Cod sursa(job #2505461)

Utilizator Adrian_Popescu311Popescu Adrian Adrian_Popescu311 Data 6 decembrie 2019 21:35:26
Problema Floyd-Warshall/Roy-Floyd Scor 50
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.75 kb
#include <bits/stdc++.h>
#define MAX 105

using namespace std;

ifstream fi("royfloyd.in");
ofstream fo("royfloyd.out");

int n;
int a[MAX][MAX];

int minim(int a,int b)
{
    if(a>b)
        return b;
    else
        return a;
}

void dostuff()
{
    fi>>n;

    for(int i=1;i<=n;i++)
        for(int j=1;j<=n;j++)
            fi>>a[i][j];
}

void rf()
{
    for(int k=1;k<=n;k++)
        for(int i=1;i<=n;i++)
            for(int j=1;j<=n;j++)
                if(a[i][k]&&a[k][j]&&i!=j)
                    a[i][j]=minim(a[i][j],a[i][k]+a[k][j]);
}

int main()
{
    dostuff();

    rf();

    for(int i=1;i<=n;i++)
        {for(int j=1;j<=n;j++)
            fo<<a[i][j]<<" ";
        fo<<'\n';}

    return 0;
}