#K56122. Grid Manipulation and Query
Grid Manipulation and Query
Grid Manipulation and Query
You are given a 2D grid with \(n\) rows and \(m\) columns, initially filled with zeros. You need to process a sequence of \(k\) commands that modify the grid. Each command will be in one of the two formats:
RowAdd r x
: Add the integer \(x\) to every element in row \(r\).ColAdd c x
: Add the integer \(x\) to every element in column \(c\).
After processing the commands, you are given \(q\) queries. Each query provides a pair of integers \( (u, v) \) representing the row and column indices. For each query, output the value at the cell in row \(u\) and column \(v\).
Note: All indices are 1-indexed.
inputFormat
The input is given in the following format from stdin:
n m k command_1 command_2 ... (k commands) q u1 v1 u2 v2 ... (q queries)
Here:
- \(n, m\) are the numbers of rows and columns respectively.
- \(k\) is the number of commands.
- Each command is either in the format
RowAdd r x
orColAdd c x
. - \(q\) is the number of queries.
- Each query consists of two integers \(u\) and \(v\), the cell coordinates.
outputFormat
For each query, print the value in the specified cell on a new line to stdout.
## sample3 3 3
RowAdd 1 5
ColAdd 3 4
RowAdd 2 3
2
1 1
2 3
5
7
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