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Given an array of integers, return indices of the two numbers such that ...
有 N 件物品和一個容量為 V 的背包。第 i 件物品的費用是 c[i]，價值是 w[i]。求解將哪些物品裝入背包可使價值總和最大 f[i][v...
要求要求恰裝滿背包在初始化時除了 f[0]為 0 其它 f[1..V]均設為-∞，這樣就可以保證最終得到的f[N]是一種恰好裝滿背包的最優(yōu)解。可...
有 N 種物品和一個容量為 V 的背包，每種物品都有無限件可用。第 i 種物品的費用是 c[i]，價值是 w[i]。求解將哪些物品裝入背包可使這...
There is a fence with n posts, each post can be painted with one of the ...
Given a positive integer n, find the least number of perfect square numb...
Given an unsorted array of integers, find the length of longest increasi...
Given an integer array nums, find the sum of the elements between indice...
Given a 2D matrix matrix, find the sum of the elements inside the rectan...