Submission #5948033

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Source Code Expand

n = int(raw_input())
storage = []



def process_s(s):
    last_digit = int(s[-1])
    left_digit = int(s[0: 3]) * 10
    if last_digit >= 5:
        left_digit += 5
    return "%04d" % left_digit

def process_e(e):
    if e[-1] == "5" or e[-1] == '0':
        return e
    if int(e[-1]) < 5:
        return e[0:3] + "5"
    if e[-2] == '5':
        if int(e[0:2]) >= 23:
            return "2400"
        return "%02d" % (int(e[0:2]) + 1) + '00'
    else:
        return e[0:2] + str(int(e[2]) + 1) + '0'

for _ in range(n):
    s, e = raw_input().split("-")
    storage.append((process_s(s), process_e(e)))

storage.sort()

ls, le = storage[0]
storage2 = []
for i in range(1, len(storage)):
    s, e = storage[i]
    if int(s) > int(le):
        storage2.append((ls, le))
        ls = s
        le = e if int(e) > int(le) else le
    else:
        le = e if int(e) > int(le) else le


if len(storage2) == 0 or storage2[-1][1] != le:
    storage2.append((ls, le))
for s,e in storage2:
    print s + "-" + e



    

Submission Info

Judge Result