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 |
|---|---|---|---|---|---|
Provide tags and a correct Python 3 solution for this coding contest problem.
Leha like all kinds of strange things. Recently he liked the function F(n, k). Consider all possible k-element subsets of the set [1, 2, ..., n]. For subset find minimal element in it. F(n, k) — mathematical expectation of the minimal elemen... | instruction | 0 | 77,272 | 12 | 154,544 |
Tags: combinatorics, greedy, math, number theory, sortings
Correct Solution:
```
n=int(input())
a=list(map(int,input().split()))
b=list(map(int,input().split()))
a.sort()
a.reverse()
j=[]
for i in range(n):
j.append([b[i],i])
j.sort()
ans=[0]*n
for i in range(n):
ans[j[i][1]]=str(a[i])
print(' '.join(ans))
``` | output | 1 | 77,272 | 12 | 154,545 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Leha like all kinds of strange things. Recently he liked the function F(n, k). Consider all possible k-element subsets of the set [1, 2, ..., n]. For subset find minimal element in it. F(n, k) — mathematical expectation of the minimal elemen... | instruction | 0 | 77,273 | 12 | 154,546 |
Tags: combinatorics, greedy, math, number theory, sortings
Correct Solution:
```
import sys
read = lambda : sys.stdin.readline()
n = int(read())
a = list(map(int, read().split()))
b = list(map(int, read().split()))
a.sort()
a = a[::-1]
z = zip(a, list(sorted(b)))
d = dict()
for (one, two) in z:
if two in d:
d[two]... | output | 1 | 77,273 | 12 | 154,547 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Leha like all kinds of strange things. Recently he liked the function F(n, k). Consider all possible k-element subsets of the set [1, 2, ..., n]. For subset find minimal element in it. F(n, k) — mathematical expectation of the minimal elemen... | instruction | 0 | 77,274 | 12 | 154,548 |
Tags: combinatorics, greedy, math, number theory, sortings
Correct Solution:
```
n = int(input())
a = list(map(int,input().split()))
b = list(map(int,input().split()))
b1 = []
a1 = []
for i in range(n):
b1.append(b[i])
a1.append(a[i])
b1.sort()
a1.sort()
a1.reverse()
d = dict()
for i in range(n):
if b1[i] in d: d[b1... | output | 1 | 77,274 | 12 | 154,549 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Leha like all kinds of strange things. Recently he liked the function F(n, k). Consider all possible k-element subsets of the set [1, 2, ..., n]. For subset find minimal element in it. F(n, k) — mathematical expectation of the minimal elemen... | instruction | 0 | 77,275 | 12 | 154,550 |
Tags: combinatorics, greedy, math, number theory, sortings
Correct Solution:
```
n=int(input())
a=[int(x) for x in input().split()]
b=[int(x) for x in input().split()]
for i in range(n):
b[i]=(b[i],i)
a.sort(reverse=True)
#print(b)
b.sort()
#print(b)
ans=[0]*n
#print(ans)
for i in range(n):
ans[b[i][1]]=a[i]
pr... | output | 1 | 77,275 | 12 | 154,551 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Leha like all kinds of strange things. Recently he liked the function F(n, k). Consider all possible k-element subsets of the set [1, 2, ..., n]. For subset find minimal element in it. F(n, k) — mathematical expectation of the minimal elemen... | instruction | 0 | 77,276 | 12 | 154,552 |
Tags: combinatorics, greedy, math, number theory, sortings
Correct Solution:
```
import math as mt
import sys,string
input=sys.stdin.readline
from collections import defaultdict
L=lambda : list(map(int,input().split()))
Ls=lambda : list(input().split())
M=lambda : map(int,input().split())
I=lambda :int(input())
n=I()
... | output | 1 | 77,276 | 12 | 154,553 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Leha like all kinds of strange things. Recently he liked the function F(n, k). Consider all possible k-element subsets of the set [1, 2, ..., n]. For subset find minimal element in it. F(n, k) —... | instruction | 0 | 77,277 | 12 | 154,554 |
Yes | output | 1 | 77,277 | 12 | 154,555 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Leha like all kinds of strange things. Recently he liked the function F(n, k). Consider all possible k-element subsets of the set [1, 2, ..., n]. For subset find minimal element in it. F(n, k) —... | instruction | 0 | 77,278 | 12 | 154,556 |
