Sourin Majumdar

586 subscribers

67 videos

I am a 3rd year undergrad of Computer Science & Engineering at Vellore Institute of Technology - Amaravathi (AP), India. Created this channel to post coding ...

Latest Videos

2390. Removing Stars From a String - JAVA (Stack + StringBuilder - Detailed explanation)

1020. Number of Enclaves - JAVA (DFS - Detailed explanation)

1254. Number of Closed Islands - JAVA (DFS - Detailed explanation)

2405. Optimal Partition of String - JAVA (Detailed explanation)

881. Boats to Save People - JAVA (Sorting + Greedy - Detailed explanation)

704. Binary Search - JAVA (Detailed explanation + coding)

2492. Minimum Score of a Path Between Two Cities - JAVA (DFS BFS on Graph - Detailed explanation)

2348. Number of Zero-Filled Subarrays - JAVA (Math - Detailed explanation)

605. Can Place Flowers - JAVA (Greedy - Detailed explanation)

2596. Check Knight Tour Configuration - JAVA (Weekly Contest 337)

2595. Number of Even and Odd Bits - JAVA (Weekly Contest 337)

2594. Minimum Time to Repair Cars - JAVA (Biweekly Contest 100)

2593. Find Score of an Array After Marking All Elements - JAVA (Biweekly Contest 100)

2592. Maximize Greatness of an Array - JAVA (Biweekly Contest 100)

1472. Design Browser History - JAVA (Doubly Linked List - Detailed explanation)

208. Implement Trie (Prefix Tree) - JAVA (Detailed explanation)

106. Construct Binary Tree from Inorder and Postorder Traversal - JAVA (Detailed explanation)

958. Check Completeness of a Binary Tree - JAVA (BFS - Detailed explanation)

129. Sum Root to Leaf Numbers - JAVA (BFS DFS - Detailed explanation)

101. Symmetric Tree - JAVA (Iterative Recursive - Detailed explanation)

23. Merge k Sorted Lists - JAVA (Heap Merge 2 sorted lists - Detailed explanation)

2588. Count the Number of Beautiful Subarrays - JAVA (Weekly Contest 336)

2587. Rearrange Array to Maximize Prefix Score - JAVA (Weekly Contest 336)

2586. Count the Number of Vowel Strings in Range - JAVA (Weekly Contest 336)

109. Convert Sorted List to Binary Search Tree - JAVA (Divide & Conquer - Recursion)

382. Linked List Random Node - JAVA (With and without extra space)

142. Linked List Cycle II - JAVA (Hash Set Floyd Cycle Detection - Detailed explanation)

CodeChef Starters 80 (Division 4) Problems A-F - JAVA

875. Koko Eating Bananas - JAVA (Binary Search - Detailed explanation)

2187. Minimum Time to Complete Trips - JAVA (Binary Search - Detailed explanation)