message stringlengths 2 16.2k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 575 109k | cluster float64 16 16 | __index_level_0__ int64 1.15k 217k |
|---|---|---|---|---|---|
Provide a correct Python 3 solution for this coding contest problem.
Snuke has an integer sequence, a, of length N. The i-th element of a (1-indexed) is a_{i}.
He can perform the following operation any number of times:
* Operation: Choose integers x and y between 1 and N (inclusive), and add a_x to a_y.
He would... | instruction | 0 | 105,984 | 16 | 211,968 |
"Correct Solution:
```
N,*A=map(int,open(0).read().split())
M = max(A); m = min(A)
ans = []
if -m < M:
idx = A.index(M)
for i in range(N):
A[i] += A[idx]
ans.append((idx, i))
for i in range(1, N):
A[i] += A[i-1]
ans.append((i-1, i))
else:
idx = A.index(m)
for i in ran... | output | 1 | 105,984 | 16 | 211,969 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke has an integer sequence, a, of length N. The i-th element of a (1-indexed) is a_{i}.
He can perform the following operation any number of times:
* Operation: Choose integers x and y between 1 and N (inclusive), and add a_x to a_y.
He would... | instruction | 0 | 105,985 | 16 | 211,970 |
"Correct Solution:
```
n = int(input())
a = list(map(int,input().split()))
maxabs =(a[0])
maxidx = 0
for i in range(n):
if abs(a[i]) >abs(maxabs):
maxabs = a[i]
maxidx = i
res = []
for i in range(n):
if a[i]*maxabs<0:
a[i] += maxabs
res.append((maxidx+1,i+1))
if maxabs>0:
... | output | 1 | 105,985 | 16 | 211,971 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke has an integer sequence, a, of length N. The i-th element of a (1-indexed) is a_{i}.
He can perform the following operation any number of times:
* Operation: Choose integers x and y betw... | instruction | 0 | 105,986 | 16 | 211,972 |
Yes | output | 1 | 105,986 | 16 | 211,973 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke has an integer sequence, a, of length N. The i-th element of a (1-indexed) is a_{i}.
He can perform the following operation any number of times:
* Operation: Choose integers x and y betw... | instruction | 0 | 105,987 | 16 | 211,974 |
Yes | output | 1 | 105,987 | 16 | 211,975 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke has an integer sequence, a, of length N. The i-th element of a (1-indexed) is a_{i}.
He can perform the following operation any number of times:
* Operation: Choose integers x and y betw... | instruction | 0 | 105,988 | 16 | 211,976 |
Yes | output | 1 | 105,988 | 16 | 211,977 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke has an integer sequence, a, of length N. The i-th element of a (1-indexed) is a_{i}.
He can perform the following operation any number of times:
* Operation: Choose integers x and y betw... | instruction | 0 | 105,989 | 16 | 211,978 |
Yes | output | 1 | 105,989 | 16 | 211,979 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke has an integer sequence, a, of length N. The i-th element of a (1-indexed) is a_{i}.
He can perform the following operation any number of times:
* Operation: Choose integers x and y betw... | instruction | 0 | 105,990 | 16 | 211,980 |
No | output | 1 | 105,990 | 16 | 211,981 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke has an integer sequence, a, of length N. The i-th element of a (1-indexed) is a_{i}.
He can perform the following operation any number of times:
* Operation: Choose integers x and y betw... | instruction | 0 | 105,991 | 16 | 211,982 |
No | output | 1 | 105,991 | 16 | 211,983 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke has an integer sequence, a, of length N. The i-th element of a (1-indexed) is a_{i}.
He can perform the following operation any number of times:
* Operation: Choose integers x and y betw... | instruction | 0 | 105,992 | 16 | 211,984 |
No | output | 1 | 105,992 | 16 | 211,985 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke has an integer sequence, a, of length N. The i-th element of a (1-indexed) is a_{i}.
He can perform the following operation any number of times:
* Operation: Choose integers x and y betw... | instruction | 0 | 105,993 | 16 | 211,986 |
No | output | 1 | 105,993 | 16 | 211,987 |
Provide a correct Python 3 solution for this coding contest problem.
There are K blue balls and N-K red balls. The balls of the same color cannot be distinguished. Snuke and Takahashi are playing with these balls.
