Cod sursa(job #1950250)

Utilizator RaduXD1Nicolae Radu RaduXD1 Data 2 aprilie 2017 20:47:16
Problema Paduri de multimi disjuncte Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 1.02 kb
#include<iostream>
#include<fstream>
#include<algorithm>

using namespace std;
ifstream fin("disjoint.in");
ofstream fout("disjoint.out");
int n, el, i, f[100002],c,a,b,j;

int calc(int nod)
{
    while(f[nod]>0)
        nod=f[nod];
    return nod;
}

int main(){
    fin>>el>>n;
    for(i=1;i<=el;i++)
        f[i]=-1;
    for(i=1;i<=n;i++)
    {
        fin>>c>>a>>b;
        if(c==1)
        {
            if(calc(a)!=calc(b))
            {
                if(f[a]>=f[b])
                {
                    f[a]+=f[b];
                    f[b]=a;
                }
                else
                {
                    f[b]+=f[a];
                    f[a]=b;
                }
            }
        }
        else
        {
            if(calc(a)==calc(b))
                fout<<"DA\n";
            else
                fout<<"NU\n";
        }
        for(j=1;j<=el;j++)
            fout<<f[j]<<" ";
        fout<<"\n";
    }
    fin.close();
    fout.close();
    return 0;
}