Harshvardhan Singh
Rookie League
- hvsr29march200
India- Other
- No Active Plan. View Details
Submissions Heat Map
Learning Paths (7)
Dynamic programming
Machine Learning
Linked Lists
Searching and Sorting Algorithms
Time complexity
Beginner DSA in C++
C++ Problem Solving
Practice Paths (28)
1600 to 1800 difficulty problems
Bit manipulation
Jump from 2* to 3*
Binary Search
1400 to 1600 difficulty problems
500 to 1000 difficulty problems
Heaps
Two Pointers and Sliding Window Technique
Practice Python
Data Structures Interview Questions
1000 to 1400 difficulty problems
2D Array / Matrices
Number theory
Level up from 1* to 2*
Greedy Algorithms
Projects using HTML / CSS
Arrays, Strings & Sorting
Practice Arrays
Easy C++ puzzles
Stacks and Queues
Practice Sorting
Practice Strings
Amazon Coding Interview Questions
500 difficulty rating
Completed
Practice Basic Math
Linked Lists
Practice C
Practice C++
Contests (81)
Starters 119 Division 4 (Rated)
Advitiya, Judged
Starters 120 Division 4 (Rated)
Valentines Contest, Sub or Swp, Valentine Gifts
Starters 121 Division 4 (Rated)
Leg Space
Starters 123 Division 4 (Rated)
Room Allocation, Algomaniac Finals, Minimum And Maximum II
Starters 122 Division 4 (Rated)
Healthy Sleep, Problem Reviews, Man of the Match
Starters 124 Division 4 (Rated)
Summer Time, Cricket Tournament
Starters 125 Division 4 (Rated)
Overspeeding, 50-50 Rule, Fake Certificate
Starters 126 Division 4 (Rated)
AC Please, Dice Game 3, Permutation Disturbance
Starters 127 Division 4
The Ides of March, Extreme Basketball
Starters 128 Division 4 (Rated)
Moody Chef, Reach 5 Star
Starters 129 Division 4 (Rated)
Football Training, Pep Bidding, Ballon d Or
Starters 130 Division 4 (Rated)
Make Equal, Alternating Binary String, Giant Wheel, Swapping Marks Digits
Starters 131 Division 4 (Rated)
Remaining Neighborhoods, Gotta Catch Em All, Dice Deception
Starters 132 Division 4 (Rated)
Change Please, ICE CREAM
Starters 133 Division 4 (Rated)
Legs on a Farm, Devouring Donuts, Maximum Alternating Sum
Starters 135 Division 3 (Rated)
Invert And Equalize, Football Ties, RCB vs CSK
Starters 136 Division 3 ( Rated )
My First Geometry Problem
Starters 137 Division 4 (Rated)
Election Hopes, Spell Splice
Starters 138 Division 4 (Rated)
Heat Wave, Long Drive
Starters 139 Division 4 (Rated)
Distribute Cookies, Television Channels
Starters 140 Division 4 (Rated)
Make Permutation, Yoga Day, Yoga Class
Starters 141 Division 4 (Rated)
Nearly Equal, Lucky Clover
Starters 142 Division 4 (Rated)
Chef loves Pizza Chef loves halfs, Writing Speed, Penalty Shoot-out
Starters 143 Division 4 (Rated)
Non-Divisor Array, International Justice Day, Maximum Coins
Starters 144 Division 3 (Rated)
Capital Gain Tax, Budget Allotment, Savings Account
Starters 145 Division 3 (Rated)
Volume Comparison, Gun Master
Starters 147 Division 4 (Rated till 5 stars)
Truth Teller And Liars 101, Independence Day 101, Gold Coins 101
Starters 148 Division 3 (Rated)
Let Me Eat Cake!, Clearance Sale, FightBots
Starters 149 (Rated)
Magical World, Easy Subarray Sum, Approximate Answer
Starters 150 (Rated)
Find Multiset State, IOI 2024, Ratio By 2
Starters 151 (rated)
Convert string, International Gym Day, Weightlifting
Starters 152 (Rated)
Winning World Finals, Range Minimize
Starters 153 (Rated)
AI is Coming, Butterfly, Another Game
Starters 154 (Rated)
Add 1 or 2 Game, Calorie Limit, Coldplay Tickets
Starters 155 (Rated)
Chef and Parole, GCD to 1 (Easy), GCD to 1 (Hard), Rectangled
Starters 157 (Rated)
Not-too-far Replacement, Glass Prices, Non-matching Name, Normal is Good (Easy)
Starters 158 (Rated)
Diwali Discount, Even vs Odd Divisors
Starters 163 (Rated)
Chef and Socks, Binary Sum, Minimum Types
Starters 164 (Rated)
New-Pro Coder, Itz Simple, Construct Permutation, Swap and Flip
Starters 165 (Rated)
Christmas Cake, Poster Perimeter, Bulk Discount
Starters 166 (Rated)
Distinct Power, Chefland Library, Christmas Gifts, Merry Christmas!
