Cod sursa(job #2199599)

Utilizator alexmihai21Mihai Alexandru alexmihai21 Data 28 aprilie 2018 13:53:45
Problema Floyd-Warshall/Roy-Floyd Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.93 kb
#include <stdio.h>
#include <stdlib.h>
#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream gout("royfloyd.out");
int a[100][100];
int dist[100][100],n;
void citire()
{
    fin>>n;
    int i,j;
    for(i=0; i<n; i++)for(j=0; j<n; j++)fin>>a[i][j];
}
void floyd(void)
{
    int k,i,j;

    for(i=0; i<n; i++)
        for(j=0; j<n; j++)
            dist[i][j]=a[i][j];
    for(k=0; k<n; k++)
        for(i=0; i<n; i++)
            for(j=0; j<n; k++)
                if(dist[i][k]+dist[k][j]<dist[i][j] && dist[i][k]>0 && dist[k][j]>0)
                    dist[i][j]=dist[i][k]+dist[k][j];



}
void afisare()
{
    int i,j;
    for(i=0; i<n; i++)
    {
        for(j=0; j<n; j++)
        {
            gout<<dist[i][j];
            gout<<' ';
        }
        gout<<endl;
    }


}
int main()
{
    citire();
    floyd();
    afisare();
    return 0;



}