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.
You are given three sequences: a_1, a_2, …, a_n; b_1, b_2, …, b_n; c_1, c_2, …, c_n.
For each i, a_i ≠ b_i, a_i ≠ c_i, b_i ≠ c_i.
Find a sequence p_1, p_2, …, p_n, that satisfy the following c... | instruction | 0 | 59,915 | 5 | 119,830 |
No | output | 1 | 59,915 | 5 | 119,831 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Dima got into number sequences. Now he's got sequence a1, a2, ..., an, consisting of n positive integers. Also, Dima has got a function f(x), which can be defined with the following recurrence:
... | instruction | 0 | 60,063 | 5 | 120,126 |
Yes | output | 1 | 60,063 | 5 | 120,127 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Dima got into number sequences. Now he's got sequence a1, a2, ..., an, consisting of n positive integers. Also, Dima has got a function f(x), which can be defined with the following recurrence:
... | instruction | 0 | 60,064 | 5 | 120,128 |
Yes | output | 1 | 60,064 | 5 | 120,129 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Dima got into number sequences. Now he's got sequence a1, a2, ..., an, consisting of n positive integers. Also, Dima has got a function f(x), which can be defined with the following recurrence:
... | instruction | 0 | 60,065 | 5 | 120,130 |
Yes | output | 1 | 60,065 | 5 | 120,131 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Dima got into number sequences. Now he's got sequence a1, a2, ..., an, consisting of n positive integers. Also, Dima has got a function f(x), which can be defined with the following recurrence:
... | instruction | 0 | 60,066 | 5 | 120,132 |
Yes | output | 1 | 60,066 | 5 | 120,133 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Dima got into number sequences. Now he's got sequence a1, a2, ..., an, consisting of n positive integers. Also, Dima has got a function f(x), which can be defined with the following recurrence:
... | instruction | 0 | 60,067 | 5 | 120,134 |
No | output | 1 | 60,067 | 5 | 120,135 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Dima got into number sequences. Now he's got sequence a1, a2, ..., an, consisting of n positive integers. Also, Dima has got a function f(x), which can be defined with the following recurrence:
... | instruction | 0 | 60,068 | 5 | 120,136 |
No | output | 1 | 60,068 | 5 | 120,137 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Dima got into number sequences. Now he's got sequence a1, a2, ..., an, consisting of n positive integers. Also, Dima has got a function f(x), which can be defined with the following recurrence:
... | instruction | 0 | 60,069 | 5 | 120,138 |
No | output | 1 | 60,069 | 5 | 120,139 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Dima got into number sequences. Now he's got sequence a1, a2, ..., an, consisting of n positive integers. Also, Dima has got a function f(x), which can be defined with the following recurrence:
... | instruction | 0 | 60,070 | 5 | 120,140 |
No | output | 1 | 60,070 | 5 | 120,141 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Artsem has a friend Saunders from University of Chicago. Saunders presented him with the following problem.
Let [n] denote the set {1, ..., n}. We will also write f: [x] → [y] when a function f is defined in integer points 1, ..., x, and al... | instruction | 0 | 60,268 | 5 | 120,536 |
Tags: constructive algorithms, dsu, math
Correct Solution:
```
import sys
from collections import defaultdict
def debug(x, table):
for name, val in table.items():
if x is val:
print('DEBUG:{} -> {}'.format(name, val), file=sys.stderr)
return None
def solve():
n = int(input())
... | output | 1 | 60,268 | 5 | 120,537 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Artsem has a friend Saunders from University of Chicago. Saunders presented him with the following problem.
Let [n] denote the set {1, ..., n}. We will also write f: [x] → [y] when a function f is defined in integer points 1, ..., x, and al... | instruction | 0 | 60,269 | 5 | 120,538 |
Tags: constructive algorithms, dsu, math
Correct Solution:
```
n = int(input())
f = [int(x) - 1 for x in input().split()]
p = [-1] * n
g = [0] * n
h = [0] * n
m = 0
for i in range(n):
if f[i] == i:
p[i] = m
h[m] = i + 1
m += 1
h = h[:m]
for i in range(n):
if p[f[i]] == -1:
prin... | output | 1 | 60,269 | 5 | 120,539 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Artsem has a friend Saunders from University of Chicago. Saunders presented him with the following problem.
