来呀来呀

摘要： import time graph = {} # 开始节点 graph["start"] = {} graph["start"]["a"] = 6 graph["start"]["b"] = 2 # a节点 graph["a"] = {} graph["a"]["fin"] = 1 # b节点到下一节点的距离 graph["b"] = {} graph["b"]["a"] = 阅读全文