【C++】【啊哈！算法】Dijkstra算法

//Dijkstra

#include<iostream> 
using namespace std;
int main(){
int n,m;
int i,j,k;
int t1,t2,t3;
int min; 
int inf=9999; 
cin>>n>>m;
int e[10][10];
int book[10]={0};
int dis[10];
//int *e=new int[n][n];
//初始化为无穷大 
for(i=1;i<=n;++i)
for(j=1;j<=n;++j)
e[i][j]=inf;
//对角线初始化为0
for(i=1;i<=n;++i)
e[i][i]=0; 

//读入数据 
for(i=1;i<=m;++i){
cin>>t1>>t2>>t3;
e[t1][t2]=t3;
}
for(i=1;i<=n;++i)
dis[i]=e[1][i];

//Dijkstra
book[1]=1;
dis[1]=0;
for(i=1;i<=n-1;++i){
min=inf;
for(j=1;j<=n;++j){
if(book[j]==0&&dis[j]<min){
min=dis[j];
k=j;
}
}
book[k]=1;
for(j=1;j<=n;++j){
if(book[j]==0&&dis[j]>dis[k]+e[k][j]){
dis[j]=dis[k]+e[k][j];
}
}
}
//输出
for(i=1;i<=n;++i)
cout<<dis[i]<<" ";
return 0; 
}