#include <string> #include <algorithm> #include <math.h> #include <vector> using namespace std; const int maxn = 10000; int n, m, dfn[maxn], dep[maxn], tim; int ol[maxn]; int st[maxn][maxn],lg2[maxn]; vector<int> edge[maxn]; void dfs(int cur, int fa) { ol[++tim...
深度优先遍历的代码: 1#include <cstdio>2#include <cstring>3#include <algorithm>4usingnamespacestd;56constintN = 1e5 +10;78inthead[N], e[N], ne[N], idx;9boolvis[N];1011voidadd(intv,intw) {12e[idx] = w, ne[idx] = head[v], head[v] = idx++;13}1415voiddfs(intsrc) {16...
1.寻找最短路径BFS可以用于寻找两个节点之间的最短路径。它首先探索起点的所有相邻节点，然后逐层向外扩...
NodenodeC=newNode("C"); NodenodeD=newNode("D"); NodenodeE=newNode("E"); NodenodeF=newNode("F"); NodenodeG=newNode("G"); NodenodeH=newNode("H"); nodeA.getSet().add(nodeB); nodeA.getSet().add(nodeC); nodeB.getSet().add(nodeD); nodeB.getSet().add(nodeE); node...
*/#include<iostream>#include<cstdio>#include<cstdlib>#include<algorithm>#include<cmath>#include<string>#include<stack>#include<queue>#include<cstring>#include#include<iterator>#include<list>#include<set>#include<functional>#include<memory.h>//低版本G++编译器不支持,若使用这种G++编译器此段应注释掉...
#include<iostream>#include<string.h>#include<string>#include<algorithm>#include<math.h>#include<vector>using namespace std;constint maxn=123456;int n,m,dfn[maxn],low[maxn],vis[maxn],ans,tim;bool cut[maxn];vector<int>edge[maxn];voidcut_bri(int cur,int pop){vis[cur]=1;// 1表示...
In this tutorial, you will learn about Depth First Search in C with the algorithm and program examples. Most graph problems involve the traversal of a graph. Traversal of a graph means visiting each node and visiting exactly once. There are two types of
#include <algorithm> #include <cstdio> #include <cstring> using namespace std; const int maxn = 1000;//规定一个最大顶点数 const int INF = 199999999; int n, m, s; int mp[maxn][maxn]; int dis[maxn]; bool vis[maxn] = { false }; ...
(int x,int y)//check函数:判断相撞{int sum=0;if(a[x][y]=='#')sum++;if(a[x+1][y]=='#')sum++;if(a[x][y+1]=='#')sum++;if(a[x+1][y+1]=='#')sum++;if(sum==3)//这里很巧妙return0;return1;}intmain(){int i,j;scanf("%d%d",&r,&c);for(i=0;i<r;i++)...
#include<iostream>#include<algorithm>#include<cstring>#include<cstdio>#include<queue>using namespace std;#define x first#define y secondtypedef pair<int,int> PII;const int N=210;int n,m;int dist[N][N];char g[N][N];int bfs(PII start,PII end){queue<PII> q;memset(dist,-1,sizeof...