message stringlengths 2 44.5k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 42 109k | cluster float64 5 5 | __index_level_0__ int64 84 217k |
|---|---|---|---|---|---|
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Programmers' kids solve this riddle in 5-10 minutes. How fast can you do it?
Input
The input contains a single integer n (0 ≤ n ≤ 2000000000).
Output
Output a single integer.
Examples
Inpu... | instruction | 0 | 57,675 | 5 | 115,350 |
No | output | 1 | 57,675 | 5 | 115,351 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Programmers' kids solve this riddle in 5-10 minutes. How fast can you do it?
Input
The input contains a single integer n (0 ≤ n ≤ 2000000000).
Output
Output a single integer.
Examples
Inpu... | instruction | 0 | 57,676 | 5 | 115,352 |
No | output | 1 | 57,676 | 5 | 115,353 |
Provide a correct Python 3 solution for this coding contest problem.
Find the number of integers between 1 and N (inclusive) that contains exactly K non-zero digits when written in base ten.
Constraints
* 1 \leq N < 10^{100}
* 1 \leq K \leq 3
Input
Input is given from Standard Input in the following format:
N
K
... | instruction | 0 | 57,786 | 5 | 115,572 |
"Correct Solution:
```
n = input()
k = int(input())
l = len(n)
dp = [[[0,0] for j in range(5)] for i in range(l+1)]
dp[0][0][1] = 1
for i in range(l):
for j in range(k+1):
dp[i+1][j+1][0] += 9 * dp[i][j][0]
dp[i+1][j ][0] += dp[i][j][0]
if n[i] == '0':
dp[i+1][j ][1] = dp[i][j][1]
else:
... | output | 1 | 57,786 | 5 | 115,573 |
Provide a correct Python 3 solution for this coding contest problem.
Find the number of integers between 1 and N (inclusive) that contains exactly K non-zero digits when written in base ten.
Constraints
* 1 \leq N < 10^{100}
* 1 \leq K \leq 3
Input
Input is given from Standard Input in the following format:
N
K
... | instruction | 0 | 57,788 | 5 | 115,576 |
"Correct Solution:
```
n=input()
k=int(input())
m=len(n)
DP=[[[0]*(k+1) for _ in range(2)] for _ in range(m+1)]
DP[0][0][0]=1
for i in range(1,m+1):
N=int(n[i-1])
for j in range(k+1):
DP[i][1][j] +=DP[i-1][1][j]
if N!=0:DP[i][1][j] +=DP[i-1][0][j]
else:DP[i][0][j] +=DP[i-1][0][j]
... | output | 1 | 57,788 | 5 | 115,577 |
Provide a correct Python 3 solution for this coding contest problem.
Find the number of integers between 1 and N (inclusive) that contains exactly K non-zero digits when written in base ten.
Constraints
* 1 \leq N < 10^{100}
* 1 \leq K \leq 3
Input
Input is given from Standard Input in the following format:
N
K
... | instruction | 0 | 57,789 | 5 | 115,578 |
"Correct Solution:
```
N = input()
K = int(input())
def solve(N, K):
l = len(N)
dp = [[[0] * (10) for i in range(2)] for _ in range(l+1)]
dp[0][0][0] = 1
for i in range(l):
D = int(N[i])
for j in range(2):
for k in range(K+1):
for d in range(10):
... | output | 1 | 57,789 | 5 | 115,579 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Find the number of integers between 1 and N (inclusive) that contains exactly K non-zero digits when written in base ten.
Constraints
* 1 \leq N < 10^{100}
* 1 \leq K \leq 3
Input
Input is g... | instruction | 0 | 57,792 | 5 | 115,584 |
Yes | output | 1 | 57,792 | 5 | 115,585 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Find the number of integers between 1 and N (inclusive) that contains exactly K non-zero digits when written in base ten.
Constraints
* 1 \leq N < 10^{100}
* 1 \leq K \leq 3
Input
Input is g... | instruction | 0 | 57,794 | 5 | 115,588 |
Yes | output | 1 | 57,794 | 5 | 115,589 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Find the number of integers between 1 and N (inclusive) that contains exactly K non-zero digits when written in base ten.
