diff --git a/README.md b/README.md
index 65ad44f..d9eaa22 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,105 @@
 # y
 
+#define max 100
+#define maxint 0
+typedef struct arc{
+	int adj;
+	struct arc * next;
+	int info;
+}arc;
+
+typedef struct vnode{
+	int data;
+	arc *first;
+}vnode,adj[max];
+
+typedef struct{
+	adj vertices;
+	int dingdian,bian;
+}alg;
+
+int getvex(alg g,int n){
+	for(int i=0;i<g.dingdian;++i){
+		if(g.vertices[i].data==n)return i;
+	}
+}
+
+void creat(alg &g){
+	cout << "请输入总顶点数和总边数" << endl;
+	cin >> g.dingdian >>  g.bian;
+	for(int i=0;i<g.dingdian;++i){
+		cin >> g.vertices[i].data;
+		g.vertices[i].first=NULL;
+	}
+	int v1=0,v2=0,i,j;
+	for(int k=0;k<g.bian;++k){
+		cin >> v1 >> v2;
+		i=getvex(g,v1);j=getvex(g,v2);
+		arc*p1=new arc;
+		arc*p2=new arc;
+		p1->adj=j;
+		p1->next=g.vertices[i].first;g.vertices[i].first=p1;
+		p2->adj=i;
+		p2->next=g.vertices[j].first;g.vertices[j].first=p2;
+	}
+	return;
+}
+
+void dfsal(alg g,int v){
+	int visited[max];
+	for(int i=0;i<g.dingdian;++i){
+		visited[i]=0;
+	}
+	cout << v;visited[v]=1;
+	int w=0;
+	arc *p=g.vertices[v].first;
+	while(p!=NULL){
+		w=p->adj;
+		if(visited[w]) dfsal(g,w);
+		p=p->next;
+	}
+}
+
+typedef struct{
+	int vexs[max];
+	int arcs [max][max];
+	int dingdian1,bian1;
+}amg;
+
+int getvex1(amg g,int n){
+	for(int i=0;i<g.dingdian1;++i){
+		if(g.vexs[i]==n){return n;}
+	}
+}
+
+void creat1(amg &g){
+	cout << "请输入总顶点数和总边数" << endl;
+	cin >> g.dingdian1 >> g.bian1;
+	for(int i=0;i<g.dingdian1;++i){
+		cin >> g.vexs[i];
+	}
+	for(int i=0;i<g.dingdian1;++i){
+		for(int j=0;j<g.dingdian1;++j){
+			g.arcs[i][j]=maxint;
+		}
+	}
+	int v1=0,v2=0,i,j;
+	for(int k=0;k<g.bian1;++k){
+		cin >> v1 >> v2;
+		i=getvex1(g,v1);j=getvex1(g,v2);
+		g.arcs[i][j]=1;
+		g.arcs[j][i]=g.arcs[i][j];
+	}
+	return;
+}
+
+void dfsam(amg g,int v){
+	int visited[max];
+	for(int i=0;i<g.dingdian1;++i){
+		visited[i]=0;
+	}
+	cout << v;visited[v]=1;
+	for(int w=0;w<g.dingdian1;++w){
+		if((g.arcs[v][w]!=maxint)&&(!visited[w])) dfsam(g,w);
+	}
+}
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