Cod sursa(job #2084455)

Utilizator vlad6001Pintilie Vlad vlad6001 Data 9 decembrie 2017 09:45:41
Problema Floyd-Warshall/Roy-Floyd Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 1.07 kb
#include <fstream>
#define INF 100000
using namespace std;

ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");

int nr, distanta[105][105], t[105][105];

int main()
{
    cin >> nr;
    for(int i=1; i <= nr; i++)
    {
        for(int j=1; j <= nr; j++)
        {
            cin >> distanta[i][j];
            t[i][j] = i;
            if(distanta[i][j] == 0)
            {
                distanta[i][j] = INF;
            }
            if(i == j)
            distanta[i][j] = 0;
        }
    }

    for(int k=1; k <= nr; k++)
    {
        for(int i=1; i <= nr; i++)
        {
            for(int j=1; j <= nr; j++)
            {
                if(distanta[i][j] > distanta[i][k]+distanta[k][j])
                {
                    distanta[i][j] = distanta[i][k]+distanta[k][j];
                    t[i][j] = t[k][j];
                }
            }
        }
    }

    for(int i=1; i <= nr; i++)
    {
        for(int j=1; j <= nr; j++)
        {
            cout << distanta[i][j] << ' ';
        }
        cout << '\n';
    }
}