Cod sursa(job #2543414)

Utilizator Gabi1623Ghita Gabriel Gabi1623 Data 11 februarie 2020 09:29:32
Problema Floyd-Warshall/Roy-Floyd Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.82 kb
#include <iostream>
#include <fstream>
#define INF 1000000000
using namespace std;
long long int n,i,j,k,d[101][101];
int main()
{
    ifstream fin("royfloyd.in");
    ofstream fout("royfloyd.out");
    fin>>n;
    for(i=1; i<=n; i++)
        for(j=1; j<=n; j++){
            fin>>d[i][j];
            if(d[i][j]==0)
                d[i][j]=INF;
        }
    for(k=1; k<=n; k++)
        for(i=1; i<=n; i++)
            for(j=1; j<=n; j++)
            {
                if(i!=j&& d[i][j]>d[i][k]+d[k][j])
                {
                    d[i][j]=d[i][k]+d[k][j];

                }
            }
    for(i=1; i<=n; i++)
    {
        for(j=1; j<=n; j++)
            if(d[i][j]==INF)
            fout<<"0 ";
        else
            fout<<d[i][j]<<' ';
        fout<<endl;
    }

    return 0;
}