Cod sursa(job #1379255)

Utilizator Vladinho97Iordan Vlad Vladinho97 Data 6 martie 2015 17:11:02
Problema Floyd-Warshall/Roy-Floyd Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.87 kb
#include <fstream>
#define nmax 109
#define INF 10000000
using namespace std;
int d[nmax][nmax],m[nmax][nmax];
int main()
{
    int i,j,k,n;
    ifstream f("royfloyd.in");
    ofstream g("royfloyd.out");
    f>>n;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
        {
            f>>m[i][j];
            if(m[i][j]==0)
            {
                d[i][j]=INF;
            }
            else
            {
                d[i][j]=m[i][j];
            }
        }
    for(i=1;i<=n;i++)
        d[i][i]=0;
    for(k=1;k<=n;k++)
        for(i=1;i<=n;i++)
            for(j=1;j<=n;j++)
                if(d[i][k]+d[k][j]<d[i][j])
                {
                    d[i][j]=d[i][k]+d[k][j];
                }
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n-1;++j)
            g<<d[i][j]<<" ";
        g<<d[i][n]<<"\n";
    }
    return 0;
}