Cod sursa(job #879165)

Utilizator MIonutMistreanu Ionut MIonut Data 15 februarie 2013 01:06:37
Problema Floyd-Warshall/Roy-Floyd Scor 50
Compilator cpp Status done
Runda Arhiva educationala Marime 0.63 kb
#include<fstream>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int a[104][104],n;
void citire(){
    f>>n;
    for(int i=1;i<=n;++i)
        for(int j=1;j<=n;++j)
            f>>a[i][j];
}
void royfloyd(){
    int i,j,k;
    for( k=1;k<=n;++k)
        for( i=1;i<=n;++i)
            for( j=1;j<=n;++j)
                if(k!=i && k!=j && i!=j && a[i][j]>a[i][k]+a[k][j])
                    a[i][j]=a[i][k]+a[k][j];
}
void afisare(){
    for(int i=1;i<=n;++i){
        for(int j=1;j<=n;++j)
            g<<a[i][j]<<" ";
    g<<'\n';
    }
}
int main(){
    citire();
    royfloyd();
    afisare();
return 0;
}