Submission #6436070

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Source Code Expand

N = int(input())
lst = []
for _ in range(N):
    S, E = map(int, input().split('-'))
    S -= S%5
    E = ((E+4)//(5)) * 5
    if E%100 >= 60:
        E = E + 100 - 60
    lst += [[S, E]]

lst.sort()
for i in range(N):
    if i == 0:
        tmp_S = lst[0][0]
        tmp_E = lst[0][1]
    else:
        if tmp_E < lst[i][0]: #雨がつながってないとき
            n = len(str(tmp_S))
            tmp_S = '0' * (4 - n) + str(tmp_S)
            n = len(str(tmp_E))
            tmp_E = '0' * (4 - n) + str(tmp_E)
            print (tmp_S + '-' + tmp_E)
            tmp_S = lst[i][0]
            tmp_E = lst[i][1]
        else: #雨がつながっている時
            tmp_E = max(lst[i][1], tmp_E)
    if i == N-1:
        n = len(str(tmp_S))
        tmp_S = '0' * (4 - n) + str(tmp_S)
        n = len(str(tmp_E))
        tmp_E = '0' * (4 - n) + str(tmp_E)
        print (tmp_S + '-' + tmp_E)



                

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