今天学习背包DP(Knapsack DP)
是USACO Guide的DP章节中第三点 What is grid DP? -Summary
DP problems often involve a 2D grid where paths are analyzed. Movement is restricted to one direction on the x-axis and y-axis, typically starting from one c…
题目: 题解:
int numberOfArithmeticSlices(int* nums, int numsSize) {if (numsSize 1) {return 0;}int d nums[0] - nums[1], t 0;int ans 0;// 因为等差数列的长度至少为 3,所以可以从 i2 开始枚举for (int i 2; i < numsSize; i…