Cod sursa(job #2336806)

Utilizator benjamin2205Zeic Beniamin benjamin2205 Data 5 februarie 2019 16:12:59
Problema Floyd-Warshall/Roy-Floyd Scor 10
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.98 kb
#include <iostream>
#include <fstream>

using namespace std;

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

int n;
short mat[101][101];

void citire();

void royfloyd() {
    for(int i = 1; i <= n; ++i) {
        for(int j = 1; j <= n; ++j) {
            if (!(i == j)) {
                for(int k = 1; k <= n; ++k) {
                    if (mat[i][j] > mat[i][k] + mat[k][j] &&
                        i != k && k != j) {
                        mat[i][j] = mat[i][k] + mat[k][j];
                    }
                }
            }
        }
    }
}

void afisare() {
    for(int i = 1; i <= n; ++i) {
        for(int j = 1; j <= n; ++j) {
            g << mat[i][j] << ' ';
        }
        g << '\n';
    }
}

int main()
{
    citire();
    royfloyd();
    afisare();
    return 0;
}

void citire() {
    f >> n;
    for(int i = 1; i <= n; ++i) {
        for(int j = 1; j <= n; ++j) {
            f >> mat[i][j];
        }
    }
}