Yes | output | 1 | 77,278 | 12 | 154,557 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Leha like all kinds of strange things. Recently he liked the function F(n, k). Consider all possible k-element subsets of the set [1, 2, ..., n]. For subset find minimal element in it. F(n, k) —... | instruction | 0 | 77,279 | 12 | 154,558 |
Yes | output | 1 | 77,279 | 12 | 154,559 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Leha like all kinds of strange things. Recently he liked the function F(n, k). Consider all possible k-element subsets of the set [1, 2, ..., n]. For subset find minimal element in it. F(n, k) —... | instruction | 0 | 77,280 | 12 | 154,560 |
Yes | output | 1 | 77,280 | 12 | 154,561 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Leha like all kinds of strange things. Recently he liked the function F(n, k). Consider all possible k-element subsets of the set [1, 2, ..., n]. For subset find minimal element in it. F(n, k) —... | instruction | 0 | 77,281 | 12 | 154,562 |
No | output | 1 | 77,281 | 12 | 154,563 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Leha like all kinds of strange things. Recently he liked the function F(n, k). Consider all possible k-element subsets of the set [1, 2, ..., n]. For subset find minimal element in it. F(n, k) —... | instruction | 0 | 77,282 | 12 | 154,564 |
No | output | 1 | 77,282 | 12 | 154,565 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Leha like all kinds of strange things. Recently he liked the function F(n, k). Consider all possible k-element subsets of the set [1, 2, ..., n]. For subset find minimal element in it. F(n, k) —... | instruction | 0 | 77,283 | 12 | 154,566 |
No | output | 1 | 77,283 | 12 | 154,567 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Leha like all kinds of strange things. Recently he liked the function F(n, k). Consider all possible k-element subsets of the set [1, 2, ..., n]. For subset find minimal element in it. F(n, k) —... | instruction | 0 | 77,284 | 12 | 154,568 |
No | output | 1 | 77,284 | 12 | 154,569 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Ehab has an array a of n integers. He likes the [bitwise-xor operation](https://en.wikipedia.org/wiki/Bitwise_operation#XOR) and he likes to bother Mahmoud so he came up with a problem. He gave ... | instruction | 0 | 77,333 | 12 | 154,666 |
No | output | 1 | 77,333 | 12 | 154,667 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Ehab has an array a of n integers. He likes the [bitwise-xor operation](https://en.wikipedia.org/wiki/Bitwise_operation#XOR) and he likes to bother Mahmoud so he came up with a problem. He gave ... | instruction | 0 | 77,334 | 12 | 154,668 |
No | output | 1 | 77,334 | 12 | 154,669 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Ehab has an array a of n integers. He likes the [bitwise-xor operation](https://en.wikipedia.org/wiki/Bitwise_operation#XOR) and he likes to bother Mahmoud so he came up with a problem. He gave ... | instruction | 0 | 77,335 | 12 | 154,670 |
No | output | 1 | 77,335 | 12 | 154,671 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Ehab has an array a of n integers. He likes the [bitwise-xor operation](https://en.wikipedia.org/wiki/Bitwise_operation#XOR) and he likes to bother Mahmoud so he came up with a problem. He gave ... | instruction | 0 | 77,336 | 12 | 154,672 |
No | output | 1 | 77,336 | 12 | 154,673 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya has a sequence a consisting of n integers a_1, a_2, ..., a_n. Vasya may pefrom the following operation: choose some number from the sequence and swap any pair of bits in its binary representation. For example, Vasya can transform numbe... | instruction | 0 | 77,555 | 12 | 155,110 |
Tags: bitmasks, dp
Correct Solution:
```
import sys
input=sys.stdin.readline
n=int(input())
a=list(map(int,input().split()))
b=[0]*n
for i in range(n):
ai=a[i]
for j in range(61):
if (ai>>j)&1:
b[i]+=1
cnt=[[0]*(n+1) for i in range(2)]
cnt[0][n]=1
res=0
suf=0
for i in range(n)[::-1]:
