Cod sursa(job #1825712)

Utilizator pofianFilipp pofian Data 9 decembrie 2016 16:26:45
Problema Floyd-Warshall/Roy-Floyd Scor 50
Compilator cpp Status done
Runda Arhiva educationala Marime 0.75 kb
#include <fstream>
#define inf 10000
using namespace std;
ifstream fin ("royfloyd.in");
ofstream fout("royfloyd.out");
int n,a[105][105];

void cit()
{
    int i,j;
    for(i=1;i<=n;i++)
    for(j=1;j<=n;j++)
        fin>>a[i][j];
}

void roy_floyd()
{
    int i,j,k;
    for(k=1;k<=n;k++)
    for(i=1;i<=n;i++)
    for(j=1;j<=n;j++)
        if(a[i][k]+a[k][j]<a[i][j])
            a[i][j]=a[i][k]+a[k][j];
}

int main()
{
    fin>>n;
    int i,j;
    for(i=1;i<=n;i++)
    for(j=1;j<=n;j++)
    {
        if(i==j)
            a[i][j]=0;
        else
            a[i][j]=inf;
    }
    cit();
    roy_floyd();
    for(i=1;i<=n;i++)
    {
        for(j=1;j<=n;j++)
            fout<<a[i][j]<<' ';
        fout<<'\n';
    }
}