Let [n] denote the set {1, ..., n}. We will also write f: [x] → [y] when a function f is defined in integer points 1, ..., x, and al... | instruction | 0 | 60,270 | 5 | 120,540 |
Tags: constructive algorithms, dsu, math
Correct Solution:
```
import bisect
n = int(input())
f = [0] + list(map(int, input().split()))
possible = True
for x in range(1, n + 1):
if f[f[x]] != f[x]:
possible = False
break
if possible:
h = sorted(set(f))
g = [0]
for x in range(1, n+1):
... | output | 1 | 60,270 | 5 | 120,541 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Artsem has a friend Saunders from University of Chicago. Saunders presented him with the following problem.
Let [n] denote the set {1, ..., n}. We will also write f: [x] → [y] when a function f is defined in integer points 1, ..., x, and al... | instruction | 0 | 60,271 | 5 | 120,542 |
Tags: constructive algorithms, dsu, math
Correct Solution:
```
n = int(input())
f = [-1] + list(map(int, input().split()))
g = [-1]*(n+1)
h = [-1]
c = 1
for i in range(1, n+1):
if(f[i] == i):
g[i] = c
h += [i]
c += 1
hinv = {}
m = len(h)-1
for i in range(1, m+1):
hinv[h[i]] = i
for i in range(1, n+1):
if(g[i... | output | 1 | 60,271 | 5 | 120,543 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Artsem has a friend Saunders from University of Chicago. Saunders presented him with the following problem.
Let [n] denote the set {1, ..., n}. We will also write f: [x] → [y] when a function f is defined in integer points 1, ..., x, and al... | instruction | 0 | 60,272 | 5 | 120,544 |
Tags: constructive algorithms, dsu, math
Correct Solution:
```
import sys
n = int(input())
s = input().split()
a = [int(i) for i in s]
a.insert(0,0)
hash = [0 for i in range(n+1)]
g = [0 for i in range(n+1)]
h = [0 for i in range(n+1)]
index = 1
for i in range(1, n+1):
if hash[a[i]] == 0:
if index>n:
print(-1)... | output | 1 | 60,272 | 5 | 120,545 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Artsem has a friend Saunders from University of Chicago. Saunders presented him with the following problem.
Let [n] denote the set {1, ..., n}. We will also write f: [x] → [y] when a function f is defined in integer points 1, ..., x, and al... | instruction | 0 | 60,275 | 5 | 120,550 |
Tags: constructive algorithms, dsu, math
Correct Solution:
```
n = int(input())
f = [y for y in map(int, input().split())]
im_f = list(set(f))
ok = True
for y in im_f:
index = y - 1
ok &= f[index] == y
if ok:
m = len(im_f)
ind = {}
for i, y in enumerate(im_f):
ind[y] = i + 1
print(m)
... | output | 1 | 60,275 | 5 | 120,551 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Artsem has a friend Saunders from University of Chicago. Saunders presented him with the following problem.
Let [n] denote the set {1, ..., n}. We will also write f: [x] → [y] when a function f... | instruction | 0 | 60,276 | 5 | 120,552 |
Yes | output | 1 | 60,276 | 5 | 120,553 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Artsem has a friend Saunders from University of Chicago. Saunders presented him with the following problem.
Let [n] denote the set {1, ..., n}. We will also write f: [x] → [y] when a function f... | instruction | 0 | 60,277 | 5 | 120,554 |
Yes | output | 1 | 60,277 | 5 | 120,555 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Artsem has a friend Saunders from University of Chicago. Saunders presented him with the following problem.
Let [n] denote the set {1, ..., n}. We will also write f: [x] → [y] when a function f... | instruction | 0 | 60,278 | 5 | 120,556 |
Yes | output | 1 | 60,278 | 5 | 120,557 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Artsem has a friend Saunders from University of Chicago. Saunders presented him with the following problem.