s=0... | output | 1 | 77,555 | 12 | 155,111 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya has a sequence a consisting of n integers a_1, a_2, ..., a_n. Vasya may pefrom the following operation: choose some number from the sequence and swap any pair of bits in its binary representation. For example, Vasya can transform numbe... | instruction | 0 | 77,556 | 12 | 155,112 |
Tags: bitmasks, dp
Correct Solution:
```
#------------------------template--------------------------#
import os
import sys
from math import *
from collections import *
# from fractions import *
# from heapq import*
from bisect import *
from io import BytesIO, IOBase
def vsInput():
sys.stdin = open('input.txt', 'r')... | output | 1 | 77,556 | 12 | 155,113 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya has a sequence a consisting of n integers a_1, a_2, ..., a_n. Vasya may pefrom the following operation: choose some number from the sequence and swap any pair of bits in its binary representation. For example, Vasya can transform numbe... | instruction | 0 | 77,557 | 12 | 155,114 |
Tags: bitmasks, dp
Correct Solution:
```
import os
import sys
from io import BytesIO, IOBase
# region fastio
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... | output | 1 | 77,557 | 12 | 155,115 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya has a sequence a consisting of n integers a_1, a_2, ..., a_n. Vasya may pefrom the following operation: choose some number from the sequence and swap any pair of bits in its binary representation. For example, Vasya can transform numbe... | instruction | 0 | 77,558 | 12 | 155,116 |
Tags: bitmasks, dp
Correct Solution:
```
from array import array
def popcount(x):
res = 0;
while(x > 0):
res += (x & 1)
x >>= 1
return res
def main():
n = int(input())
a = array('i',[popcount(int(x)) for x in input().split(' ')])
ans,s0,s1 = 0,0,0
for i in range(n):
... | output | 1 | 77,558 | 12 | 155,117 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya has a sequence a consisting of n integers a_1, a_2, ..., a_n. Vasya may pefrom the following operation: choose some number from the sequence and swap any pair of bits in its binary representation. For example, Vasya can transform numbe... | instruction | 0 | 77,559 | 12 | 155,118 |
Tags: bitmasks, dp
Correct Solution:
```
from bisect import bisect_left
n=int(input())
b=list(map(int,input().split()))
pre = [0]
res=[]
for j in range(n):
res.append(bin(b[j]).count('1'))
pre.append(pre[-1]+res[-1])
ans = 0
e = 1
o = 0
for j in range(n):
if pre[j+1] % 2 == 0:
ans += e
... | output | 1 | 77,559 | 12 | 155,119 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya has a sequence a consisting of n integers a_1, a_2, ..., a_n. Vasya may pefrom the following operation: choose some number from the sequence and swap any pair of bits in its binary representation. For example, Vasya can transform numbe... | instruction | 0 | 77,560 | 12 | 155,120 |
Tags: bitmasks, dp
Correct Solution:
```
import os
import sys
from io import BytesIO, IOBase
# region fastio
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... | output | 1 | 77,560 | 12 | 155,121 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya has a sequence a consisting of n integers a_1, a_2, ..., a_n. Vasya may pefrom the following operation: choose some number from the sequence and swap any pair of bits in its binary representation. For example, Vasya can transform numbe... | instruction | 0 | 77,561 | 12 | 155,122 |
Tags: bitmasks, dp
Correct Solution:
```
#Code by Sounak, IIESTS
#------------------------------warmup----------------------------
import os
import sys
import math
from io import BytesIO, IOBase
from fractions import Fraction
import collections
from itertools import permutations
from collections import defaultdict
fro... | output | 1 | 77,561 | 12 | 155,123 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya has a sequence a consisting of n integers a_1, a_2, ..., a_n. Vasya may pefrom the following operation: choose some number from the sequence and swap any pair of bits in its binary representation. For example, Vasya can transform numbe... | instruction | 0 | 77,562 | 12 | 155,124 |
Tags: bitmasks, dp
Correct Solution:
```
n = int(input())
cnt = [[0 for _ in range(n + 1)] for _ in range(2)]
b = [bin(_).count('1') for _ in list(map(int, input().split()))]
res = 0
