in); n = scanner.nextInt(); for (int i = 0; i < n; i++) { arr[i] = i+1; } dfs(0); } public static void dfs(int x){ // 首先判断是否可以输出 if (x == n){ for (int i=0;i < n;i++){ System.out.print(res[i]+ " "); } System.out.println(); } // ...
bfs/dfs(邻接矩阵) #include <iostream>#include<string.h>#include<stdio.h>usingnamespacestd;#defineV 3000#defineE 10000intmap[V][V];intvis[V];intn,m,st,end;intqueue[V];voiddfs(intu) { vis[u]=1;for(inti=1;i<=n;i++) {if(vis[i]==0&& map[u][i]==1) { dfs(i);//vis...
voiddfs(MGraph G,intv) { inti; printf("%d ",v);//访问结点v vis[v] =true; for(inti = 0;i<G.n;i++)//访问与v相邻且未被访问过的结点 { if(G.edges[v][i]!=0&&vis[i]==false) { dfs(G,i); } } } voiddfs1(MGraph G,intv)//非递归实现(用到了栈,其实在递归的实现过程,...
1. 定义 深度优先搜索 (DFS)算法从树的根部(或图的某个任意节点)开始,并在回溯之前沿着每个分支尽可能地探索。二叉树常见的DFS方法有前序遍历、中序遍历、后序遍历,本质上都属于深度优先搜索。 前序遍历:根结…
有向图的深度优先搜索(DFS)和广度优先搜索(BFS)是两种常用的图遍历算法。 1. 深度优先搜索(DFS):从图中某一顶点开始,沿着一条边走到底,然后回溯到上一个顶点继续探索其他顶点。这个过程一直持续到所有顶点都被访问过为止。在有向图中,我们通常使用栈来实现DFS。 2. 广度优先搜索(BFS):与深度优先搜索类似,但是...
}intnum = digits[x] -'0';for(inti=0; i<phone[num].size(); i++){//数字num有多少种拓展情况dfs(x+1, l, str+phone[num][i], digits, phone); } } vector<string> letterCombinations(string&digits) {//write your code herevector<string> phone = {"","","abc","def","ghi","jk...
二分图匹配模板(dfs+bfs) dfs版: [cpp]view plaincopyprint? bool dfs(int u) { for(int i = head[u]; ~i; i = e[i].next) { int v = e[i].v; if(!vis[v]) { vis[v] = true; if(my[v] == -1 || dfs(my[v])) {...
Code: [cpp]viewplaincopy 1.#include<iostream> 2.#include<queue> 3.usingnamespacestd; 4. 5.#defineMAXN200 6.#defineINF1000000 7. 8.structpoint 9.{ 10.intx,y;//记录点的坐标 11.intstep;//记录到达当前点所用步数 12.inttime;//记录到达当前点所用时间 ...
Code Issues Pull requests A general-purpose lightweight C++ graph library algorithm algorithms cpp graph header-only dfs search-algorithm bfs cpp-library dfs-algorithm bfs-algorithm cpp20 shortest-path-algorithm graph-algorigthms header-only-library Updated Feb 5, 2025 C++ n3...
POJ 1979 dfs和bfs两种解法 fengyun@fengyun-server:~/learn/acm/poj$ cat 1979.cpp #include<cstdio> #include<iostream> #include<string> #include<algorithm> #include<iterator> #include<sstream>//istringstream #include<cstring> #include<queue>