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| import java.io.*;
import java.util.*;
public class Solution {
public static int n, m, T, tc = 1, i, c, a, b;
public static int[] g = new int[1000001];
public static Reader r = new Reader();
public static BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
public static void main(String[] args) throws Exception {
T = r.nextInt();
while (T--!=0) {
n = r.nextInt();
m = r.nextInt();
bw.write("#" + tc++ + " " );
for(i = 1; i <= n; ++i)
g[i] = i;
for(i = 0; i < m; ++i) {
switch (r.nextInt()) {
case 0:
a = getG(r.nextInt());
b = getG(r.nextInt());
g[a] = g[b] = Math.min(a,b);
break;
case 1:
a = getG(r.nextInt());
b = getG(r.nextInt());
if(a==b) bw.write('1');
else bw.write('0');
break;
default: break;
}
}
bw.write("\n");
}
bw.flush();
}
public static int getG(int n) {
return n == g[n] ? n : (g[n] = getG(g[n]));
}
static class Reader {
final private int BUFFER_SIZE = 1 << 16;
private DataInputStream din;
private byte[] buffer;
private int bufferPointer, bytesRead;
public Reader() {
din = new DataInputStream(System.in);
buffer = new byte[BUFFER_SIZE];
bufferPointer = bytesRead = 0;
}
public int nextInt() throws IOException {
int ret = 0;
byte c = read();
while (c <= ' ')
c = read();
do {
ret = (ret<<3) + (ret<<1) + (c & 0b1111);
} while ((c = read()) >= '0' && c <= '9');
return ret;
}
private void fillBuffer() throws IOException {
bytesRead = din.read(buffer, bufferPointer = 0, BUFFER_SIZE);
if (bytesRead == -1)
buffer[0] = -1;
}
private byte read() throws IOException {
if (bufferPointer == bytesRead)
fillBuffer();
return buffer[bufferPointer++];
}
}
}
|