Let [n] denote the set {1, ..., n}. We will also write f: [x] → [y] when a function f... | instruction | 0 | 60,279 | 5 | 120,558 |
Yes | output | 1 | 60,279 | 5 | 120,559 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Artsem has a friend Saunders from University of Chicago. Saunders presented him with the following problem.
Let [n] denote the set {1, ..., n}. We will also write f: [x] → [y] when a function f... | instruction | 0 | 60,280 | 5 | 120,560 |
No | output | 1 | 60,280 | 5 | 120,561 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Artsem has a friend Saunders from University of Chicago. Saunders presented him with the following problem.
Let [n] denote the set {1, ..., n}. We will also write f: [x] → [y] when a function f... | instruction | 0 | 60,281 | 5 | 120,562 |
No | output | 1 | 60,281 | 5 | 120,563 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Artsem has a friend Saunders from University of Chicago. Saunders presented him with the following problem.
Let [n] denote the set {1, ..., n}. We will also write f: [x] → [y] when a function f... | instruction | 0 | 60,282 | 5 | 120,564 |
No | output | 1 | 60,282 | 5 | 120,565 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Artsem has a friend Saunders from University of Chicago. Saunders presented him with the following problem.
Let [n] denote the set {1, ..., n}. We will also write f: [x] → [y] when a function f... | instruction | 0 | 60,283 | 5 | 120,566 |
No | output | 1 | 60,283 | 5 | 120,567 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Let's denote a function
<image>
You are given an array a consisting of n integers. You have to calculate the sum of d(ai, aj) over all pairs (i, j) such that 1 ≤ i ≤ j ≤ n.
Input
The first ... | instruction | 0 | 60,356 | 5 | 120,712 |
Yes | output | 1 | 60,356 | 5 | 120,713 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Let's denote a function
<image>
You are given an array a consisting of n integers. You have to calculate the sum of d(ai, aj) over all pairs (i, j) such that 1 ≤ i ≤ j ≤ n.
Input
The first ... | instruction | 0 | 60,357 | 5 | 120,714 |
Yes | output | 1 | 60,357 | 5 | 120,715 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Let's denote a function
<image>
You are given an array a consisting of n integers. You have to calculate the sum of d(ai, aj) over all pairs (i, j) such that 1 ≤ i ≤ j ≤ n.
Input
The first ... | instruction | 0 | 60,358 | 5 | 120,716 |
Yes | output | 1 | 60,358 | 5 | 120,717 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Let's denote a function
<image>
You are given an array a consisting of n integers. You have to calculate the sum of d(ai, aj) over all pairs (i, j) such that 1 ≤ i ≤ j ≤ n.
Input
The first ... | instruction | 0 | 60,359 | 5 | 120,718 |
Yes | output | 1 | 60,359 | 5 | 120,719 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Let's denote a function
<image>
You are given an array a consisting of n integers. You have to calculate the sum of d(ai, aj) over all pairs (i, j) such that 1 ≤ i ≤ j ≤ n.
Input
The first ... | instruction | 0 | 60,360 | 5 | 120,720 |
No | output | 1 | 60,360 | 5 | 120,721 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Let's denote a function
<image>
You are given an array a consisting of n integers. You have to calculate the sum of d(ai, aj) over all pairs (i, j) such that 1 ≤ i ≤ j ≤ n.
Input
The first ... | instruction | 0 | 60,361 | 5 | 120,722 |
No | output | 1 | 60,361 | 5 | 120,723 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Let's denote a function
<image>
You are given an array a consisting of n integers. You have to calculate the sum of d(ai, aj) over all pairs (i, j) such that 1 ≤ i ≤ j ≤ n.
Input
The first ... | instruction | 0 | 60,362 | 5 | 120,724 |
No | output | 1 | 60,362 | 5 | 120,725 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Let's denote a function
<image>
You are given an array a consisting of n integers. You have to calculate the sum of d(ai, aj) over all pairs (i, j) such that 1 ≤ i ≤ j ≤ n.
