Submission #5398770

---

Source Code Expand

n = int(input())
times = [0] * 3602
for i in range(n):
    a, b = [int(item[:2]) * 60 + int(item[2:]) for item in input().split("-")]
    a -= a%5
    while b%5 != 0:
        b+=1
    times[a] += 1
    times[b+1] -= 1 
for i in range(3600):
    times[i+1] += times[i]

prev = 0
for i, item in enumerate(times[:3601]):
    if prev == 0 and item != 0:
        if i//60 < 10:
            print(0, end="")
        print(i//60, end="")
        if i%60 < 10:
            print(0, end="")
        print(i%60, end="-")
    if prev != 0 and item == 0:
        if (i-1)//60 < 10:
            print(0, end="")
        print((i-1)//60, end="")
        if (i-1)%60 < 10:
            print(0, end="")
        print((i-1)%60)
    prev = item

Submission Info

Judge Result