competitive_programming_resouce

Some Resources:

1. 2D prefix Sum:

2. Scanline Algorithm:

3. Monotonic Satck:

4. Monotonic Queue:

5. moore majority voting algorithm

digit dp problem list:

1. count number -> https://cses.fi/problemset/task/2220/
2. digt count -> https://leetcode.com/problems/number-of-digit-one/description/