suf_sum = 0
cnt[0][n] = 1
for i in range(n)[::-1]:
_sum, mx = 0, 0
lst_j = i
add = 0
for j in range(i, min(n, i + 65)):
_sum... | output | 1 | 77,562 | 12 | 155,125 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vasya has a sequence a consisting of n integers a_1, a_2, ..., a_n. Vasya may pefrom the following operation: choose some number from the sequence and swap any pair of bits in its binary represe... | instruction | 0 | 77,563 | 12 | 155,126 |
No | output | 1 | 77,563 | 12 | 155,127 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vasya has a sequence a consisting of n integers a_1, a_2, ..., a_n. Vasya may pefrom the following operation: choose some number from the sequence and swap any pair of bits in its binary represe... | instruction | 0 | 77,564 | 12 | 155,128 |
No | output | 1 | 77,564 | 12 | 155,129 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vasya has a sequence a consisting of n integers a_1, a_2, ..., a_n. Vasya may pefrom the following operation: choose some number from the sequence and swap any pair of bits in its binary represe... | instruction | 0 | 77,565 | 12 | 155,130 |
No | output | 1 | 77,565 | 12 | 155,131 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vasya has a sequence a consisting of n integers a_1, a_2, ..., a_n. Vasya may pefrom the following operation: choose some number from the sequence and swap any pair of bits in its binary represe... | instruction | 0 | 77,566 | 12 | 155,132 |
No | output | 1 | 77,566 | 12 | 155,133 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given the array a consisting of n elements and the integer k ≤ n.
You want to obtain at least k equal elements in the array a. In one move, you can make one of the following two operations:
* Take one of the minimum elements of t... | instruction | 0 | 77,689 | 12 | 155,378 |
Tags: greedy
Correct Solution:
```
def count(a, b):
k = 0
while(a > b):
a = a//2
k+=1
if a==b:
return k
else:
return None
n, k = input().split()
n = int(n)
k = int(k)
s = list(input().split(" "))
for i in range(n):
s[i] = int(s[i])
s.sort()
number_of_operations = []
... | output | 1 | 77,689 | 12 | 155,379 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given the array a consisting of n elements and the integer k ≤ n.
You want to obtain at least k equal elements in the array a. In one move, you can make one of the following two operations:
* Take one of the minimum elements of t... | instruction | 0 | 77,690 | 12 | 155,380 |
Tags: greedy
Correct Solution:
```
n,k = map(int,input().split())
a = list(map(int,input().split()))
pos = []
for i in range(n):
x = a[i]
while x > 0:
pos.append(x)
x //= 2
ans = 1000000000
for res in pos:
cnt = []
for i in range(n):
x = a[i]
cur = 0
while x > res... | output | 1 | 77,690 | 12 | 155,381 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given the array a consisting of n elements and the integer k ≤ n.
You want to obtain at least k equal elements in the array a. In one move, you can make one of the following two operations:
* Take one of the minimum elements of t... | instruction | 0 | 77,691 | 12 | 155,382 |
Tags: greedy
Correct Solution:
```
from collections import defaultdict
def arrinp():
return [*map(int, input().split(' '))]
def mulinp():
return map(int, input().split(' '))
def intinp():
return int(input())
def solution():
n, k = mulinp()
arr = []
for i in sorted(arrinp()):
if n... | output | 1 | 77,691 | 12 | 155,383 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given the array a consisting of n elements and the integer k ≤ n.
You want to obtain at least k equal elements in the array a. In one move, you can make one of the following two operations:
* Take one of the minimum elements of t... | instruction | 0 | 77,692 | 12 | 155,384 |
Tags: greedy
Correct Solution:
```
from collections import defaultdict as dc
x,y=map(int,input().split())
coun=dc(lambda:0)
steps=dc(lambda:0)
s=list(map(int,input().split()))
s.sort()
for n in s:
coun[n]+=1
if coun[n]==y:
print(0)
exit(0)
res=10**9
for n in s:
p=n
stp=0
while p:
... | output | 1 | 77,692 | 12 | 155,385 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given the array a consisting of n elements and the integer k ≤ n.