Constraints
* 1 \leq N < 10^{100}
* 1 \leq K \leq 3
Input
Input is g... | instruction | 0 | 57,796 | 5 | 115,592 |
No | output | 1 | 57,796 | 5 | 115,593 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Find the number of integers between 1 and N (inclusive) that contains exactly K non-zero digits when written in base ten.
Constraints
* 1 \leq N < 10^{100}
* 1 \leq K \leq 3
Input
Input is g... | instruction | 0 | 57,798 | 5 | 115,596 |
No | output | 1 | 57,798 | 5 | 115,597 |
Provide a correct Python 3 solution for this coding contest problem.
You are given an integer sequence A of length N and an integer K. You will perform the following operation on this sequence Q times:
* Choose a contiguous subsequence of length K, then remove the smallest element among the K elements contained in th... | instruction | 0 | 57,838 | 5 | 115,676 |
"Correct Solution:
```
N, K, Q = map(int, input().split())
A = [int(i) for i in input().split()]
def solve() :
if Q == 1 : return 0
ret = float('inf')
for i in range(N) :
l = -1
for j in range(i, max(-1, i - K), -1) :
if A[j] < A[i] :
l = j
... | output | 1 | 57,838 | 5 | 115,677 |
Provide a correct Python 3 solution for this coding contest problem.
You are given an integer sequence A of length N and an integer K. You will perform the following operation on this sequence Q times:
* Choose a contiguous subsequence of length K, then remove the smallest element among the K elements contained in th... | instruction | 0 | 57,839 | 5 | 115,678 |
"Correct Solution:
```
import sys
sys.setrecursionlimit(10 ** 6)
int1 = lambda x: int(x) - 1
p2D = lambda x: print(*x, sep="\n")
def II(): return int(sys.stdin.readline())
def MI(): return map(int, sys.stdin.readline().split())
def LI(): return list(map(int, sys.stdin.readline().split()))
def LLI(rows_number): return ... | output | 1 | 57,839 | 5 | 115,679 |
Provide a correct Python 3 solution for this coding contest problem.
You are given an integer sequence A of length N and an integer K. You will perform the following operation on this sequence Q times:
* Choose a contiguous subsequence of length K, then remove the smallest element among the K elements contained in th... | instruction | 0 | 57,840 | 5 | 115,680 |
"Correct Solution:
```
import sys
input = sys.stdin.readline
def main():
n, k, q = map(int, input().split())
a = list(map(int, input().split()))
b = [[v, i]for i, v in enumerate(a)]
b.sort()
index = [0]*n
for i in range(n):
index[i] = b[i][1]
judge = [[] for i in range(n)]
alr... | output | 1 | 57,840 | 5 | 115,681 |
Provide a correct Python 3 solution for this coding contest problem.
You are given an integer sequence A of length N and an integer K. You will perform the following operation on this sequence Q times:
* Choose a contiguous subsequence of length K, then remove the smallest element among the K elements contained in th... | instruction | 0 | 57,841 | 5 | 115,682 |
"Correct Solution:
```
inf = float('inf')
N, K, Q = map(int, input().split())
a = tuple(map(int, input().split()))
ans = inf
for ma in sorted(set(a)):
res = []
seq = 0
for i, aa in enumerate(a):
if aa >= ma:
# 最小値以上の要素は部分列に含めてよい
seq += 1
else:
# 最小値未満の要素... | output | 1 | 57,841 | 5 | 115,683 |
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 sequence A of length N and an integer K. You will perform the following operation on this sequence Q times:
* Choose a contiguous subsequence of length K, then remove t... | instruction | 0 | 57,843 | 5 | 115,686 |
Yes | output | 1 | 57,843 | 5 | 115,687 |
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 sequence A of length N and an integer K. You will perform the following operation on this sequence Q times:
* Choose a contiguous subsequence of length K, then remove t... | instruction | 0 | 57,844 | 5 | 115,688 |
Yes | output | 1 | 57,844 | 5 | 115,689 |
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 sequence A of length N and an integer K. You will perform the following operation on this sequence Q times:
* Choose a contiguous subsequence of length K, then remove t... | instruction | 0 | 57,845 | 5 | 115,690 |
Yes | output | 1 | 57,845 | 5 | 115,691 |
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 sequence A of length N and an integer K. You will perform the following operation on this sequence Q times:
