Cod sursa(job #2113610)

Utilizator CozmaCatalinCozma Catalin CozmaCatalin Data 24 ianuarie 2018 20:28:03
Problema Floyd-Warshall/Roy-Floyd Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.86 kb
#include <stdio.h>

int n, a[105][105];


void citire()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);

    int i, j;
    scanf("%d",&n);
    for (i = 1; i <= n; i++)
        for (j = 1; j <= n; j++) scanf("%d",&a[i][j]);
}

void roy_floyd()
{
    int i, j, k;
    for (k = 1; k <= n; k++)
        for (i = 1; i <= n; i++)
            for (j = 1; j <= n; j++)
                if(a[i][k] != 0 && a[k][i] != 0)
            {
                if(a[i][j] > a[i][k] + a[k][i])
                {
                    a[i][j] = a[i][k] + a[k][i];

                }
            }
}


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


int main()
{
    citire();
    roy_floyd();
    afis();
    return 0;
}