Cod sursa(job #2712546)

Utilizator ciuceaciumatei bejenaru ciuceaciu Data 25 februarie 2021 22:50:41
Problema Floyd-Warshall/Roy-Floyd Scor 50
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.75 kb
#include <iostream>
#include <fstream>
#define inf 1000000
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int a[101][101],n;
void citire()
{
    fin>>n;
    for(int i=1;i<=n;i++)
    for(int j=1;j<=n;j++)
    a[i][j]=inf;
    for(int i=1;i<=n;i++)
    for(int j=1;j<=n;j++)
    fin>>a[i][j];
}
void floyd()
{
    int k,i,j;
    for(k=1;k<=n;k++)
    for(i=1;i<=n;i++)
    for(j=1;j<=n;j++)
    if(i!=j&&a[i][j]>a[i][k]+a[k][j])
    a[i][j]=a[i][k]+a[k][j];
    
}
void afisare()
{
    int i,j;
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
        if(a[i][j]!=inf)
        fout<<a[i][j]<<" ";
        else
        fout<<"0"<<" ";
        fout<<'\n';
    }
}
int main()
{
    citire();
    floyd();
    afisare();
    return 0;
}