Aryan Mittal

Minimum Path Sum || Dynamic Programming(4 Methods) || Recursion || C++/Java/Python

1457. Pseudo-Palindromic Paths in a Binary Tree | Tree | Xor | Count set bits | Bit Manipulation

150. Evaluate Reverse Polish Notation | Stack | Hot Interview Question 🔥

Codeforces Round 640 (Div 4)- Problem F. Binary String Reconstruction

205. Isomorphic Strings | Hash Map | Strings | Yandex | Adobe | Bloomberg | Google | Yahoo

2709. Greatest Common Divisor Traversal | Prime Number | Prime Factors | Graph | DFS | DSU

974. Subarray Sums Divisible by K | PrefSum | Not an Easy Problem

523. Continuous Subarray Sum | Prefix Sums | Hash Map | Meta

5. Longest Palindromic Substring | Day 001 | Brute - Better - Optimal | 2 Pointers | DP

945. Minimum Increment to Make Array Unique | Greedy | Counting Sort

907. Sum of Subarray Minimums | Monotonic Stack | Brute - Better - Optimal

Codeforces Round 659 (Div 2) , Problem C. String Transformation 1

3128. Right Triangles | Math | Array | Biweekly Contest 129

Codeforces Global Round 8 , Problem B. Codeforces Subsequences

Codeforces Round 648 (Div 2) , Problem B. Trouble Sort

Codeforces Round 646 (Div 2) , Problem B. Subsequence Hate

Codeforces Educational Round 86 - Problem B. Binary Period

Codeforces Round 633 - Problem B ( Sorted Adjacent Differences )

AtCoder beginner Contest 164 - Problem B

Codeforces Round 647 (Div 2) , Problem B. Johnny and His Hobbies

Codeforces Round 637 (Div 2) - Problem B. Nastya and Door

Codeforces Round 638 - Problem B. Phoenix and Beauty

Codeforces Round 635 - Problem B. Kana and Dragon Quest game

Codeeforces Educational Round 85 - Problem B ( Middle Class )

Minimum Cost to Make Array Equal II Ternary Search II Weighted Median II Binary Search II Greedy

3012. Minimize Length of Array Using Operations | Cases Problem | Tricky

Smallest Number in Infinite Set | Ordered Set | Priority Queue | Fastest Approach | Leetcode 2336

3105. Longest Strictly Increasing or Strictly Decreasing Subarray | Array | Sliding Window

Maximize Score After N Operations of Leetcode || DP with Bitmasking || C++/Java/Python || DP

NO BS 😱 | Leetcode Premium Bypass | Download Fasttt

3122. Minimum Number of Operations to Satisfy Conditions | DP & Not Greedy

Bulb Switcher || Programming Maths || Leetcode 319 || Microsoft Interview Question

🔴Live Discussion🔴 || Leetcode Weekly Contest 351 || Sunday 11:30AM IST || By Aryan Mittal

🔴Live Discussion🔴 || Leetcode Weekly Contest 354 || Sunday 11:30AM IST || By Aryan Mittal

3193. Count the Number of Inversions | DP Time Complexity | Two Pointer | DP Space Optimized

791. Custom Sort String | 2 Approaches | Custom Comparator | Hash Map | Meta

3068. Find the Maximum Sum of Node Values | Bit Manipulation | Tree | Graphs

Lecture 02 - Graph Representation Adjacency List & Adjacency Matrix

🔴Live Discussion🔴 || Leetcode Weekly Contest 353 || Sunday 11:30AM IST || By Aryan Mittal

3186. Maximum Total Damage With Spell Casting | DP + Binary Search | Same as LIS

2971. Find Polygon With the Largest Perimeter | Greedy | Prefix Sums

Minimum Operations to Reduce an Integer to 0 || Leetcode-2571 || C++

Minimum Operations to Make All Array Elements Equal || Binary Search || Prefix Sums || Leetcode 2602

3139. Minimum Cost to Equalize Array | Cases | Reduce values in Pairs Trick | Greedy | Math

3013. Divide an Array Into Subarrays With Minimum Cost II | Sliding Window | Multisets

3108. Minimum Cost Walk in Weighted Graph | Graph | Bit Manipulation (And Operation)

Number of Increasing Paths in a Grid II DFS II DP II Graph II Recursion II Leetcode 2328

3196. Maximize Total Cost of Alternating Subarrays | DP | 0/1 Knapsack

Minimum Penalty for a Shop II Prefix Sums II Suffix Sums II Leetcode 2483

Minimum Cost For Tickets || Recursion - DP - DP Optimized || C++/Java/Python