A∗ Search
• The A∗ search is probably the most used type of heuristic search • It combines the cost to reach a node (g(n)) with the cost to get from the node to the goal (h(n)) f (n) g(n) 初始状态到节点 n 的实际成本 h(n)节点 n 到目标状态的估计成本 •…
题目: 题解:
class Solution {
public:bool isSubsequence(string s, string t) {int n s.size(), m t.size();vector<vector<int> > f(m 1, vector<int>(26, 0));for (int i 0; i < 26; i) {f[m][i] m;}for (int i m - 1; …