Cod sursa(job #1782989)

Utilizator VladG26Ene Vlad-Mihai VladG26 Data 18 octombrie 2016 17:43:27
Problema Floyd-Warshall/Roy-Floyd Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.91 kb
#include <iostream>
#include <cstdio>
#define INF 999999998
using namespace std;
int n,a[102][102];
void citire()
{
    scanf("%d",&n);
    for(int i=1; i<=n; i++)
        for(int j=1; j<=n; j++)
        {
            scanf("%d",&a[i][j]);
            if(i!=j&&!a[i][j])
                a[i][j]=INF;
        }
}
void royFloyd()
{
    for(int k=1; k<=n; k++)
        for(int i=1; i<=n; i++)
            for(int j=1; j<=n; j++)
                a[i][j]=min(a[i][j],a[i][k]+a[k][j]);
    for(int i=1; i<=n; i++)
        for(int j=1; j<=n; j++)
            if(a[i][j]==INF) a[i][j]=0;
}
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();
    return 0;
}