Cod sursa(job #2502716)

Utilizator victorzarzuZarzu Victor victorzarzu Data 1 decembrie 2019 14:34:14
Problema Floyd-Warshall/Roy-Floyd Scor 0
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.83 kb
#include <bits/stdc++.h>
#define oo 10000
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n,c[101][100];
void Citire()
{
    f>>n;
    for(int i=1;i<=n;++i)
        for(int j=1;j<=n;++j)
            {
                f>>c[i][j];
                if(c[i][j] == 0) c[i][j] = oo;
            }
    f.close();
}

void Warshall()
{

    for(int k=1; k<=n; k++)
        for(int i=1; i<=n; i++)
            for(int j=1; j<=n; j++)
                if(i!=j)
                    c[i][j]=min(c[i][j],c[i][k]+c[k][j]);
}

int main()
{
    Citire();
    Warshall();
    for(int i=1;i<=n;++i)
    {
        for(int j=1;j<=n;++j)
            {
                if(c[i][j] >= oo) g[i][j] = 0;
                g<<c[i][j]<<" ";
            }
        g<<'\n';
    }
    g.close();
    return 0;
}