Cod sursa(job #2574970)

Utilizator MDiana15Diana M MDiana15 Data 6 martie 2020 10:56:37
Problema Floyd-Warshall/Roy-Floyd Scor 50
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.94 kb
//
//  main.cpp
//  roy-floyd
//
//  Created by diana micloiu on 05/03/2020.
//  Copyright © 2020 diana micloiu. All rights reserved.
//

#include <fstream>
#define inf 1e9
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n,m,c[105][105];
int x,y,cost;
void roy()
{
    for(int k=1;k<=n;k++)
        for(int i=1;i<=n;i++)
            for(int j=1;j<=n;j++)
            {
                if(c[i][k]+c[k][j]<c[i][j])
                {
                    c[i][j]=c[i][k]+c[k][j];
                }
            }
}
int main() {
    f>>n;
    /*for(int i=1;i<=n;i++)
        for(int j=1;j<=n;j++)
        {
            c[i][j]=inf;
            if(i==j)c[i][i]=0;
        }
    */
    
    for(int i=1;i<=n;i++)
        for(int j=1;j<=n;j++)
        {
            f>>c[i][j];
        }
    roy();
    for(int i=1;i<=n;i++)
    {for(int j=1;j<=n;j++)
        {
            g<<c[i][j]<<" ";
        }
        g<<'\n';}
    
    return 0;
}