再用n2的时间(两重循环)枚举d-c,并将b-c的值作为键,在Hash数组中查找是否存在。如果能找到crucial相同的node点,则找到了一组满足 d-c = a+b的值。(注意检查a b c d 四个数不重复) We won't hook up with the server for this app or Internet site at this time. There could possibly be excessive site visitors or even a configuration mistake. Consider once more afterwards, or Get hold of the app o... https://pearlaquatics.my/how-to-build-a-fish-pond-or-a-garden-pond-at-home/