Cod sursa(job #1899536)

Utilizator dumitrescugeorgeGeorge Dumitrescu dumitrescugeorge Data 2 martie 2017 19:59:00
Problema Floyd-Warshall/Roy-Floyd Scor 50
Compilator cpp Status done
Runda Arhiva educationala Marime 0.81 kb
#include <iostream>
#include <cstdio>
using namespace std;
int n,a[110][110];
void citire()
{
    scanf("%d",&n);
    for(int i=1;i<=n;i++)
        for(int j=1;j<=n;j++)
    {
        scanf("%d",&a[i][j]);
    }
}
void royfloyd()
{
    for(int k=1;k<=n;k++)
        for(int i=1;i<=n;i++)
            for(int j=1;j<=n;j++)
        {
            if(i!=j&&a[i][j]>a[i][k]+a[k][j]&&a[i][k]&&a[k][j]&&a[i][j])
                a[i][j]=a[i][k]+a[k][j];
        }
}
void afisare()
{
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=n;j++)
            printf("%d ",a[i][j]);
        printf("\n");
    }
}
int main()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    citire();
    royfloyd();
    afisare();
    //cout << "Hello world!" << endl;
    return 0;
}