this repo is for collecting some good resources for cp
https://docs.google.com/document/d/1J2c5zkhvZQ8U2S5PNxZoTQce0MO2JCdPOrnfViZ2Lv8/edit
https://www.topcoder.com/community/competitive-programming/tutorials/
https://codeforces.com/blog/entry/57282
https://codeforces.com/blog/entry/23054
https://www.hackerearth.com/practice/algorithms/searching/linear-search/tutorial/