3335. Total Characters in String After Transformations I | Math | Frequency Map | LeetCode | Medium

3335. Total Characters in String After Transformations I | Math | Frequency Map | LeetCode | Medium

3332. Maximum Points Tourist Can Earn | Recursion | Memoization | LeetCode | Medium | DP

1233. Remove Sub-Folders from the Filesystem | String | Sorting | LeetCode | Medium

951. Flip Equivalent Binary Trees | Tree | Binary Tree | DFS | Recursion | O(N) | LeetCode | Medium

2641. Cousins in Binary Tree II | Tree | BFS | Binary Tree | O(N) | LeetCode | Medium

American Express | Honeywell | ZS | NTT Data | Apply | Off Campus | CS | IT | EE | Batch 2025 2024

2583. Kth Largest Sum in a Binary Tree | Queue | Sorting | O(N) | LeetCode | Medium | Binary Tree

1106. Parsing A Boolean Expression l Recursion l LeetCode l Hard

670. Maximum Swap l Greedy l Math l LeetCode l Medium

1405. Longest Happy String l Priority Queue l Greedy l String l LeetCode l Medium

2938. Separate Black and White Balls l Two Pointer l Greedy l LeetCode l Medium

2530. Maximal Score After Applying K Operations l Priority Queue l Heap l LeetCode l Medium