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Cod sursa(job #2753209)

Utilizator vlad414141414141Vlad Ionescu vlad414141414141 Data 21 mai 2021 15:43:58
Problema Paduri de multimi disjuncte Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.79 kb
#include <iostream>
#include <fstream>

using namespace std;

ifstream fin ("disjoint.in");
ofstream fout ("disjoint.out");

int n, m, cod, x, y, v[100041];

int fiind(int x)
{
    if (v[x]==x)
        return v[x];
    else
    {
        v[x]=fiind(v[x]);
        return v[x];
    }
}

void uni(int x, int y)
{
    v[fiind(y)]=fiind(x);
}
void check(int x, int y)
{
    if (fiind(x)==fiind(y))
        fout << "DA\n";
    else
        fout << "NU\n";
}

void read()
{
    fin >> n >> m;
        for (int i=0;i<=n;++i)
        v[i]=i;
    for (int i=0;i<m;++i)
    {
        fin >> cod >> x >> y;
        if (cod==1)
            uni(x,y);
        else
        {
            check(x,y);
        }
    }
}

int main()
{
    read();


    return 0;
}