Slides :
https://www.canva.com/design/DAG11SuXTmk/XhTD41i3ruTMWUQ2T6w-rw/view
codes :
- https://ideone.com/vBO0ho
- Two Sum Leet Code
- https://leetcode.com/problems/two-sum/
- https://ideone.com/9f3jUX
- https://ideone.com/x1i1BH
- https://ideone.com/5e6R0z
- https://ideone.com/ULUx54
- https://atcoder.jp/contests/abc231/tasks/abc231_c
- https://ideone.com/uQ4UmU
- https://www.spoj.com/problems/AGGRCOW/
- https://ideone.com/kgnFS7
- https://codeforces.com/contest/670/problem/D2
- https://ideone.com/Kfmhfs
- https://ideone.com/bxejuK
