Submission #2010295

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Source Code Expand

import math

a = [0] * (2400 + 2)
for _ in range(int(input())):
    s, e = map(int, input().split('-'))
    s = math.floor(s / 5) * 5
    e = math.ceil(e / 5) * 5
    if 60 == (e % 100):
        e += (100 - (e % 100))
    a[s] += 1
    a[e+1] -= 1

s = 0
for i in range(1, len(a)):
    a[i] += a[i-1]
    if a[i-1] == 0 and 0 < a[i]:
        s = i
    if 0 < a[i-1] and a[i] == 0:
        print('{:04}-{:04}'.format(s, i-1))

Submission Info

Judge Result