BJFUOJ-281

基于邻接矩阵的边的删除

#include <iostream>
#include <climits>
using namespace std;
#define maxsize 100

typedef struct{
    int vex[maxsize];
    int matrix[maxsize][maxsize];
    int vexnum;
    int arcnum;
}MGraph;

void Create(MGraph &G,int n,int m){
    G.vexnum = n;
    for(int i = 1;i<=n;i++){
        G.vex[i] = i;
    }
    for(int i = 1;i<=n;i++){
        for(int j = 1;j<=n;j++){
            G.matrix[i][j] = 0;
        }
    }

    for(int i = 1;i<=m;i++){
        int n1;int n2;
        cin>>n1>>n2;
        G.matrix[n1][n2] = 1;
        G.matrix[n2][n1] = 1;
    }
    int nn1;int nn2;
    cin>>nn1>>nn2;
    G.matrix[nn1][nn2] = 0;
    G.matrix[nn2][nn1] = 0;
    G.arcnum = m+1;
}
void print(MGraph G){
    cout<<"0";
    for(int i = 1;i<=G.vexnum;i++){
        cout<<" "<<G.vex[i];
    }
    cout<<endl;
    for(int i = 1;i<=G.vexnum;i++){
        cout<<G.vex[i];
        for(int j = 1;j<=G.vexnum;j++){
            cout<<" "<<G.matrix[i][j];
        }
        cout<<endl;
    }
}


int main(){

    int n,m;
    while(cin>>n>>m && (n!=0 && m!=0)){
        MGraph G;
        Create(G,n,m);
        print(G);
    }
}