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 |
|---|---|---|---|---|---|
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 | 58,687 | 5 | 117,374 |
"Correct Solution:
```
#147_D
n = int(input())
A = list(map(int, input().split()))
ans = 0
mod = 10 ** 9 + 7
for i in range(60):
s = sum([(a >> i) & 1 for a in A])
ans = (ans + s * (n-s) * pow(2,i,mod)) % mod
print(ans)
``` | output | 1 | 58,687 | 5 | 117,375 |
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 | 58,688 | 5 | 117,376 |
"Correct Solution:
```
n = int(input())
a = list(map(int,input().split()))
mod = 10**9+7
ans = 0
for i in range(60):
keta=1<<i
cnt=0
for j in a:
if keta & j:
cnt+=1
ans+=((keta%mod)*cnt*(n-cnt))%mod
print(ans%mod)
``` | output | 1 | 58,688 | 5 | 117,377 |
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 | 58,689 | 5 | 117,378 |
"Correct Solution:
```
N = int(input())
A = ''.join(list(map(lambda x: format(int(x), '060b'), input().split(' '))))
mod = 10 ** 9 + 7
ans = 0
for n in range(60):
one = A[59-n::60].count('1')
ans = (ans + 2**n *one*(N-one))%mod
print(ans)
``` | output | 1 | 58,689 | 5 | 117,379 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
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... | instruction | 0 | 58,690 | 5 | 117,380 |
Yes | output | 1 | 58,690 | 5 | 117,381 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
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... | instruction | 0 | 58,691 | 5 | 117,382 |
Yes | output | 1 | 58,691 | 5 | 117,383 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
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... | instruction | 0 | 58,692 | 5 | 117,384 |
Yes | output | 1 | 58,692 | 5 | 117,385 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
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... | instruction | 0 | 58,693 | 5 | 117,386 |
Yes | output | 1 | 58,693 | 5 | 117,387 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
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... | instruction | 0 | 58,694 | 5 | 117,388 |
No | output | 1 | 58,694 | 5 | 117,389 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
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... | instruction | 0 | 58,695 | 5 | 117,390 |
No | output | 1 | 58,695 | 5 | 117,391 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
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... | instruction | 0 | 58,696 | 5 | 117,392 |
No | output | 1 | 58,696 | 5 | 117,393 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
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... | instruction | 0 | 58,697 | 5 | 117,394 |
No | output | 1 | 58,697 | 5 | 117,395 |
Provide a correct Python 3 solution for this coding contest problem.
We have a cord whose length is a positive integer. We will perform the following condition until the length of the cord becomes at most 2:
* Operation: Cut the rope at two positions to obtain three cords, each with a length of a positive integer. Am... | instruction | 0 | 58,767 | 5 | 117,534 |
"Correct Solution:
```
n=int(input())
f=[2]
for x in range(1,501):
f.append(0)
for x in range(1,n+1):
f[x]=f[x-1]*2+2
print (f[n])
``` | output | 1 | 58,767 | 5 | 117,535 |
Provide a correct Python 3 solution for this coding contest problem.
We have a cord whose length is a positive integer. We will perform the following condition until the length of the cord becomes at most 2:
* Operation: Cut the rope at two positions to obtain three cords, each with a length of a positive integer. Am... | instruction | 0 | 58,768 | 5 | 117,536 |
"Correct Solution:
```
x=int(input())
j=2
for i in range(x):
j*=2
j+=2
print(j)
``` | output | 1 | 58,768 | 5 | 117,537 |
Provide a correct Python 3 solution for this coding contest problem.
We have a cord whose length is a positive integer. We will perform the following condition until the length of the cord becomes at most 2:
* Operation: Cut the rope at two positions to obtain three cords, each with a length of a positive integer. Am... | instruction | 0 | 58,769 | 5 | 117,538 |
"Correct Solution:
```
x=int(input())
ans=0
for i in range(1,x+2):
ans+=2**i
print(ans)
``` | output | 1 | 58,769 | 5 | 117,539 |
Provide a correct Python 3 solution for this coding contest problem.