First, Snuke will arrange the N balls in a row from left to right.
Then, Takahashi will collect only th... | instruction | 0 | 106,817 | 16 | 213,634 |
"Correct Solution:
```
n,k = map(int, input().split())
mod = 10**9+7
dp = [[1] + [0 for i in range(k)] for j in range(n+1)]
for i in range(1,n+1):
for j in range(1,k+1):
dp[i][j] = dp[i-1][j] + dp[i-1][j-1]
for i in range(k):
print(dp[n-k+1][i+1]*dp[k-1][i]%mod)
``` | output | 1 | 106,817 | 16 | 213,635 |
Provide a correct Python 3 solution for this coding contest problem.
There are K blue balls and N-K red balls. The balls of the same color cannot be distinguished. Snuke and Takahashi are playing with these balls.
First, Snuke will arrange the N balls in a row from left to right.
Then, Takahashi will collect only th... | instruction | 0 | 106,818 | 16 | 213,636 |
"Correct Solution:
```
from math import factorial as f
N, K = map(int,input().split())
WARU = 10**9+7
def nCr(n, r):
return f(n)//(f(r)*f(n-r))
for i in range(K):
if i <= N-K:
print((nCr(K-1, i) * nCr(N-K+1, i+1)) % WARU)
else:
print(0)
``` | output | 1 | 106,818 | 16 | 213,637 |
Provide a correct Python 3 solution for this coding contest problem.
There are K blue balls and N-K red balls. The balls of the same color cannot be distinguished. Snuke and Takahashi are playing with these balls.
First, Snuke will arrange the N balls in a row from left to right.
Then, Takahashi will collect only th... | instruction | 0 | 106,819 | 16 | 213,638 |
"Correct Solution:
```
n,k=map(int,input().split())
mod=10**9+7
fac=[1]*n
for i in range(n-1):
fac[i+1]=((i+2)*fac[i])
def comb(a,b):
if a==0:
return 1
if b==0 or b==a:
return 1
return (fac[a-1]//(fac[a-b-1]*fac[b-1]))%mod
for i in range(k):
print((comb(n-k+1,i+1)*comb(k-1,i))%mod)
``` | output | 1 | 106,819 | 16 | 213,639 |
Provide a correct Python 3 solution for this coding contest problem.
There are K blue balls and N-K red balls. The balls of the same color cannot be distinguished. Snuke and Takahashi are playing with these balls.
First, Snuke will arrange the N balls in a row from left to right.
Then, Takahashi will collect only th... | instruction | 0 | 106,820 | 16 | 213,640 |
"Correct Solution:
```
from math import factorial
N, K = map(int, input().split())
mod = 10**9 + 7
def cmb(n, r):
if n >= r:
return int(factorial(n) // (factorial(r) * factorial(n-r)))
else:
return 0
for i in range(1, K+1):
print(cmb(N-K+1, i) * cmb(K-1, i-1) % mod)
``` | output | 1 | 106,820 | 16 | 213,641 |
Provide a correct Python 3 solution for this coding contest problem.
There are K blue balls and N-K red balls. The balls of the same color cannot be distinguished. Snuke and Takahashi are playing with these balls.
First, Snuke will arrange the N balls in a row from left to right.
Then, Takahashi will collect only th... | instruction | 0 | 106,821 | 16 | 213,642 |
"Correct Solution:
```
def ncr(n,r,mod):
X = 1
Y = 1
for i in range(r):
X = (X*(n-i))%mod
Y = (Y*(i+1))%mod
return (X*pow(Y,mod-2,mod))%mod
N,K = map(int,input().split())
mod = pow(10,9)+7
for i in range(1,K+1):
ans = (ncr(K-1,i-1,mod)*ncr(N-K+1,i,mod))%mod
print(ans)
``` | output | 1 | 106,821 | 16 | 213,643 |
Provide a correct Python 3 solution for this coding contest problem.
There are K blue balls and N-K red balls. The balls of the same color cannot be distinguished. Snuke and Takahashi are playing with these balls.
First, Snuke will arrange the N balls in a row from left to right.
