Cod sursa(job #3286851)

Utilizator eugenioMarinescu Eugenio eugenio Data 14 martie 2025 18:54:29
Problema Floyd-Warshall/Roy-Floyd Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.88 kb
#include <fstream>
#include <queue>
#include <vector>
#include <cstring>
#include <algorithm>
#include <numeric>
#define inf 500000
using namespace std;
ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");

int n, x, a[200][200];

int main()
{
    cin>>n;

    for(int i=1; i<=n; i++)
        for(int j=1; j<=n; j++)
        {
            cin>>x;
            a[i][j]=x;
            if(i!=j && x==0)
                a[i][j]=inf;
        }

    for(int k=1; k<=n; k++)
        for(int i=1; i<=n; i++)
            for(int 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];
    for(int i=1; i<=n; i++,cout<<'\n')
            for(int j=1; j<=n; j++)
                if(a[i][j]!=inf)
                    cout<<a[i][j]<<' ';
                else
                    cout<<0<<' ';
    return 0;
}