Pagini recente » Borderou de evaluare (job #2004393) | Borderou de evaluare (job #2401105) | Borderou de evaluare (job #2151092) | Borderou de evaluare (job #1287974) | Cod sursa (job #2251786)
#include <iostream>
#include <conio.h>
#include <fstream>
using namespace std;
const int NMAX = 1e5 + 10;
int father[NMAX], cnt[NMAX];
int n, m;
inline void Union(int x, int y)
{
cnt[x] += cnt[y];
father[y] = x;
}
int Find(int x)
{
int r = x;
while (father[r] != 0)
r = father[r];
int aux;
while (x != r)
{
aux = father[x];
father[x] = r;
x = aux;
}
return r;
}
int main()
{
ifstream fin("disjoint.in");
ofstream fout("disjoint.out");
fin >> n >> m;
for (int i = 1;i <= n;++i)
cnt[i] = 1;
int op, x, y;
for (int i = 1;i <= m;++i)
{
fin >> op >> x >> y;
x = Find(x);
y = Find(y);
if (op == 1 && x != y)
Union(x, y);
if (op == 2)
fout << ((x == y) ? "DA\n" : "NU\n");
}
fin.close();
fout.close();
return 0;
}