문제: https://www.acmicpc.net/problem/2679 문제A city is made up exclusively of one-way streets. Each street in the city has a capacity, the maximum number of cars it can carry per hour. Any route (path) also has a capacity, which is the minimum of the capacities of the streets along that route.The redundancy ratio from point A to point B is the ratio of the maximum number of cars that can get from ..