You want to obtain at least k equal elements in the array a. In one move, you can make one of the following two operations:
* Take one of the minimum elements of t... | instruction | 0 | 77,693 | 12 | 155,386 |
Tags: greedy
Correct Solution:
```
n, k = input().split()
n, k = int(n), int(k)
arr = [[] for _ in range(int(2e5 + 1))]
for a in input().split():
a = int(a)
i = 0
while a > 0:
arr[a].append(i)
i += 1
a //= 2
arr[a].append(i)
min_n = -1
for i in arr:
if len(i) >= k:
s... | output | 1 | 77,693 | 12 | 155,387 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given the array a consisting of n elements and the integer k ≤ n.
You want to obtain at least k equal elements in the array a. In one move, you can make one of the following two operations:
* Take one of the minimum elements of t... | instruction | 0 | 77,694 | 12 | 155,388 |
Tags: greedy
Correct Solution:
```
a,b=list(map(int,input().split()))
array=list(map(int,input().split()))
c=b-1
answer=[]
array.sort()
arr=list(range(1,array[-1]+1))
for it in arr:
element=it
current=0
count=0
for y in range(0,a):
copare=array[y]
if copare<element:
pass
... | output | 1 | 77,694 | 12 | 155,389 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given the array a consisting of n elements and the integer k ≤ n.
You want to obtain at least k equal elements in the array a. In one move, you can make one of the following two operations:
* Take one of the minimum elements of t... | instruction | 0 | 77,695 | 12 | 155,390 |
Tags: greedy
Correct Solution:
```
'''input
5 3
1 2 3 3 3
'''
from sys import stdin
from copy import deepcopy
from collections import deque
def solve(aux):
# print(aux)
count = 0
for i in range(1, len(aux)):
while True:
if aux[i] > aux[i - 1]:
aux[i] //= 2
count += 1
elif aux[i] < aux[i - 1]:
... | output | 1 | 77,695 | 12 | 155,391 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given the array a consisting of n elements and the integer k ≤ n.
You want to obtain at least k equal elements in the array a. In one move, you can make one of the following two operations:
* Take one of the minimum elements of t... | instruction | 0 | 77,696 | 12 | 155,392 |
Tags: greedy
Correct Solution:
```
from sys import stdin, stdout
def write(_s):
stdout.write(_s)
def write_int(_s):
stdout.write(str(_s))
def write_list(_l):
stdout.write(" ".join(map(str, _l)))
def read():
return stdin.readline().split(" ")
def readint():
return int(stdin.readline())
de... | output | 1 | 77,696 | 12 | 155,393 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given the array a consisting of n elements and the integer k ≤ n.
You want to obtain at least k equal elements in the array a. In one move, you can make one of the following two operati... | instruction | 0 | 77,697 | 12 | 155,394 |
Yes | output | 1 | 77,697 | 12 | 155,395 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given the array a consisting of n elements and the integer k ≤ n.
You want to obtain at least k equal elements in the array a. In one move, you can make one of the following two operati... | instruction | 0 | 77,698 | 12 | 155,396 |
Yes | output | 1 | 77,698 | 12 | 155,397 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given the array a consisting of n elements and the integer k ≤ n.
You want to obtain at least k equal elements in the array a. In one move, you can make one of the following two operati... | instruction | 0 | 77,699 | 12 | 155,398 |
Yes | output | 1 | 77,699 | 12 | 155,399 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given the array a consisting of n elements and the integer k ≤ n.
You want to obtain at least k equal elements in the array a. In one move, you can make one of the following two operati... | instruction | 0 | 77,700 | 12 | 155,400 |
Yes | output | 1 | 77,700 | 12 | 155,401 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given the array a consisting of n elements and the integer k ≤ n.
You want to obtain at least k equal elements in the array a. In one move, you can make one of the following two operati... | instruction | 0 | 77,701 | 12 | 155,402 |
No | output | 1 | 77,701 | 12 | 155,403 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given the array a consisting of n elements and the integer k ≤ n.
