2025-08-17 17:02:56 +0000 UTC

class Solution:
    def convertTime(self, current: str, correct: str) -> int:
        current_time = 60 * int(current[0:2]) + int(current[3:5])
        target_time = 60 * int(correct[0:2]) + int(correct[3:5])
        diff = target_time - current_time
        count = 0
        for i in (60, 15, 5, 1):
            count += diff // i
            diff %= i
        return count