* Choose a contiguous subsequence of length K, then remove t... | instruction | 0 | 57,846 | 5 | 115,692 |
No | output | 1 | 57,846 | 5 | 115,693 |
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 sequence A of length N and an integer K. You will perform the following operation on this sequence Q times:
* Choose a contiguous subsequence of length K, then remove t... | instruction | 0 | 57,847 | 5 | 115,694 |
No | output | 1 | 57,847 | 5 | 115,695 |
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 sequence A of length N and an integer K. You will perform the following operation on this sequence Q times:
* Choose a contiguous subsequence of length K, then remove t... | instruction | 0 | 57,848 | 5 | 115,696 |
No | output | 1 | 57,848 | 5 | 115,697 |
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 sequence A of length N and an integer K. You will perform the following operation on this sequence Q times:
* Choose a contiguous subsequence of length K, then remove t... | instruction | 0 | 57,849 | 5 | 115,698 |
No | output | 1 | 57,849 | 5 | 115,699 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Write a program which reads a sequence of integers $A = \\{a_0, a_1, ..., a_{n-1}\\}$ and swap specified elements by a list of the following operation:
* swapRange($b, e, t$): For each integer ... | instruction | 0 | 57,977 | 5 | 115,954 |
Yes | output | 1 | 57,977 | 5 | 115,955 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Write a program which reads a sequence of integers $A = \\{a_0, a_1, ..., a_{n-1}\\}$ and swap specified elements by a list of the following operation:
* swapRange($b, e, t$): For each integer ... | instruction | 0 | 57,978 | 5 | 115,956 |
Yes | output | 1 | 57,978 | 5 | 115,957 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Write a program which reads a sequence of integers $A = \\{a_0, a_1, ..., a_{n-1}\\}$ and swap specified elements by a list of the following operation:
* swapRange($b, e, t$): For each integer ... | instruction | 0 | 57,979 | 5 | 115,958 |
Yes | output | 1 | 57,979 | 5 | 115,959 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Write a program which reads a sequence of integers $A = \\{a_0, a_1, ..., a_{n-1}\\}$ and swap specified elements by a list of the following operation:
* swapRange($b, e, t$): For each integer ... | instruction | 0 | 57,980 | 5 | 115,960 |
Yes | output | 1 | 57,980 | 5 | 115,961 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Write a program which reads a sequence of integers $A = \\{a_0, a_1, ..., a_{n-1}\\}$ and swap specified elements by a list of the following operation:
* swapRange($b, e, t$): For each integer ... | instruction | 0 | 57,982 | 5 | 115,964 |
No | output | 1 | 57,982 | 5 | 115,965 |
Provide a correct Python 3 solution for this coding contest problem.
When Masha came to math classes today, she saw two integer sequences of length n - 1 on the blackboard. Let's denote the elements of the first sequence as a_i (0 ≤ a_i ≤ 3), and the elements of the second sequence as b_i (0 ≤ b_i ≤ 3).
Masha became ... | instruction | 0 | 57,992 | 5 | 115,984 |
"Correct Solution:
```
n = int(input())
a = list(map(int, input().split()))
b = list(map(int, input().split()))
t = [[-1] * n for i in range(4)]
t[0][0] = 0
t[1][0] = 1
t[2][0] = 2
t[3][0] = 3
for i in range(1, n):
for j in range(4):
if t[j][i - 1] != -1:
for k in range(4):
if (t... | output | 1 | 57,992 | 5 | 115,985 |
Provide a correct Python 3 solution for this coding contest problem.
When Masha came to math classes today, she saw two integer sequences of length n - 1 on the blackboard. Let's denote the elements of the first sequence as a_i (0 ≤ a_i ≤ 3), and the elements of the second sequence as b_i (0 ≤ b_i ≤ 3).
Masha became ... | instruction | 0 | 57,993 | 5 | 115,986 |
"Correct Solution:
```
from itertools import product
#def loop(n, t=[]):
#if n == 1:
#return True, t
#for i in range(3):
#l = loop(n - 1, t + [i])
#if l[0]:
#for j in range(n - 1):
#if not (t[j] | t[j + 1] == a[j] and t[j] & t[j + 1] == b[j]):
... | output | 1 | 57,993 | 5 | 115,987 |
Provide a correct Python 3 solution for this coding contest problem.