We have a cord whose length is a positive integer. We will perform the following condition until the length of the cord becomes at most 2:
* Operation: Cut the rope at two positions to obtain three cords, each with a length of a positive integer. Am... | instruction | 0 | 58,770 | 5 | 117,540 |
"Correct Solution:
```
x=int(input())
n=2
for i in range(x):
n=n+n+1+1
print(n)
``` | output | 1 | 58,770 | 5 | 117,541 |
Provide a correct Python 3 solution for this coding contest problem.
We have a cord whose length is a positive integer. We will perform the following condition until the length of the cord becomes at most 2:
* Operation: Cut the rope at two positions to obtain three cords, each with a length of a positive integer. Am... | instruction | 0 | 58,771 | 5 | 117,542 |
"Correct Solution:
```
x=int(input())
l,r=0,100000000000000
while r-l>1:
m=(l+r)//2
t=m
cnt=0
while m>2:
cnt+=1
m=(m-1)//2
if cnt>x:
r=t
else:
l=t
print(l)
``` | output | 1 | 58,771 | 5 | 117,543 |
Provide a correct Python 3 solution for this coding contest problem.
We have a cord whose length is a positive integer. We will perform the following condition until the length of the cord becomes at most 2:
* Operation: Cut the rope at two positions to obtain three cords, each with a length of a positive integer. Am... | instruction | 0 | 58,772 | 5 | 117,544 |
"Correct Solution:
```
print((4<<int(input()))-2)
``` | output | 1 | 58,772 | 5 | 117,545 |
Provide a correct Python 3 solution for this coding contest problem.
We have a cord whose length is a positive integer. We will perform the following condition until the length of the cord becomes at most 2:
* Operation: Cut the rope at two positions to obtain three cords, each with a length of a positive integer. Am... | instruction | 0 | 58,773 | 5 | 117,546 |
"Correct Solution:
```
print(2**(int(input())+2)-2)
``` | output | 1 | 58,773 | 5 | 117,547 |
Provide a correct Python 3 solution for this coding contest problem.
We have a cord whose length is a positive integer. We will perform the following condition until the length of the cord becomes at most 2:
* Operation: Cut the rope at two positions to obtain three cords, each with a length of a positive integer. Am... | instruction | 0 | 58,774 | 5 | 117,548 |
"Correct Solution:
```
X = int(input())
ans = 1
for _ in range(X+1):
ans = 2*ans + 1
print(ans - 1)
``` | output | 1 | 58,774 | 5 | 117,549 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have a cord whose length is a positive integer. We will perform the following condition until the length of the cord becomes at most 2:
* Operation: Cut the rope at two positions to obtain t... | instruction | 0 | 58,775 | 5 | 117,550 |
Yes | output | 1 | 58,775 | 5 | 117,551 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have a cord whose length is a positive integer. We will perform the following condition until the length of the cord becomes at most 2:
* Operation: Cut the rope at two positions to obtain t... | instruction | 0 | 58,776 | 5 | 117,552 |
Yes | output | 1 | 58,776 | 5 | 117,553 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have a cord whose length is a positive integer. We will perform the following condition until the length of the cord becomes at most 2:
* Operation: Cut the rope at two positions to obtain t... | instruction | 0 | 58,777 | 5 | 117,554 |
Yes | output | 1 | 58,777 | 5 | 117,555 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have a cord whose length is a positive integer. We will perform the following condition until the length of the cord becomes at most 2:
* Operation: Cut the rope at two positions to obtain t... | instruction | 0 | 58,778 | 5 | 117,556 |
Yes | output | 1 | 58,778 | 5 | 117,557 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have a cord whose length is a positive integer. We will perform the following condition until the length of the cord becomes at most 2:
* Operation: Cut the rope at two positions to obtain t... | instruction | 0 | 58,779 | 5 | 117,558 |
No | output | 1 | 58,779 | 5 | 117,559 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have a cord whose length is a positive integer. We will perform the following condition until the length of the cord becomes at most 2:
* Operation: Cut the rope at two positions to obtain t... | instruction | 0 | 58,780 | 5 | 117,560 |
No | output | 1 | 58,780 | 5 | 117,561 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have a cord whose length is a positive integer. We will perform the following condition until the length of the cord becomes at most 2:
* Operation: Cut the rope at two positions to obtain t... | instruction | 0 | 58,781 | 5 | 117,562 |
No | output | 1 | 58,781 | 5 | 117,563 |
Provide a correct Python 3 solution for this coding contest problem.
