Submission #3600664

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Source Code Expand

n, k = map(int,input().split())
x = list(map(int,input().split()))
time = 10**8
for i in range(len(x) - k + 1):
    x_k = x[i:i+k]
    #print(x_k)
    if x_k[0] >= 0:
        time = min(x_k[-1], time)
            
    elif x_k[-1] <= 0:
        time = min(-x_k[0], time)

    elif -x_k[0] <= x_k[-1]:
        t = -x_k[0] * 2 + x_k[-1]
        time = min(t, time)
    else:
        t = -x_k[0] + x_k[-1] *2
        time = min(t, time)

print(time)

Submission Info

Judge Result