#D4875. Disjoint Set Union
Disjoint Set Union
Disjoint Set Union
You are given an undirected graph with N vertices and 0 edges. Process Q queries of the following types.
0 u v
: Add an edge (u, v).1 u v
: Print 1 if u and v are in the same connected component, 0 otherwise.
Constraints
- 1 \leq N \leq 200,000
- 1 \leq Q \leq 200,000
- 0 \leq u_i, v_i \lt N
Input
Input is given from Standard Input in the following format:
N Q t_1 u_1 v_1 t_2 u_2 v_2 : t_Q u_Q v_Q
出力
For each query of the latter type, print the answer.
Example
Input
4 7 1 0 1 0 0 1 0 2 3 1 0 1 1 1 2 0 0 2 1 1 3
Output
0 1 0 1
inputFormat
Input
Input is given from Standard Input in the following format:
N Q t_1 u_1 v_1 t_2 u_2 v_2 : t_Q u_Q v_Q
出力
For each query of the latter type, print the answer.
Example
Input
4 7 1 0 1 0 0 1 0 2 3 1 0 1 1 1 2 0 0 2 1 1 3
outputFormat
Output
0 1 0 1
样例
4 7
1 0 1
0 0 1
0 2 3
1 0 1
1 1 2
0 0 2
1 1 3
0
1
0
1
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