Then, Takahashi will collect only th... | instruction | 0 | 106,822 | 16 | 213,644 |
"Correct Solution:
```
import math
N,K=map(int,input().split())
def c(n,r):
return math.factorial(n)//(math.factorial(abs(n-r))*math.factorial(r))
for i in range(K):
if N-K<i:
print(0)
else:
red = c(N-K+1,i+1)
blue=c(K-1,i)
ans=(red*blue)%(10**9+7)
print(ans)
``` | output | 1 | 106,822 | 16 | 213,645 |
Provide a correct Python 3 solution for this coding contest problem.
There are K blue balls and N-K red balls. The balls of the same color cannot be distinguished. Snuke and Takahashi are playing with these balls.
First, Snuke will arrange the N balls in a row from left to right.
Then, Takahashi will collect only th... | instruction | 0 | 106,823 | 16 | 213,646 |
"Correct Solution:
```
M=10**9+7;N,K=map(int,input().split())
def c(n,k):
if k>n:return 0
m=d=1
for i in range(k):m*=n-i;d*=i+1
return m%M*pow(d%M,M-2,M)%M
for i in range(K):print(c(K-1,i)*c(N-K+1,i+1)%M)
``` | output | 1 | 106,823 | 16 | 213,647 |
Provide a correct Python 3 solution for this coding contest problem.
There are K blue balls and N-K red balls. The balls of the same color cannot be distinguished. Snuke and Takahashi are playing with these balls.
First, Snuke will arrange the N balls in a row from left to right.
Then, Takahashi will collect only th... | instruction | 0 | 106,824 | 16 | 213,648 |
"Correct Solution:
```
#!/usr/bin/env python3
from math import factorial as f
n, k = map(int, input().split())
mod = 10**9+7
for i in range(k):
try:
print(f(n - k + 1) * f(k - 1) // f(i + 1) // f(n - k - i) // f(i) // f(k - i - 1) % mod)
except ValueError:
print(0)
``` | output | 1 | 106,824 | 16 | 213,649 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are K blue balls and N-K red balls. The balls of the same color cannot be distinguished. Snuke and Takahashi are playing with these balls.
First, Snuke will arrange the N balls in a row f... | instruction | 0 | 106,825 | 16 | 213,650 |
Yes | output | 1 | 106,825 | 16 | 213,651 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are K blue balls and N-K red balls. The balls of the same color cannot be distinguished. Snuke and Takahashi are playing with these balls.
First, Snuke will arrange the N balls in a row f... | instruction | 0 | 106,826 | 16 | 213,652 |
Yes | output | 1 | 106,826 | 16 | 213,653 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are K blue balls and N-K red balls. The balls of the same color cannot be distinguished. Snuke and Takahashi are playing with these balls.
First, Snuke will arrange the N balls in a row f... | instruction | 0 | 106,827 | 16 | 213,654 |
Yes | output | 1 | 106,827 | 16 | 213,655 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are K blue balls and N-K red balls. The balls of the same color cannot be distinguished. Snuke and Takahashi are playing with these balls.
First, Snuke will arrange the N balls in a row f... | instruction | 0 | 106,828 | 16 | 213,656 |
Yes | output | 1 | 106,828 | 16 | 213,657 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are K blue balls and N-K red balls. The balls of the same color cannot be distinguished. Snuke and Takahashi are playing with these balls.
First, Snuke will arrange the N balls in a row f... | instruction | 0 | 106,829 | 16 | 213,658 |
No | output | 1 | 106,829 | 16 | 213,659 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are K blue balls and N-K red balls. The balls of the same color cannot be distinguished. Snuke and Takahashi are playing with these balls.
First, Snuke will arrange the N balls in a row f... | instruction | 0 | 106,830 | 16 | 213,660 |
No | output | 1 | 106,830 | 16 | 213,661 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are K blue balls and N-K red balls. The balls of the same color cannot be distinguished. Snuke and Takahashi are playing with these balls.
First, Snuke will arrange the N balls in a row f... | instruction | 0 | 106,831 | 16 | 213,662 |
No | output | 1 | 106,831 | 16 | 213,663 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are K blue balls and N-K red balls. The balls of the same color cannot be distinguished. Snuke and Takahashi are playing with these balls.
