Cod sursa(job #2706125)

Utilizator radubigColtos Radu radubig Data 13 februarie 2021 22:05:52
Problema Floyd-Warshall/Roy-Floyd Scor 50
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.68 kb
#include <fstream>

using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
const int INF = 2e9, lim = 100;

int dist[lim+5][lim+5], n;

void RoyFloyd()
{
    for(int k=1; k<=n; k++)
        for(int i=1; i<=n; i++)
            for(int j=1; j<=n; j++)
                if(dist[i][k] + dist[k][j] < dist[i][j])
                    dist[i][j] = dist[i][k] + dist[k][j];
}

int main()
{
    in>>n;
    for(int i=1; i<=n; i++)
        for(int j=1; j<=n; j++)
            in>>dist[i][j];
    RoyFloyd();
    for(int i=1; i<=n; i++)
    {
        for(int j=1; j<=n; j++)
            out<<dist[i][j]<<' ';
        out<<'\n';
    }
    return 0;
}