Cod sursa(job #1077700)

Utilizator exclamatieDica Florin Sebastian exclamatie Data 11 ianuarie 2014 16:26:44
Problema Floyd-Warshall/Roy-Floyd Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.67 kb
#include <iostream>
#include <fstream>
int n,v[101][101];
using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
int RoyFloyd()
{
    for(int k=1;k<=n;k++)
    {
        for(int i=1;i<=n;i++)
        {
            for(int j=1;j<=n;j++)
            {
                if((i!=j)&&((v[i][j]>(v[i][k]+v[k][j]))||(!v[i][j]))&&v[i][k]&&v[k][j])
                v[i][j]=v[i][k]+v[k][j];
            }
        }
    }
}
int main()
{
    in>>n;
    for(int i=1;i<=n;i++)
    for(int j=1;j<=n;j++)
    in>>v[i][j];
    RoyFloyd();
    for(int i=1;i<=n;i++)
    {
    for(int j=1;j<=n;j++)
    out<<v[i][j]<<" ";
    out<<'\n';
    }
}