First, Snuke will arrange the N balls in a row f... | instruction | 0 | 106,832 | 16 | 213,664 |
No | output | 1 | 106,832 | 16 | 213,665 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke has one biscuit and zero Japanese yen (the currency) in his pocket. He will perform the following operations exactly K times in total, in the order he likes:
* Hit his pocket, which magically increases the number of biscuits by one.
* Exchange... | instruction | 0 | 106,833 | 16 | 213,666 |
"Correct Solution:
```
N,A,B = list(map(int,input().split()))
another=1+1*N
ans =A
N -= A-1
ans += N//2 * (B-A)
ans += N%2
print(max(ans,another))
``` | output | 1 | 106,833 | 16 | 213,667 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke has one biscuit and zero Japanese yen (the currency) in his pocket. He will perform the following operations exactly K times in total, in the order he likes:
* Hit his pocket, which magically increases the number of biscuits by one.
* Exchange... | instruction | 0 | 106,834 | 16 | 213,668 |
"Correct Solution:
```
k, a, b = map(int, input().split())
if b-a < 3 or k < a+1:
print(k+1)
else:
print(a + (k-a+1)//2*(b-a) + (k-a+1)%2)
``` | output | 1 | 106,834 | 16 | 213,669 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke has one biscuit and zero Japanese yen (the currency) in his pocket. He will perform the following operations exactly K times in total, in the order he likes:
* Hit his pocket, which magically increases the number of biscuits by one.
* Exchange... | instruction | 0 | 106,835 | 16 | 213,670 |
"Correct Solution:
```
K, A, B = map(int, input().split())
K += 1
if B - A <= 2 or K < A + 2:
print(K)
else:
K -= A + 2
print(B + K // 2 * (B - A) + K % 2)
``` | output | 1 | 106,835 | 16 | 213,671 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke has one biscuit and zero Japanese yen (the currency) in his pocket. He will perform the following operations exactly K times in total, in the order he likes:
* Hit his pocket, which magically increases the number of biscuits by one.
* Exchange... | instruction | 0 | 106,836 | 16 | 213,672 |
"Correct Solution:
```
K,A,B = map(int, input().split())
S=K+1
diff=B-A
t=((K-A+1)//2)
T=diff*t
odd=((K-A+1)%2)
print(max(T+odd+A,S))
``` | output | 1 | 106,836 | 16 | 213,673 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke has one biscuit and zero Japanese yen (the currency) in his pocket. He will perform the following operations exactly K times in total, in the order he likes:
* Hit his pocket, which magically increases the number of biscuits by one.
* Exchange... | instruction | 0 | 106,837 | 16 | 213,674 |
"Correct Solution:
```
k,a,b = map(int,input().split())
if a+2 >= b or a >= k:
print(k+1)
else:
k -= a-1
print(a+ (b-a)*(k//2) + k%2)
``` | output | 1 | 106,837 | 16 | 213,675 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke has one biscuit and zero Japanese yen (the currency) in his pocket. He will perform the following operations exactly K times in total, in the order he likes:
* Hit his pocket, which magically increases the number of biscuits by one.
* Exchange... | instruction | 0 | 106,838 | 16 | 213,676 |
"Correct Solution:
```
k,a,b = map(int,input().split())
bis = 1
bis = a
k -= (a-1)
print(max((b-a) * (k//2)+ 1 * (k % 2) + bis,k + bis))
#copy code
``` | output | 1 | 106,838 | 16 | 213,677 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke has one biscuit and zero Japanese yen (the currency) in his pocket. He will perform the following operations exactly K times in total, in the order he likes:
* Hit his pocket, which magically increases the number of biscuits by one.
* Exchange... | instruction | 0 | 106,839 | 16 | 213,678 |
"Correct Solution:
```
k,a,b=map(int,input().split())
ans=1
yen=0
if b<=a+2 or k<=a:
ans+=k
else:
n=(k-a+1)//2
ans+=n*(b-a)+(k-2*n)
print(ans)
``` | output | 1 | 106,839 | 16 | 213,679 |
Provide a correct Python 3 solution for this coding contest problem.
Snuke has one biscuit and zero Japanese yen (the currency) in his pocket. He will perform the following operations exactly K times in total, in the order he likes:
* Hit his pocket, which magically increases the number of biscuits by one.
