Cod sursa(job #1490042)

Utilizator DoraBenzoVelicu Teodora DoraBenzo Data 22 septembrie 2015 17:42:36
Problema Floyd-Warshall/Roy-Floyd Scor 50
Compilator cpp Status done
Runda Arhiva educationala Marime 0.78 kb
#include <iostream>
#include <fstream>

using namespace std;
ifstream f("royfloyd.in");
ofstream o("royfloyd.out");

int n, a[101][101];

void cititre()
{
    f >> n;
    for(int i=1; i<=n; i++)
        for(int j=1; j<=n; j++)
            f >> a[i][j];
}

void alg()
{
    for(int k=1; k<=n; k++)
        for(int i=1; i<=n; i++)
            if(i != k)
                for(int j=1; j<=n; j++)
                    if(i != j && k != j)
                        if(a[i][k] + a[k][j] < a[i][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++)
            o<<a[i][j]<<" ";
        o<<"\n";
    }
}

int main()
{
    cititre();
    alg();
    afisare();
    return 0;
}