# Jumping Frog (II) kazi_nayeem Ada Lovelace National Gir...
Limits 2s, 512 MB

A frog wants to cross a river. There are some posts in the river. The frog can go from one post to another by jumping. All the posts are located in a single line and numbered from 1 to $N$ and distance between $i$-th post and $i+1$-th post is 1. Distance between the first post and the starting position is 1 and distance between the $N$-th post and the other side of the river 1. The frog can jump at most $X_i$ distance from $i$-th post. Now you have to answer if there is any path that the frog can take to cross the river.

## Input

Input starts with an integer $T$ ($T ≤ 5$), denoting the number of test cases.

Each case starts with two integers $N$ ($1 ≤ N ≤ 100000$) and $Q$ ($1 ≤ Q ≤ 100000$) where $N$ is the number of posts and $Q$ is number of queries.

The next line contains $N$ integers separated by spaces and the $i$-th integer of this line represents the strength $X$ ($0 ≤ X_i ≤ 1000000000$) of the $i$-th post. Next $Q$ lines will contain two or three integers each. First number $t$ ($1 ≤ t ≤ 2$) represents the type of query.

• If $t = 1$, there will be 2 more integers $p$ ($1 ≤ p ≤ N$), $s$ ($0 ≤ s ≤ 1000000000$) meaning that $p$-th post's strength changes to $s$.

• If $t = 2$, there will be one more integer $s$ meaning that frogs can jump at most $s$ distance from starting point.

## Output

For each case, print the case number in one line and for each query type of 2 output "yes” if the frog can go to other side with current configuration or "no" otherwise in one line.

## Sample

InputOutput
1
5 11
0 0 1 5 3
2 1
2 2
2 3
2 4
2 5
1 4 0
2 1
2 5
2 3
1 1 4
2 1

Case 1:
no
no
yes
yes
yes
no
yes
no
yes ### Submit 