* Exchange... | instruction | 0 | 106,840 | 16 | 213,680 |
"Correct Solution:
```
k,a,b=map(int,input().split())
gain=b-a
if gain>=2:
k-=a-1
print(a+k//2*gain+k%2)
else:
print(k+1)
``` | output | 1 | 106,840 | 16 | 213,681 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke has one biscuit and zero Japanese yen (the currency) in his pocket. He will perform the following operations exactly K times in total, in the order he likes:
* Hit his pocket, which magic... | instruction | 0 | 106,841 | 16 | 213,682 |
Yes | output | 1 | 106,841 | 16 | 213,683 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke has one biscuit and zero Japanese yen (the currency) in his pocket. He will perform the following operations exactly K times in total, in the order he likes:
* Hit his pocket, which magic... | instruction | 0 | 106,842 | 16 | 213,684 |
Yes | output | 1 | 106,842 | 16 | 213,685 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke has one biscuit and zero Japanese yen (the currency) in his pocket. He will perform the following operations exactly K times in total, in the order he likes:
* Hit his pocket, which magic... | instruction | 0 | 106,843 | 16 | 213,686 |
Yes | output | 1 | 106,843 | 16 | 213,687 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke has one biscuit and zero Japanese yen (the currency) in his pocket. He will perform the following operations exactly K times in total, in the order he likes:
* Hit his pocket, which magic... | instruction | 0 | 106,844 | 16 | 213,688 |
Yes | output | 1 | 106,844 | 16 | 213,689 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke has one biscuit and zero Japanese yen (the currency) in his pocket. He will perform the following operations exactly K times in total, in the order he likes:
* Hit his pocket, which magic... | instruction | 0 | 106,845 | 16 | 213,690 |
No | output | 1 | 106,845 | 16 | 213,691 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke has one biscuit and zero Japanese yen (the currency) in his pocket. He will perform the following operations exactly K times in total, in the order he likes:
* Hit his pocket, which magic... | instruction | 0 | 106,846 | 16 | 213,692 |
No | output | 1 | 106,846 | 16 | 213,693 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke has one biscuit and zero Japanese yen (the currency) in his pocket. He will perform the following operations exactly K times in total, in the order he likes:
* Hit his pocket, which magic... | instruction | 0 | 106,847 | 16 | 213,694 |
No | output | 1 | 106,847 | 16 | 213,695 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Snuke has one biscuit and zero Japanese yen (the currency) in his pocket. He will perform the following operations exactly K times in total, in the order he likes:
* Hit his pocket, which magic... | instruction | 0 | 106,848 | 16 | 213,696 |
No | output | 1 | 106,848 | 16 | 213,697 |
Provide a correct Python 3 solution for this coding contest problem.
There are N candles placed on a number line. The i-th candle from the left is placed on coordinate x_i. Here, x_1 < x_2 < ... < x_N holds.
Initially, no candles are burning. Snuke decides to light K of the N candles.
Now, he is at coordinate 0. He ... | instruction | 0 | 106,849 | 16 | 213,698 |
"Correct Solution:
```
n,k=map(int,input().split())
x=list(map(int,input().split()))
ans=3*10**8
for i in range(n-k+1):
ans=min(ans,min(abs(x[i]),abs(x[k+i-1]))+x[k+i-1]-x[i])
print(ans)
``` | output | 1 | 106,849 | 16 | 213,699 |
Provide a correct Python 3 solution for this coding contest problem.
There are N candles placed on a number line. The i-th candle from the left is placed on coordinate x_i. Here, x_1 < x_2 < ... < x_N holds.
Initially, no candles are burning. Snuke decides to light K of the N candles.
Now, he is at coordinate 0. He ... | instruction | 0 | 106,850 | 16 | 213,700 |
"Correct Solution:
```
n, k = map(int, input().split())
x = list(map(int, input().split()))
ans = float("inf")
for i in range(n-k+1):
res = x[i+k-1] - x[i] + min(abs(x[i+k-1]), abs(x[i]))
ans = min(ans, res)
print(ans)
``` | output | 1 | 106,850 | 16 | 213,701 |
Provide a correct Python 3 solution for this coding contest problem.
There are N candles placed on a number line. The i-th candle from the left is placed on coordinate x_i. Here, x_1 < x_2 < ... < x_N holds.