When Masha came to math classes today, she saw two integer sequences of length n - 1 on the blackboard. Let's denote the elements of the first sequence as a_i (0 ≤ a_i ≤ 3), and the elements of the second sequence as b_i (0 ≤ b_i ≤ 3).
Masha became ... | instruction | 0 | 57,994 | 5 | 115,988 |
"Correct Solution:
```
n = int(input())
a = list(map(int, input().split()))
b = list(map(int, input().split()))
for i in range(n-1):
if a[i] == 3:
a[i] = '11'
elif a[i] == 2:
a[i] = '10'
elif a[i] == 1:
a[i] = '01'
elif a[i] == 0:
a[i] = '00'
for i in range(n-1):
if... | output | 1 | 57,994 | 5 | 115,989 |
Provide a correct Python 3 solution for this coding contest problem.
When Masha came to math classes today, she saw two integer sequences of length n - 1 on the blackboard. Let's denote the elements of the first sequence as a_i (0 ≤ a_i ≤ 3), and the elements of the second sequence as b_i (0 ≤ b_i ≤ 3).
Masha became ... | instruction | 0 | 57,995 | 5 | 115,990 |
"Correct Solution:
```
n = int(input())
flag = 0
argsa = list(map(int, input().split()))
argsb = list(map(int, input().split()))
argst = [0]
for i in range (n-1):
for j in range (4):
if (argst[i] & j == argsb[i]) and (argst[i] | j == argsa[i]):
argst.append(j)
flag = 1
br... | output | 1 | 57,995 | 5 | 115,991 |
Provide a correct Python 3 solution for this coding contest problem.
When Masha came to math classes today, she saw two integer sequences of length n - 1 on the blackboard. Let's denote the elements of the first sequence as a_i (0 ≤ a_i ≤ 3), and the elements of the second sequence as b_i (0 ≤ b_i ≤ 3).
Masha became ... | instruction | 0 | 57,996 | 5 | 115,992 |
"Correct Solution:
```
n=int(input())
a=list(map(int,input().split()))
b=list(map(int,input().split()))
for i in range(4):
c=[-1]*n
c[0]=i
for j in range(n-1):
if c[j] == -1:
break
for k in range(4):
if((c[j]|k)==a[j] and (c[j]&k)==b[j]):
c[j+1]=k
... | output | 1 | 57,996 | 5 | 115,993 |
Provide a correct Python 3 solution for this coding contest problem.
When Masha came to math classes today, she saw two integer sequences of length n - 1 on the blackboard. Let's denote the elements of the first sequence as a_i (0 ≤ a_i ≤ 3), and the elements of the second sequence as b_i (0 ≤ b_i ≤ 3).
Masha became ... | instruction | 0 | 57,997 | 5 | 115,994 |
"Correct Solution:
```
n = int(input())
a = list(map(int, input().split()))
b = list(map(int, input().split()))
pos_and = [
{(0, 1), (0, 2), (0, 3), (0, 0), (1, 2)},
{(1, 3), (1, 1)},
{(2, 3), (2, 2)},
{(3, 3)}
]
pos_or = [
{(0, 0)},
{(0, 1), (1, 1)},
{(0, 2), (2, 2)},
{(0, 3), (1, 3),... | output | 1 | 57,997 | 5 | 115,995 |
Provide a correct Python 3 solution for this coding contest problem.
When Masha came to math classes today, she saw two integer sequences of length n - 1 on the blackboard. Let's denote the elements of the first sequence as a_i (0 ≤ a_i ≤ 3), and the elements of the second sequence as b_i (0 ≤ b_i ≤ 3).
Masha became ... | instruction | 0 | 57,998 | 5 | 115,996 |
"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
import threading
... | output | 1 | 57,998 | 5 | 115,997 |
Provide a correct Python 3 solution for this coding contest problem.
When Masha came to math classes today, she saw two integer sequences of length n - 1 on the blackboard. Let's denote the elements of the first sequence as a_i (0 ≤ a_i ≤ 3), and the elements of the second sequence as b_i (0 ≤ b_i ≤ 3).
