Cod sursa(job #1784951)

Utilizator NineshadowCarapcea Antonio Nineshadow Data 20 octombrie 2016 18:11:04
Problema Floyd-Warshall/Roy-Floyd Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.67 kb
#include <bits/stdc++.h>
#define N 101
using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
int n, w[N][N],d[N][N];
int main()
{
    in>>n;
    for(int i=1; i<=n; ++i)
        for(int j=1; j<=n; ++j)
        {
            in>>w[i][j];
            d[i][j]=w[i][j];
        }
    for(int k=1; k<=n; ++k)
        for(int i=1; i<=n; ++i)
            for(int j=1; j<=n; ++j)
                if(i!=j&&d[i][k]&&d[k][j]&&(d[i][k]+d[k][j]<d[i][j]||!d[i][j]))
                    d[i][j]=d[i][k]+d[k][j];
    for(int i=1; i<=n; ++i)
    {
        for(int j=1; j<=n; ++j)
            out<<d[i][j]<<' ';
        out<<'\n';
    }
    return 0;
}