Cod sursa(job #2196472)

Utilizator PredaBossPreda Andrei PredaBoss Data 19 aprilie 2018 13:44:03
Problema Floyd-Warshall/Roy-Floyd Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.75 kb
#include <bits/stdc++.h>
#define INF 1e9
using namespace std;
short d[105][105];
int n;
void make_roy()
{
    for(int k=1;k<=n;k++)
        for(int i=1;i<=n;i++)
            for(int j=1;j<=n;j++)
                if(d[i][j]>d[i][k]+d[k][j])
                    d[i][j]=d[i][k]+d[k][j];
}
int main()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    scanf("%d",&n);
    for(int i=1;i<=n;i++)
        for(int j=1;j<=n;j++)
        {
            scanf("%d",&d[i][j]);
            if(d[i][j]==0 && i!=j)
                d[i][j]=INF;
        }
    make_roy();
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=n;j++)
            printf("%d ",d[i][j]);
        printf("\n");
    }
    return 0;
}