Masha became ... | instruction | 0 | 57,999 | 5 | 115,998 |
"Correct Solution:
```
n=int(input())
a=list(map(int,input().split()))
b=list(map(int,input().split()))
for i in range(4):
ans=[-1]*n
ans[0]=i
flag=False
for j in range(1,n):
flag=False
for k in range(4):
if a[j-1]==(k|ans[j-1]) and b[j-1]==(k&ans[j-1]):
ans[... | output | 1 | 57,999 | 5 | 115,999 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
When Masha came to math classes today, she saw two integer sequences of length n - 1 on the blackboard. Let's denote the elements of the first sequence as a_i (0 ≤ a_i ≤ 3), and the elements of ... | instruction | 0 | 58,000 | 5 | 116,000 |
Yes | output | 1 | 58,000 | 5 | 116,001 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
When Masha came to math classes today, she saw two integer sequences of length n - 1 on the blackboard. Let's denote the elements of the first sequence as a_i (0 ≤ a_i ≤ 3), and the elements of ... | instruction | 0 | 58,001 | 5 | 116,002 |
Yes | output | 1 | 58,001 | 5 | 116,003 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
When Masha came to math classes today, she saw two integer sequences of length n - 1 on the blackboard. Let's denote the elements of the first sequence as a_i (0 ≤ a_i ≤ 3), and the elements of ... | instruction | 0 | 58,002 | 5 | 116,004 |
Yes | output | 1 | 58,002 | 5 | 116,005 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
When Masha came to math classes today, she saw two integer sequences of length n - 1 on the blackboard. Let's denote the elements of the first sequence as a_i (0 ≤ a_i ≤ 3), and the elements of ... | instruction | 0 | 58,003 | 5 | 116,006 |
Yes | output | 1 | 58,003 | 5 | 116,007 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
When Masha came to math classes today, she saw two integer sequences of length n - 1 on the blackboard. Let's denote the elements of the first sequence as a_i (0 ≤ a_i ≤ 3), and the elements of ... | instruction | 0 | 58,004 | 5 | 116,008 |
No | output | 1 | 58,004 | 5 | 116,009 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
When Masha came to math classes today, she saw two integer sequences of length n - 1 on the blackboard. Let's denote the elements of the first sequence as a_i (0 ≤ a_i ≤ 3), and the elements of ... | instruction | 0 | 58,005 | 5 | 116,010 |
No | output | 1 | 58,005 | 5 | 116,011 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
When Masha came to math classes today, she saw two integer sequences of length n - 1 on the blackboard. Let's denote the elements of the first sequence as a_i (0 ≤ a_i ≤ 3), and the elements of ... | instruction | 0 | 58,006 | 5 | 116,012 |
No | output | 1 | 58,006 | 5 | 116,013 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
When Masha came to math classes today, she saw two integer sequences of length n - 1 on the blackboard. Let's denote the elements of the first sequence as a_i (0 ≤ a_i ≤ 3), and the elements of ... | instruction | 0 | 58,007 | 5 | 116,014 |
No | output | 1 | 58,007 | 5 | 116,015 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Karen has just arrived at school, and she has a math test today!
<image>
The test is about basic addition and subtraction. Unfortunately, the teachers were too busy writing tasks for Codeforce... | instruction | 0 | 58,577 | 5 | 117,154 |
No | output | 1 | 58,577 | 5 | 117,155 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Karen has just arrived at school, and she has a math test today!
<image>
The test is about basic addition and subtraction. Unfortunately, the teachers were too busy writing tasks for Codeforce... | instruction | 0 | 58,578 | 5 | 117,156 |
No | output | 1 | 58,578 | 5 | 117,157 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Karen has just arrived at school, and she has a math test today!
<image>
The test is about basic addition and subtraction. Unfortunately, the teachers were too busy writing tasks for Codeforce... | instruction | 0 | 58,579 | 5 | 117,158 |
No | output | 1 | 58,579 | 5 | 117,159 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Karen has just arrived at school, and she has a math test today!
<image>
The test is about basic addition and subtraction. Unfortunately, the teachers were too busy writing tasks for Codeforce... | instruction | 0 | 58,580 | 5 | 117,160 |
No | output | 1 | 58,580 | 5 | 117,161 |
Provide a correct Python 3 solution for this coding contest problem.
