Cod sursa(job #2298394)

Utilizator DascaluAndreiDascalu Andrei DascaluAndrei Data 8 decembrie 2018 09:40:36
Problema Floyd-Warshall/Roy-Floyd Scor 50
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.92 kb
#include <fstream>
#define DIM 105
#define INF 1000000000

using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");

int A[DIM][DIM], tata[DIM][DIM], n;
void init()
{
    int i, j;
    for(i=1;i<=n;++i)
        for(j=1;j<=n;++j)
        A[i][j]=INF, tata[i][j]=i;
}
void citire()
{
    int i, j;
    for(i=1;i<=n;++i)
        for(j=1;j<=n;++j)
            fin>>A[i][j];
}
void afisare()
{
    int i, j;
    for(i=1;i<=n;++i)
    {
        for(j=1;j<=n;++j)
            if(A[i][j]==INF) fout<<0<<' ';
            else fout<<A[i][j]<<' ';
        fout<<'\n';
    }
}
int main()
{
    fin>>n;
    init();
    citire();
    for(int x=1;x<=n;++x)
        for(int u=1;u<=n;++u)
        for(int v=1;v<=n;++v)
        if(u!=v && A[u][v]>A[u][x]+A[x][v])
        {
            A[u][v]=A[u][x]+A[x][v];
            tata[u][v]=tata[x][v];
        }
    afisare();
    return 0;
}