Cod sursa(job #3198933)

Utilizator tony_lolCristea Marc Antonio tony_lol Data 31 ianuarie 2024 09:42:45
Problema Floyd-Warshall/Roy-Floyd Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.94 kb
#include <iostream>
#include <fstream>
#include <vector>

using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");

const int INF=100000;
int mat[105][105],n;

void read()
{
    f>>n;
    for(int i=1; i<=n; i++)
    {
        for(int j=1; j<=n; j++)
        {
            f>>mat[i][j];
            if(mat[i][j]==0&&i!=j)
            {
                mat[i][j]=INF;
            }
        }

    }
}
int main()
{
    read();
    for(int k=1; k<=n; k++)
    {
        for(int i=1; i<=n; i++)
        {
            for(int j=1; j<=n; j++)
            {
                int drum_nou=mat[i][k]+mat[k][j];
                if(drum_nou < mat[i][j]&&i!=k&&j!=k&&j!=i&&mat[i][k]!=0&&mat[k][j]!=0) mat[i][j]=drum_nou;
            }
        }
    }
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=n;j++)
        {
            g<<mat[i][j]<<" ";
        }
        g<<'\n';
    }


    return 0;
}