Submission #3787454

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Source Code Expand

N = int(input())
T = [[] for i in range(N)]
for i in range(N):
  s, t = map(int, input().split('-'))
  s = s // 100 * 100 + s % 100 // 5 * 5
  t = t // 100 * 100 + (t % 100 + 4) // 5 * 5
  t += 40 if t % 100 >= 60 else 0
  T[i] = [s, t]
T.sort()
L = []
s, t = T[0]
for i in range(1, N):
  if T[i][0] <= t:
    t = max(T[i][1], t)
  else:
    L.append([s, t])
    s, t = T[i]
L.append([s, t])
for l in L:
  print('{0[0]:04}-{0[1]:04}'.format(l))

Submission Info

Judge Result