We have N integers. The i-th integer is A_i.
Find \sum_{i=1}^{N-1}\sum_{j=i+1}^{N} (A_i \mbox{ XOR } A_j), modulo (10^9+7).
What is \mbox{ XOR }?
The XOR of integers A and B, A \mbox{ XOR } B, is defined as follows:
* When A \mbox{ XOR } B is wri... | instruction | 0 | 58,682 | 5 | 117,364 |
"Correct Solution:
```
N=int(input())
bin_a="".join(["{:060b}".format(a) for a in map(int, input().split())])
mod=10**9+7
xor=0
for d in range(60):
ones=bin_a[59-d::60].count('1')
xor+=2**d*ones*(N-ones)
print(xor%mod)
``` | output | 1 | 58,682 | 5 | 117,365 |
Provide a correct Python 3 solution for this coding contest problem.
We have N integers. The i-th integer is A_i.
Find \sum_{i=1}^{N-1}\sum_{j=i+1}^{N} (A_i \mbox{ XOR } A_j), modulo (10^9+7).
What is \mbox{ XOR }?
The XOR of integers A and B, A \mbox{ XOR } B, is defined as follows:
* When A \mbox{ XOR } B is wri... | instruction | 0 | 58,683 | 5 | 117,366 |
"Correct Solution:
```
n=int(input())
a=list(map(int,input().split()))
mod=10**9+7
ans=0
for i in range(60):
on=0
off=0
for j in a:
if (j>>i)&1:
on+=1
else:
off+=1
ans+=(on*off)*(2**i)
ans%=mod
print(ans)
``` | output | 1 | 58,683 | 5 | 117,367 |
Provide a correct Python 3 solution for this coding contest problem.
We have N integers. The i-th integer is A_i.
Find \sum_{i=1}^{N-1}\sum_{j=i+1}^{N} (A_i \mbox{ XOR } A_j), modulo (10^9+7).
What is \mbox{ XOR }?
The XOR of integers A and B, A \mbox{ XOR } B, is defined as follows:
* When A \mbox{ XOR } B is wri... | instruction | 0 | 58,684 | 5 | 117,368 |
"Correct Solution:
```
N = int(input())
A = list(map(int, input().split()))
mod = 10**9 + 7
ans = 0
for i in range(60):
X = sum([1 for x in A if (x >> i) & 1])
ans += (1 << i) * X * (N - X)
ans %= mod
print(ans)
``` | output | 1 | 58,684 | 5 | 117,369 |
Provide a correct Python 3 solution for this coding contest problem.
We have N integers. The i-th integer is A_i.
Find \sum_{i=1}^{N-1}\sum_{j=i+1}^{N} (A_i \mbox{ XOR } A_j), modulo (10^9+7).
What is \mbox{ XOR }?
The XOR of integers A and B, A \mbox{ XOR } B, is defined as follows:
* When A \mbox{ XOR } B is wri... | instruction | 0 | 58,685 | 5 | 117,370 |
"Correct Solution:
```
MOD = 10**9+7
N = int(input())
A = list(map(int, input().split()))
ans = 0
for i in range(60):
x = 0
for a in A:
if a >> i & 1:
x += 1
ans += x * (N-x) * (2**i)
ans %= MOD
print(ans)
``` | output | 1 | 58,685 | 5 | 117,371 |
Provide a correct Python 3 solution for this coding contest problem.
We have N integers. The i-th integer is A_i.
Find \sum_{i=1}^{N-1}\sum_{j=i+1}^{N} (A_i \mbox{ XOR } A_j), modulo (10^9+7).
What is \mbox{ XOR }?
The XOR of integers A and B, A \mbox{ XOR } B, is defined as follows:
* When A \mbox{ XOR } B is wri... | instruction | 0 | 58,686 | 5 | 117,372 |
"Correct Solution:
```
n = int(input())
xs = [int(x) for x in input().split()]
M = 10**9 + 7
r = 0
for i in range(61):
k = 0
for x in xs:
k += (x >> i) % 2
r = (r + ((n-k) * k % M) * pow(2, i) )% M
print(r)
``` | output | 1 | 58,686 | 5 | 117,373 |
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