Initially, no candles are burning. Snuke decides to light K of the N candles.
Now, he is at coordinate 0. He ... | instruction | 0 | 106,851 | 16 | 213,702 |
"Correct Solution:
```
N,K=map(int,input().split())
x=[int(i) for i in input().split()]
cost=10**13
for i in range(N-K+1):
c=x[i+K-1]-x[i]+min(abs(x[i]),abs(x[i+K-1]))
cost=min(cost,c)
print(cost)
``` | output | 1 | 106,851 | 16 | 213,703 |
Provide a correct Python 3 solution for this coding contest problem.
There are N candles placed on a number line. The i-th candle from the left is placed on coordinate x_i. Here, x_1 < x_2 < ... < x_N holds.
Initially, no candles are burning. Snuke decides to light K of the N candles.
Now, he is at coordinate 0. He ... | instruction | 0 | 106,852 | 16 | 213,704 |
"Correct Solution:
```
N, K = map(int, input().split())
x = list(map(int, input().split()))
ans = []
for i in range(N-K+1):
l = x[i]
r = x[i+K-1]
ans.append(min(abs(l)+abs(l-r), abs(r)+abs(l-r)))
print(min(ans))
``` | output | 1 | 106,852 | 16 | 213,705 |
Provide a correct Python 3 solution for this coding contest problem.
There are N candles placed on a number line. The i-th candle from the left is placed on coordinate x_i. Here, x_1 < x_2 < ... < x_N holds.
Initially, no candles are burning. Snuke decides to light K of the N candles.
Now, he is at coordinate 0. He ... | instruction | 0 | 106,853 | 16 | 213,706 |
"Correct Solution:
```
f = lambda:map(int,input().split())
n,k = f()
x = list(f())
d = 10**9
for i in range(n-k+1):
l,r = x[i],x[i+k-1]
d = [min(d,max(-l,r)),min(d,(r-l)+min(-l,r))][l<0<r]
print(d)
``` | output | 1 | 106,853 | 16 | 213,707 |
Provide a correct Python 3 solution for this coding contest problem.
There are N candles placed on a number line. The i-th candle from the left is placed on coordinate x_i. Here, x_1 < x_2 < ... < x_N holds.
Initially, no candles are burning. Snuke decides to light K of the N candles.
Now, he is at coordinate 0. He ... | instruction | 0 | 106,854 | 16 | 213,708 |
"Correct Solution:
```
N, K = map(int, input().split())
x = list(map(int, input().split()))
m = float("INF")
for i in range(N - K + 1):
m = min(m, x[i + K - 1] - x[i] + min(abs(x[i + K - 1]), abs(x[i])))
print(m)
``` | output | 1 | 106,854 | 16 | 213,709 |
Provide a correct Python 3 solution for this coding contest problem.
There are N candles placed on a number line. The i-th candle from the left is placed on coordinate x_i. Here, x_1 < x_2 < ... < x_N holds.
Initially, no candles are burning. Snuke decides to light K of the N candles.
Now, he is at coordinate 0. He ... | instruction | 0 | 106,855 | 16 | 213,710 |
"Correct Solution:
```
n, k = map(int, input().split())
X = list(map(int, input().split()))
ans = 10**9
for i in range(n-k+1):
l = X[i]
r = X[i+k-1]
tmp = min(abs(l)+abs(l-r), abs(r)+abs(l-r))
ans = min(tmp, ans)
print(ans)
``` | output | 1 | 106,855 | 16 | 213,711 |
Provide a correct Python 3 solution for this coding contest problem.
There are N candles placed on a number line. The i-th candle from the left is placed on coordinate x_i. Here, x_1 < x_2 < ... < x_N holds.
Initially, no candles are burning. Snuke decides to light K of the N candles.
Now, he is at coordinate 0. He ... | instruction | 0 | 106,856 | 16 | 213,712 |
"Correct Solution:
```
N, K = map(int, input().split())
x = list(map(int, input().split()))
Min = 1e10
for i in range(N-K+1):
Min = min(Min, x[K+i-1]-x[i]+min(abs(x[i]),abs(x[K+i-1])))
print(Min)
``` | output | 1 | 106,856 | 16 | 213,713 |
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