Example
Input
2 10
Warsaw Petersburg
3
Kiev Moscow Petersburg
150 120
3
Moscow Minsk Warsaw
100 150
Output
380 1 | instruction | 0 | 58,801 | 5 | 117,602 |
"Correct Solution:
```
from heapq import heappush, heappop
import sys
def solve():
readline = sys.stdin.readline
write = sys.stdout.write
N, TI = map(int, readline().split())
A, B = readline().split()
S = []; T = []; X = []
L = 0
L = 0
NA = set()
for i in range(N):
a = int(re... | output | 1 | 58,801 | 5 | 117,603 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Let's write all the positive integer numbers one after another from 1 without any delimiters (i.e. as a single string). It will be the infinite sequence starting with 123456789101112131415161718... | instruction | 0 | 58,905 | 5 | 117,810 |
Yes | output | 1 | 58,905 | 5 | 117,811 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Let's write all the positive integer numbers one after another from 1 without any delimiters (i.e. as a single string). It will be the infinite sequence starting with 123456789101112131415161718... | instruction | 0 | 58,907 | 5 | 117,814 |
Yes | output | 1 | 58,907 | 5 | 117,815 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Let's write all the positive integer numbers one after another from 1 without any delimiters (i.e. as a single string). It will be the infinite sequence starting with 123456789101112131415161718... | instruction | 0 | 58,908 | 5 | 117,816 |
No | output | 1 | 58,908 | 5 | 117,817 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Let's write all the positive integer numbers one after another from 1 without any delimiters (i.e. as a single string). It will be the infinite sequence starting with 123456789101112131415161718... | instruction | 0 | 58,910 | 5 | 117,820 |
No | output | 1 | 58,910 | 5 | 117,821 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You've got an array a, consisting of n integers a1, a2, ..., an. You are allowed to perform two operations on this array:
1. Calculate the sum of current array elements on the segment [l, r],... | instruction | 0 | 59,143 | 5 | 118,286 |
No | output | 1 | 59,143 | 5 | 118,287 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You've got an array a, consisting of n integers a1, a2, ..., an. You are allowed to perform two operations on this array:
1. Calculate the sum of current array elements on the segment [l, r],... | instruction | 0 | 59,144 | 5 | 118,288 |
No | output | 1 | 59,144 | 5 | 118,289 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You've got an array a, consisting of n integers a1, a2, ..., an. You are allowed to perform two operations on this array:
1. Calculate the sum of current array elements on the segment [l, r],... | instruction | 0 | 59,145 | 5 | 118,290 |
No | output | 1 | 59,145 | 5 | 118,291 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You've got an array a, consisting of n integers a1, a2, ..., an. You are allowed to perform two operations on this array:
1. Calculate the sum of current array elements on the segment [l, r],... | instruction | 0 | 59,146 | 5 | 118,292 |
No | output | 1 | 59,146 | 5 | 118,293 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Little Chris is very keen on his toy blocks. His teacher, however, wants Chris to solve more problems, so he decided to play a trick on Chris.
There are exactly s blocks in Chris's set, each bl... | instruction | 0 | 59,199 | 5 | 118,398 |
No | output | 1 | 59,199 | 5 | 118,399 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Little Chris is very keen on his toy blocks. His teacher, however, wants Chris to solve more problems, so he decided to play a trick on Chris.
