Cod sursa(job #2202137)

Utilizator cristina-criCristina cristina-cri Data 7 mai 2018 18:21:49
Problema Floyd-Warshall/Roy-Floyd Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.93 kb
#include <cstdio>
#include <algorithm>
#define infinit (1<<28)
using namespace std;

int mat[105][105], n;

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", &mat[i][j]);
            if(i != j && mat[i][j]==0)
                mat[i][j]=infinit;
        }
    }

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

    for(int i=1; i<=n; i++)
    {
        for(int j=1; j<=n; j++)
        {
            printf("%d ", mat[i][j]);
        }
        printf("\n");

    }

    return 0;
}