Input
The first ... | instruction | 0 | 60,363 | 5 | 120,726 |
No | output | 1 | 60,363 | 5 | 120,727 |
Provide a correct Python 3 solution for this coding contest problem.
Given is a positive integer N. How many tuples (A,B,C) of positive integers satisfy A \times B + C = N?
Constraints
* 2 \leq N \leq 10^6
* All values in input are integers.
Input
Input is given from Standard Input in the following format:
N
O... | instruction | 0 | 60,383 | 5 | 120,766 |
"Correct Solution:
```
n = int(input())
ans=0
for i in range(1,n):
ans+=int((n-1)/i)
print(ans)
``` | output | 1 | 60,383 | 5 | 120,767 |
Provide a correct Python 3 solution for this coding contest problem.
Given is a positive integer N. How many tuples (A,B,C) of positive integers satisfy A \times B + C = N?
Constraints
* 2 \leq N \leq 10^6
* All values in input are integers.
Input
Input is given from Standard Input in the following format:
N
O... | instruction | 0 | 60,384 | 5 | 120,768 |
"Correct Solution:
```
N=int(input())
s=0
for i in range(1,N):
s+=(N-1)//i
print(s)
``` | output | 1 | 60,384 | 5 | 120,769 |
Provide a correct Python 3 solution for this coding contest problem.
Given is a positive integer N. How many tuples (A,B,C) of positive integers satisfy A \times B + C = N?
Constraints
* 2 \leq N \leq 10^6
* All values in input are integers.
Input
Input is given from Standard Input in the following format:
N
O... | instruction | 0 | 60,385 | 5 | 120,770 |
"Correct Solution:
```
N=int(input())
ans=0
for i in range(1,N):
ans+=(N-1)//i
#print(N//i)
print(ans)
``` | output | 1 | 60,385 | 5 | 120,771 |
Provide a correct Python 3 solution for this coding contest problem.
Given is a positive integer N. How many tuples (A,B,C) of positive integers satisfy A \times B + C = N?
Constraints
* 2 \leq N \leq 10^6
* All values in input are integers.
Input
Input is given from Standard Input in the following format:
N
O... | instruction | 0 | 60,386 | 5 | 120,772 |
"Correct Solution:
```
n=int(input())
count=0
for i in range(1,n):
count+=int((n-1)/i)
print(int(count))
``` | output | 1 | 60,386 | 5 | 120,773 |
Provide a correct Python 3 solution for this coding contest problem.
Given is a positive integer N. How many tuples (A,B,C) of positive integers satisfy A \times B + C = N?
Constraints
* 2 \leq N \leq 10^6
* All values in input are integers.
Input
Input is given from Standard Input in the following format:
N
O... | instruction | 0 | 60,387 | 5 | 120,774 |
"Correct Solution:
```
n=int(input())
ans=0
for i in range(1,n):
ans+=-(-n//i)-1
print(ans)
``` | output | 1 | 60,387 | 5 | 120,775 |
Provide a correct Python 3 solution for this coding contest problem.
Given is a positive integer N. How many tuples (A,B,C) of positive integers satisfy A \times B + C = N?
Constraints
* 2 \leq N \leq 10^6
* All values in input are integers.
Input
Input is given from Standard Input in the following format:
N
O... | instruction | 0 | 60,388 | 5 | 120,776 |
"Correct Solution:
```
n=int(input())
ar=0
for i in range(1,n+1):
ar+=(n-1)//i
print(ar)
``` | output | 1 | 60,388 | 5 | 120,777 |
Provide a correct Python 3 solution for this coding contest problem.
Given is a positive integer N. How many tuples (A,B,C) of positive integers satisfy A \times B + C = N?
Constraints
* 2 \leq N \leq 10^6
* All values in input are integers.
Input
Input is given from Standard Input in the following format:
N
O... | instruction | 0 | 60,389 | 5 | 120,778 |
"Correct Solution:
```
n = int(input())
a = 0
for i in range(1,n):
for j in range(i,n,i):
a+=1
print(a)
``` | output | 1 | 60,389 | 5 | 120,779 |
Provide a correct Python 3 solution for this coding contest problem.
