交个崔鹏题 OJ实践1-B

#include<iostream> 
#include<malloc.h>
#include<string.h>
using namespace std;
#define MAX 10
#define INF 0;
typedef int E;
typedef struct GraphMartix{
	int vex,edge;
	int marixWeight[MAX][MAX];
	E data[MAX];
}*Graph;
Graph Create(int v){
	Graph g= (Graph)malloc(sizeof(GraphMartix));
	g->edge=g->vex=0;
	memset(g->marixWeight,0,sizeof(g->marixWeight));
	return g;
}
void addVex(Graph g,E v){
	g->data[g->vex++]=v;
	
}
int getIndexByElem(Graph g,E v){
	int i =0;
	while(g){
	if(g->data[i]==v)
		return i;
	i++;
	}
	return -1;
}
void addEdge(Graph g,E v1,E v2,int w){
	int a=getIndexByElem(g,v1);
	int b=getIndexByElem(g,v2);
	g->marixWeight[v1-1][v2-1]=w;
	g->marixWeight[v2-1][v1-1]=w;
	g->edge++;
}
void printMarix(Graph g){
	
	for(int i =0;i<g->vex;i++)
		if(g->marixWeight[0][i]!=0) 
			{
				cout<<g->marixWeight[0][i];
				if(i<g->vex-1) cout<<" ";
			}
	cout<<endl;
}
void Fluid(Graph g){
	for(int i =0 ;i <g->vex;i++)
		for(int j=0;j<g->vex;j++)
			for(int k=0;k<g->vex;k++)
				{
					if(g->marixWeight[j][i]!=0&&g->marixWeight[i][k]!=0&&j!=k)
					{
					
						int newDistance=g->marixWeight[j][i]+g->marixWeight[i][k];
						if (newDistance < g->marixWeight[j][k] || g->marixWeight[j][k] == 0)
                            g->marixWeight[j][k] = newDistance;
					}
				}
				
		
	printMarix(g);
}
int main(){
	Graph graph = Create(4);
	int n;
	cin>>n;
	for (int c =1;c<=n;++c)
		addVex(graph,c);
	int a,b,w;
	while(cin>>a>>b>>w){
		addEdge(graph,a,b,w);	
	}

	//printMarix(graph);
	Fluid(graph);
	
}
posted @ 2023-12-21 18:34  Happy_Eric  阅读(8)  评论(0编辑  收藏  举报