Cod sursa(job #2317020)
Utilizator | Moanta Ionut Liviu Liviu_Ionut_Moanta | Data | 12 ianuarie 2019 18:12:07 |
---|---|---|---|
Problema | Floyd-Warshall/Roy-Floyd | Scor | 0 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.7 kb |
#include<fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n,m,i,j,k,x,y;
int D[105][105];
int main(){
fin>>n>>m;
for(i=1;i<=m;i++){
fin>>x>>y;
D[x][y]=1;
}
for(k=1;k<=n;k++){
for(i=1;i<=n;i++){
for(j=1;j<=n;j++){
if(i!=k&&k!=j&&D[i][k]==1&&D[k][j]==1){
D[i][j]=1;
}
if(i!=k&&k!=j&&D[k][i]==1&&D[j][k]==1){
D[j][i]=1;
}
}
}
}
for(i=1;i<=n;i++){
for(j=1;j<=n;j++){
fout<<D[i][j]<<" ";
}
fout<<"\n";
}
return 0;
}