Starters 167 (Rated)
Happy New Year!, Lottery Tickets, Delete Not Equal
Starters 168 (Rated)
Can You Bench, Make Odd, Big Achiever
Starters 169 (Rated)
Hamming equivalent, Opposite Attract, Entry Check
Starters 170 (Rated)
Access Code Equality, Monster Monster, Minimum Bottles
Starters 171 (Rated)
Squid Game - Piggy Bank, Swish Game, Advitiya
Starters 172 (Rated)
Time Machine, Small Palindrome, Streak Star
Starters 173 (Rated upto < 2700)
Cool Subsequences, Time Penalty
Starters 174 (Rated)
Too Much Homework!, Bigger is Better, Deletion and Difference
Starters 175 (Rated)
Assignment Due, Technex Tickets
Starters 176 (Rated)
Clothing Store, Run for Fun, Costly Summit
Starters 177 (Rated)
Ordered Distances, Triangle Checking, 2 Boxes
Starters 178 (Rated)
Food Balance, Placing 01 And 10, Permutation Construct
Starters 179 (Rated)
Lost in the Fest!!, Conquer the Fest!!
Starters 181 (Rated)
Flip Prefix, Find Outside Array, Move Grid, Breaking Sticks
Starters 182 (Rated)
IPL, Bar Queue, Beautiful Garden, Palindromic Score
Starters 183 (Rated)
S to T, Larger Smaller, Max Sixers, Max Triangle
Starters 189 (Rated)
Nutrition Cost, Create Binary String, Distinct 2 Subarray, Pizza Party, Sortable Subarrays (Easy)
Starters 190 (Rated)
Subsequence Sort, Maximum Slams, Number Reduction, Light All, Min-Max Deletion, Parry It! (Easy)
Starters 192 (Rated)
Missing Shoes, Security Lines, No Odd Sum, Equate XY, No 3 Please!
Starters 193 (Rated)
Add Permutation, Check Odd Even Divisors, Count Odd Even Divisors, Rectangle and Square
Starters 195 (Rated)
Game (Easy), Selling Sandwiches, Failing Grades, Marble Collector
Starters 196 (Rated)
More Cookies, Cloud Watching, Sugar Limit, Append Average
Starters 197 (Rated)
Good Ranking (Pair), Independence Day, All Odd Prefix Sums, Bowling Balls, Split
Starters 199 (Rated)
Fence Colouring, Grid MEX, Subtract or Divide, Brick Comparisions, Cake Making
Starters 200 (Rated)
Random NIM, Restrict Palindromes, Chef Bakes Cake, Good Subsequence
Starters 201 (Rated)
Huge Grid (Easy Version), Selling Coins, Mixing Liquids, Mark Points
Starters 202 (Rated)
Endless Play, Buying Flowers, If Only I Could Read, Two Rolls
Starters 203 (Rated)
Maximum MST, Cab Rides, Coloured Orbs, Passing Grade
Starters 206 (Rated)
Cyclic Shift Minimization, Min Steps, Remaining Money, Gladiator Fighting, Prime Sum, Expensive Buying
Starters 207 (Rated)
Adjacent Sums, Make Subarray, Tourist, Gambling
Starters 208 (Rated)
GCND, Spring Cleaning, Sabotage, Alternate Jumps, Cycle and Add
Starters 209 (Rated)
Binary Love, Tactical Conversion, Bitcoin Market, Small GCD Sort, Divisible Duel, High Score (Easy Version)
Starters 210 (Rated)
Delete Sorted Subsequence, Chocolate Eating, Profits, Notebook Counting, First Element Counting
Starters 213 (Rated)
Mean Difference (Easy), Exun and the Pizzas, EXML Race, Separation, No 4 Please
Starters 215 (Rated)
Product Sum Arrays (Easy), Differing Values, Special Missions, Competition of 4
Starters 216 (Rated)
XOR Equal Subtract, Scoring, Best Seats, Entertainments
Starters 217 (Rated)
Make An AP, Range MEX, Max Adds, Playing with Toys, Add to make Positive, Add 1 or 3
Starters 218 (Rated)
Collatz Conjecture (Hard), Collatz Conjecture (Easy), Deleting Array Again, Counting Optimal Arrays, Christmas Trees, Coloured Balloons, Stop The Count
Starters 219 (Rated)
New Operation, 3 Paths , Ones and Zeroes II, Pizza Comparision, Ones and Zeroes I, Cake Baking
Starters 221 (Rated)
Protein Diet, Rectangle Coloring, Odd Operations, Three Strings Problem (Easy Version), Odd String, Winter is Coming
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