Hide
Problem A
Vinir
Languages
en
is
Image from Pixabay
Input
The first line of the input contains two integers $N$, the number of people present, and $Q$, the number of queries. The next $Q$ lines contain one query each. There are two kinds of queries, 1 a b signifies that Benni saw $1 \leq a \leq n$ and $1 \leq b \leq n$ becoming friends. The other kind of query is of the form 2 a which means Benni wants to know how many friends $a$ has made.
Output
For each query of the type 2 a, print a single line denoting how many friends $a$ has made.
Scoring
|
Group |
Points |
Constraints |
|
1 |
20 |
$1 \leq N,Q \leq 1000$ |
|
2 |
30 |
$1 \leq N,Q \leq 10^5$, all friendships made come before the queries asking for the number of friends. |
|
3 |
50 |
$1 \leq N,Q \leq 10^5$ |
| Sample Input 1 | Sample Output 1 |
|---|---|
2 3 1 1 2 2 1 2 2 |
1 1 |
| Sample Input 2 | Sample Output 2 |
|---|---|
4 5 2 1 1 1 4 2 4 1 3 4 2 3 |
0 1 2 |
