Amarendra Kumar
- 3★psycho1998
India- Professional
- Pioneer Systems And Solutions
- No Active Plan. View Details
Submissions Heat Map
Rating Graph
Ratings System Update
(2026-05-06 22:00:04)DSA Rating Graph
Ratings System Update
(2026-05-11 21:00:00)Learning Paths (1)
Practice Paths (31)
SQL Practice Queries
Python Interview Questions
Practice PHP
Practice JavaScript
Practice C
Practice Arrays
Practice Python
Practice Java
1600 to 1800 difficulty problems
Practice C++
1400 to 1600 difficulty problems
1000 to 1400 difficulty problems
500 to 1000 difficulty problems
500 difficulty rating
Completed
Prefix Sum Problems
Completed
Bit manipulation
Two Pointers and Sliding Window Technique
Number theory
Dynamic programming
Binary Search
Jump from 2* to 3*
Level up from 1* to 2*
Greedy Algorithms
Arrays, Strings & Sorting
Heaps
2D Array / Matrices
Completed
Stacks and Queues
Practice Sorting
Practice Basic Math
Practice Strings
Linked Lists
Contests (30)
Starters 171 (Rated)
Squid Game - Piggy Bank, Advitiya
Starters 172 (Rated)
Time Machine, Streak Star
Starters 173 (Rated upto < 2700)
Time Penalty
Starters 174 (Rated)
Too Much Homework!
Starters 175 (Rated)
Assignment Due, Technex Tickets
Starters 176 (Rated)
Clothing Store, Run for Fun, Costly Summit
Starters 177 (Rated)
Triangle Checking, 2 Boxes
Starters 178 (Rated)
Food Balance, Permutation Construct
Starters 179 (Rated)
Lost in the Fest!!, Conquer the Fest!!
Starters 180 (Rated)
CodeMat
Starters 181 (Rated)
Move Grid, Breaking Sticks
Starters 182 (Rated)
IPL, Bar Queue
Starters 184 (Rated)
One Down, Sum to 0, Multiple of 3
Starters 185 (Rated)
Pizza Split, Balanced Lighting
Starters 186 (Rated)
Distinct Arrays , Jump A or B, Approval Ratings, Best Movie, Chess Win
Starters 187 (Rated)
OR What, Exercise and Rest, Chococut, Incremental Game
Starters 188 (Rated)
Red and Blue Gems, Subset Sum 3, Train Even or Odd
Starters 189 (Rated)
Nutrition Cost, Create Binary String, Distinct 2 Subarray, Pizza Party
Starters 190 (Rated)
Maximum Slams, Number Reduction
Starters 192 (Rated)
Missing Shoes, No Odd Sum, No 3 Please!
Starters 217 (Rated)
Playing with Toys, Add to make Positive
Starters 223 (Unrated)
Cashback
Starters 226
Sub A Add B, Rush to Exam, IceCream Cones
Starters 230 (Rated)
Sets Diff by K, Reselling Items, Passing Exams, Equal Buying
Starters 231 (Rated)
Target Temperature, Recurrence Reachability, Snaky Strings, Imperfect Numbers, Double Discount
Starters 232 (Rated)
Food Resources, Sortable Subarrays, Max Size, Alternating Sum, Set Size, Moderate Temperatures, Vacation Clothes, Equal Difference
Starters 233 (Rated)
AB or C, Median Updates, Tree LCA Sets, K Median, Movie, Cake Discount
Starters 234 (Rated)
Binary Construction, Cooler, Non-Negative Sum
Starters 235 (Rated)
Balanced Positions in a Permutation, MEX Spectrum, Recover Palindrome
Starters 236 (Rated)
Minimize Distinct, Shift And Sort, Cute Substrings, Palindrome Check
Starters 237 (Rated)
Finding All, Avoiding M (Easy), Election, Final Element, Make Triangle, Subset Min Max, DIividing Candies
Monday Munch - DSA Challenge 001 (Rated)
Chef Builds Twitter, Chef Removes Stones, Find the peak elements in an array, Graphs - Capture Regions, Password protection, Superstar Dishes
Monday Munch - DSA Challenge 002 (Rated)
Largest Odd Substring, Shortest Palindrome, Floor and Ceil in a Binary Search Tree, Chef Builds Subsets, Is the i-th bit set, Chef need runs