Cod sursa(job #3231693)

Utilizator SkiboBogdan Cristian Skibo Data 27 mai 2024 16:14:58
Problema Floyd-Warshall/Roy-Floyd Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.98 kb
#include <iostream>
#include <fstream>
#include <vector>
#include <algorithm>
#include <climits>
#include <cmath>
#include <iomanip>

using namespace std;

int n, v[101][101];

ifstream fin("royfloyd.in"); /// royfloyd
ofstream fout("royfloyd.out");

int main()
{
    fin>>n;
    for(int i = 1; i<=n; i++)
        for(int j = 1; j<=n; j++)
        {
            fin>>v[i][j];
            if(v[i][j] == 0 && i != j)
                v[i][j] = INT_MAX/2;
        }

    for(int i = 1; i<=n; i++)
    {
        for(int j = 1; j<=n; j++)
        {
            for(int k = 1; k<=n; k++)
            {
                if(v[j][k] > v[j][i] + v[i][k])
                {
                    v[j][k] = v[j][i]+v[i][k];
                }
            }
        }
    }

    for(int i = 1; i<=n; i++)
    {
        for(int j = 1; j<=n; j++)
            if(v[i][j] == INT_MAX/2)
                fout<<0<<' ';
            else fout<<v[i][j]<<' ';
        fout<<'\n';
    }
}