0200 Traveling Alone: One-way Ticket of Youth until (given = gets.split.map(&:to_i)) == [0, 0] n, m = given edge = Array.new(m) {[]} h = Array.new(m) {[]} n.times do a, b, cost, time = gets.split.map(&:to_i) a -= 1 b -= 1 edge[a][b] = edge…