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critical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) Are living plants are more than just decorative things in a freshwater aquarium. They contribute to oxygenation, support manage h2o quality, and provide organic habitats for fish. 三個月 返 回 ● चैनल के खास फ़ायद... https://pearlaquatics.my/giant-flowerhorn-fish/