finding the solution for this question is not the problem, but trying to understand.

tips if it helps,

You need two array:

• n dimensional for storing the result of query 1 section.
• temporary arr for storing lastanswer generated from query 2 section.

What are queries: example of provided sample data

• n=2 #query=5
• 1 0 5 = query 1, x=0, y=5
• 1 1 7 = query 1, x=1, y=7
• 1 0 3 = query 1, x=0, y=3
• 2 1 0 = query 2, x=1, y=0
• 2 1 1 = query 2, x=1, y=1