Cod sursa(job #2865096)

Utilizator TudosieRazvanTudosie Marius-Razvan TudosieRazvan Data 8 martie 2022 14:58:36
Problema Floyd-Warshall/Roy-Floyd Scor 90
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 1.14 kb
#include <fstream>
#include <algorithm>
#include <vector>
#include <queue>
#include <set>
#include <map>
#include <cstring>
#include <climits>
#include <unordered_map>

#define NMAX 103

using namespace std;

int n;
int mat[NMAX][NMAX];

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

int main()
{

    fin >> n;
    for(int i=1; i<=n; i++)
    {
        for(int j=1; j<=n; j++)
        {
            fin>>mat[i][j];
            if(mat[i][j]==0)
            {
                mat[i][j]=INT_MAX;
            }
        }
        mat[i][i]=0;
    }

    //fac roy-floyd
    for(int aux=1; aux<=n; aux++)
    {
        for(int i=1; i<=n; i++)
        {
            for(int j=1; j<=n; j++)
            {
                if(mat[i][j]>mat[i][aux]+mat[aux][j])
                {
                    mat[i][j]=mat[i][aux]+mat[aux][j];
                }
            }
        }
    }

     for(int i=1; i<=n; i++)
    {
        for(int j=1; j<=n; j++)
        {
           if(mat[i][j]==INT_MAX)
           {
               fout<<"0 ";
           }
           else{
               fout<<mat[i][j]<<" ";
           }
        }
        fout<<"\n";
    }
    return 0;
}