You want to obtain at least k equal elements in the array a. In one move, you can make one of the following two operati... | instruction | 0 | 77,702 | 12 | 155,404 |
No | output | 1 | 77,702 | 12 | 155,405 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given the array a consisting of n elements and the integer k ≤ n.
You want to obtain at least k equal elements in the array a. In one move, you can make one of the following two operati... | instruction | 0 | 77,703 | 12 | 155,406 |
No | output | 1 | 77,703 | 12 | 155,407 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given the array a consisting of n elements and the integer k ≤ n.
You want to obtain at least k equal elements in the array a. In one move, you can make one of the following two operati... | instruction | 0 | 77,704 | 12 | 155,408 |
No | output | 1 | 77,704 | 12 | 155,409 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A permutation of length n is an array consisting of n distinct integers from 1 to n in arbitrary order. For example, [2,3,1,5,4] is a permutation, but [1,2,2] is not a permutation (2 appears twice in the array) and [1,3,4] is also not a perm... | instruction | 0 | 77,718 | 12 | 155,436 |
Tags: combinatorics, dp, graphs, math
Correct Solution:
```
from sys import stdin, stdout
import math,sys,heapq
from itertools import permutations, combinations
from collections import defaultdict,deque,OrderedDict
from os import path
import bisect as bi
def yes():print('YES')
def no():print('NO')
if (path.exists('inpu... | output | 1 | 77,718 | 12 | 155,437 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A permutation of length n is an array consisting of n distinct integers from 1 to n in arbitrary order. For example, [2,3,1,5,4] is a permutation, but [1,2,2] is not a permutation (2 appears twice in the array) and [1,3,4] is also not a perm... | instruction | 0 | 77,719 | 12 | 155,438 |
Tags: combinatorics, dp, graphs, math
Correct Solution:
```
n=int(input())
v=10**9 + 7
def modexp(a,b,c):
if b==1:
return a
if b%2==0:
y=modexp(a,b//2,c)
z= (y*y)
if z>=c:
z=z%c
return z
else:
y=modexp(a,b//2,c)
z=y*y
if z>=c:
z=z%c
x=a*z
if x>=c:
x=x%c
return x
g=1
for i in range(1,n... | output | 1 | 77,719 | 12 | 155,439 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A permutation of length n is an array consisting of n distinct integers from 1 to n in arbitrary order. For example, [2,3,1,5,4] is a permutation, but [1,2,2] is not a permutation (2 appears twice in the array) and [1,3,4] is also not a perm... | instruction | 0 | 77,720 | 12 | 155,440 |
Tags: combinatorics, dp, graphs, math
Correct Solution:
```
n = int(input())
fact = 1;
two = 1;
for i in range(1, n + 1):
fact *= i
fact %= 1000000007
for i in range(1, n):
two *= 2
two %= 1000000007
print((fact - two) % 1000000007)
``` | output | 1 | 77,720 | 12 | 155,441 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A permutation of length n is an array consisting of n distinct integers from 1 to n in arbitrary order. For example, [2,3,1,5,4] is a permutation, but [1,2,2] is not a permutation (2 appears twice in the array) and [1,3,4] is also not a perm... | instruction | 0 | 77,721 | 12 | 155,442 |
Tags: combinatorics, dp, graphs, math
Correct Solution:
```
import math
M = 10 ** 9 + + 7
def fact(x):
ans = 1
for i in range(2, x + 1):
ans = (ans * i) % M
return ans
def modpow(b, p):
res = 1
while p:
if p % 2:
res = (res * b) % M
p >>= 1
b = (b ... | output | 1 | 77,721 | 12 | 155,443 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A permutation of length n is an array consisting of n distinct integers from 1 to n in arbitrary order. For example, [2,3,1,5,4] is a permutation, but [1,2,2] is not a permutation (2 appears twice in the array) and [1,3,4] is also not a perm... | instruction | 0 | 77,722 | 12 | 155,444 |
Tags: combinatorics, dp, graphs, math
Correct Solution:
```
mod = 1000000007
n = int(input())
a = 1
for i in range(1, n + 1):
a = (a * i) % mod
b = pow(2, n - 1, mod)
ans = (a - b + mod) % mod
print(ans)
``` | output | 1 | 77,722 | 12 | 155,445 |
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