Cod sursa(job #2078244)

Utilizator CronosClausCarare Claudiu CronosClaus Data 29 noiembrie 2017 09:37:48
Problema Floyd-Warshall/Roy-Floyd Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.8 kb
#include <bits/stdc++.h>

using namespace std;

const int mxn = 100 + 2;

int n;
int a[ mxn ][ mxn ];

void royfloyd(){
    for(int k = 0; k < n; k++)
        for(int i = 0; i < n; i++)
            for(int j = 0; j < n; j++)
                if (a[i][k] && a[k][j] && (a[i][j] > a[i][k] + a[k][j] || !a[i][j]) && i != j)
                    a[ i ][ j ] = a[ i ][ k ] + a[ k ][ j ];
}

int main()
{
    ios_base::sync_with_stdio( false );
    ifstream cin("royfloyd.in");
    ofstream cout("royfloyd.out");
    cin>> n;
    for(int i = 0; i < n; i++)
        for(int j = 0; j < n; j++)
            cin>> a[ i ][ j ];
    royfloyd();
    for(int i = 0; i <  n; i++){
        for(int j = 0; j < n; j++)
            cout<< a[ i ][ j ] << ' ';
        cout<< '\n';
    }
    return 0;
}