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vital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) Inside the occasion of the dispute as to the identity of an entrant, the approved account holder of the email deal with accustomed to enter will probably be deemed being the entrant. The “authorized account holder” ... https://pearlaquatics.my/how-to-build-a-fish-pond-at-a-commercial-property/