Given is a positive integer N. How many tuples (A,B,C) of positive integers satisfy A \times B + C = N?
Constraints
* 2 \leq N \leq 10^6
* All values in input are integers.
Input
Input is given from Standard Input in the following format:
N
O... | instruction | 0 | 60,390 | 5 | 120,780 |
"Correct Solution:
```
n=int(input())
s=0
for c in range(1,n):
s+=(n-1)//c
print(s)
``` | output | 1 | 60,390 | 5 | 120,781 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given is a positive integer N. How many tuples (A,B,C) of positive integers satisfy A \times B + C = N?
Constraints
* 2 \leq N \leq 10^6
* All values in input are integers.
Input
Input is gi... | instruction | 0 | 60,391 | 5 | 120,782 |
Yes | output | 1 | 60,391 | 5 | 120,783 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given is a positive integer N. How many tuples (A,B,C) of positive integers satisfy A \times B + C = N?
Constraints
* 2 \leq N \leq 10^6
* All values in input are integers.
Input
Input is gi... | instruction | 0 | 60,392 | 5 | 120,784 |
Yes | output | 1 | 60,392 | 5 | 120,785 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given is a positive integer N. How many tuples (A,B,C) of positive integers satisfy A \times B + C = N?
Constraints
* 2 \leq N \leq 10^6
* All values in input are integers.
Input
Input is gi... | instruction | 0 | 60,393 | 5 | 120,786 |
Yes | output | 1 | 60,393 | 5 | 120,787 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given is a positive integer N. How many tuples (A,B,C) of positive integers satisfy A \times B + C = N?
Constraints
* 2 \leq N \leq 10^6
* All values in input are integers.
Input
Input is gi... | instruction | 0 | 60,394 | 5 | 120,788 |
Yes | output | 1 | 60,394 | 5 | 120,789 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given is a positive integer N. How many tuples (A,B,C) of positive integers satisfy A \times B + C = N?
Constraints
* 2 \leq N \leq 10^6
* All values in input are integers.
Input
Input is gi... | instruction | 0 | 60,396 | 5 | 120,792 |
No | output | 1 | 60,396 | 5 | 120,793 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given is a positive integer N. How many tuples (A,B,C) of positive integers satisfy A \times B + C = N?
Constraints
* 2 \leq N \leq 10^6
* All values in input are integers.
Input
Input is gi... | instruction | 0 | 60,397 | 5 | 120,794 |
No | output | 1 | 60,397 | 5 | 120,795 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Given is a positive integer N. How many tuples (A,B,C) of positive integers satisfy A \times B + C = N?
Constraints
* 2 \leq N \leq 10^6
* All values in input are integers.
Input
Input is gi... | instruction | 0 | 60,398 | 5 | 120,796 |
No | output | 1 | 60,398 | 5 | 120,797 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a positive integer N. Find the number of the pairs of integers u and v (0≦u,v≦N) such that there exist two non-negative integers a and b satisfying a xor b=u and a+b=v. Here, xor d... | instruction | 0 | 60,536 | 5 | 121,072 |
Yes | output | 1 | 60,536 | 5 | 121,073 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a positive integer N. Find the number of the pairs of integers u and v (0≦u,v≦N) such that there exist two non-negative integers a and b satisfying a xor b=u and a+b=v. Here, xor d... | instruction | 0 | 60,538 | 5 | 121,076 |
Yes | output | 1 | 60,538 | 5 | 121,077 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a positive integer N. Find the number of the pairs of integers u and v (0≦u,v≦N) such that there exist two non-negative integers a and b satisfying a xor b=u and a+b=v. Here, xor d... | instruction | 0 | 60,539 | 5 | 121,078 |
No | output | 1 | 60,539 | 5 | 121,079 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a positive integer N. Find the number of the pairs of integers u and v (0≦u,v≦N) such that there exist two non-negative integers a and b satisfying a xor b=u and a+b=v. Here, xor d... | instruction | 0 | 60,540 | 5 | 121,080 |
No | output | 1 | 60,540 | 5 | 121,081 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.