
This is an interactive problem.
There is an array a of n different numbers. In one query you ca... | instruction | 0 | 61,702 | 12 | 123,404 |
No | output | 1 | 61,702 | 12 | 123,405 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The only difference between the easy and the hard version is the limit to the number of queries.
This is an interactive problem.
There is an array a of n different numbers. In one query you ca... | instruction | 0 | 61,703 | 12 | 123,406 |
No | output | 1 | 61,703 | 12 | 123,407 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
The only difference between the easy and the hard version is the limit to the number of queries.
This is an interactive problem.
There is an array a of n different numbers. In one query you ca... | instruction | 0 | 61,704 | 12 | 123,408 |
No | output | 1 | 61,704 | 12 | 123,409 |
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