2025-08-21 13:26:55 +0000 UTC

class Solution:
    def distanceTraveled(self, mainTank: int, additionalTank: int) -> int:
        res = 0
        while mainTank > 4:
            count = mainTank // 5
            res += count * 5
            mainTank %= 5
            add_count = min(count, additionalTank)
            additionalTank -= add_count
            mainTank += add_count
        res += mainTank
        return res * 10