Day 40 of #100DaysOfCode

- wake up 10:30 a.m
- No fap ✅️ (1)
- 7hr+ sleep ✅️
- Gym ❌️
- 3L+ water ✅️
- No sugar ✅️

Dev: Worked on Authentication of DoubtDesk 

DSA: Solved 2 hard problems on Graphs.