There are exactly s blocks in Chris's set, each bl... | instruction | 0 | 59,200 | 5 | 118,400 |
No | output | 1 | 59,200 | 5 | 118,401 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Little Chris is very keen on his toy blocks. His teacher, however, wants Chris to solve more problems, so he decided to play a trick on Chris.
There are exactly s blocks in Chris's set, each bl... | instruction | 0 | 59,201 | 5 | 118,402 |
No | output | 1 | 59,201 | 5 | 118,403 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Little Chris is very keen on his toy blocks. His teacher, however, wants Chris to solve more problems, so he decided to play a trick on Chris.
There are exactly s blocks in Chris's set, each bl... | instruction | 0 | 59,202 | 5 | 118,404 |
No | output | 1 | 59,202 | 5 | 118,405 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We all know that GukiZ often plays with arrays.
Now he is thinking about this problem: how many arrays a, of length n, with non-negative elements strictly less then 2l meet the following condi... | instruction | 0 | 59,257 | 5 | 118,514 |
Yes | output | 1 | 59,257 | 5 | 118,515 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We all know that GukiZ often plays with arrays.
Now he is thinking about this problem: how many arrays a, of length n, with non-negative elements strictly less then 2l meet the following condi... | instruction | 0 | 59,258 | 5 | 118,516 |
Yes | output | 1 | 59,258 | 5 | 118,517 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We all know that GukiZ often plays with arrays.
Now he is thinking about this problem: how many arrays a, of length n, with non-negative elements strictly less then 2l meet the following condi... | instruction | 0 | 59,259 | 5 | 118,518 |
Yes | output | 1 | 59,259 | 5 | 118,519 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We all know that GukiZ often plays with arrays.
Now he is thinking about this problem: how many arrays a, of length n, with non-negative elements strictly less then 2l meet the following condi... | instruction | 0 | 59,260 | 5 | 118,520 |
Yes | output | 1 | 59,260 | 5 | 118,521 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We all know that GukiZ often plays with arrays.
Now he is thinking about this problem: how many arrays a, of length n, with non-negative elements strictly less then 2l meet the following condi... | instruction | 0 | 59,261 | 5 | 118,522 |
No | output | 1 | 59,261 | 5 | 118,523 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We all know that GukiZ often plays with arrays.
Now he is thinking about this problem: how many arrays a, of length n, with non-negative elements strictly less then 2l meet the following condi... | instruction | 0 | 59,262 | 5 | 118,524 |
No | output | 1 | 59,262 | 5 | 118,525 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We all know that GukiZ often plays with arrays.
Now he is thinking about this problem: how many arrays a, of length n, with non-negative elements strictly less then 2l meet the following condi... | instruction | 0 | 59,263 | 5 | 118,526 |
No | output | 1 | 59,263 | 5 | 118,527 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We all know that GukiZ often plays with arrays.
Now he is thinking about this problem: how many arrays a, of length n, with non-negative elements strictly less then 2l meet the following condi... | instruction | 0 | 59,264 | 5 | 118,528 |
No | output | 1 | 59,264 | 5 | 118,529 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Consider the infinite sequence of integers: 1, 1, 2, 1, 2, 3, 1, 2, 3, 4, 1, 2, 3, 4, 5.... The sequence is built in the following way: at first the number 1 is written out, then the numbers fro... | instruction | 0 | 59,290 | 5 | 118,580 |
Yes | output | 1 | 59,290 | 5 | 118,581 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Consider the infinite sequence of integers: 1, 1, 2, 1, 2, 3, 1, 2, 3, 4, 1, 2, 3, 4, 5.... The sequence is built in the following way: at first the number 1 is written out, then the numbers fro... | instruction | 0 | 59,291 | 5 | 118,582 |
Yes | output | 1 | 59,291 | 5 | 118,583 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Consider the infinite sequence of integers: 1, 1, 2, 1, 2, 3, 1, 2, 3, 4, 1, 2, 3, 4, 5.... The sequence is built in the following way: at first the number 1 is written out, then the numbers fro... | instruction | 0 | 59,292 | 5 | 118,584 |
Yes | output | 1 | 59,292 | 5 | 118,585 |
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