Cod sursa(job #2142372)

Utilizator inquisitorAnders inquisitor Data 24 februarie 2018 23:00:26
Problema Paduri de multimi disjuncte Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 1.12 kb
#include <fstream>
#include <cstdio>

using namespace std;

int t[100001];

int root(int x)
{
    int y = x, next;

    while(t[y])
    {
        y = t[y];
    }

    while(t[x])
    {
        next = t[x];

        t[x] = y;

        x = next;
    }

    return y;
}

char outBuffer[300000]; int p = -1;

int main()
{
    //ifstream fin("disjoint.in");
    freopen("disjoint.in", "r", stdin);
    freopen("disjoint.out", "w", stdout);

    int n, m, cod, x, y;

    scanf("%d %d", &n, &m);

    //fin >> n >> m;

    while(m--)
    {
        scanf("%d %d %d", &cod, &x, &y);

        //fin >> cod >> x >> y;

        if(cod & 1)
        {
            t[root(x)] = root(y);
        }
        else
        {
            if(root(x) ^ root(y))
            {
                outBuffer[++p] = 78;
                outBuffer[++p] = 85;
                outBuffer[++p] = 10;
            }
            else
            {
                outBuffer[++p] = 68;
                outBuffer[++p] = 65;
                outBuffer[++p] = 10;
            }
        }
    }

    puts(outBuffer);
}