Register for free in Coding Contest: [a]https%3A%2F%2Fbit.ly%2FRV_CodeRushX[/a] <br> <br>Full Course: [a]https%3A%2F%2Ftakeuforward.org%2Fstrivers-a2z-dsa-course%2Fstrivers-a2z-dsa-course-sheet-2%2F[/a] <br> <br>Notes: [a]https%3A%2F%2Ftakeuforward.org%2Fhashing%2Fhashing-maps-time-complexity-collisions-division-rule-of-hashing-strivers-a2z-dsa-course%2F[/a] <br> <br>You can follow me across social media, all my handles are below: <br>Linkedin/Instagram/Telegram: [a]https%3A%2F%2Flinktr.ee%2FtakeUforward[/a] <br> <br>0:00 Introduction <br>2:01 Why Hashing ? <br>10:43 Problem 1 - Count elements of array <br>14:00 Problem 1 - Code <br>18:06 Maximum hash Array size (Main Vs Global) <br>22:06 Character Hashing &amp; Problem - 2 <br>30:16 Problem - 2 Code <br>33:52 Map / Hash Map <br>38:39 Problem - 1 Code by map <br>42:03 Problem - 2 Code by map <br>43:00 Time Complexity (map), unordered_map <br>47:00 Hashing Methods <br>54:30 Collision <br>58:30 Homework <br>59:56 Outro