Raj singh
- 4★ofrajsingh
India- Student
- Gautam Buddha University, Greater Noida
- No Active Plan. View Details
Submissions Heat Map
Rating Graph
Ratings System Update
(2024-05-08 22:00:02)Ratings System Update
(2022-12-20 00:00:00)Learning Paths (0)
None
Practice Paths (0)
None
Contests (83)
June Challenge 2021 Division 3 (Rated)
Shortest Route, Bella ciao, Summer Heat
June Cook-Off 2021 Division 3
ICPC Balloons, Chefland Visa
June CodeChef Starters 2021 Division 3 (Rated)
Chess Match, Cyclic Quadrilateral
July Challenge 2021 Division 3 (Rated)
XxOoRr, Chef vs Bharat, Optimal Denomination, Maximum Production, Relativity
July Cook-Off 2021 Division 2
XOR-ORED
July Lunchtime 2021 Division 2
Beautiful Pairs
CodeChef Starters 6 Division 3 (Rated)
Joker and Batman, Three Dices, Cricket Ranking
CodeChef Starters 7 Division 2 (Unrated)
Chess Format, Food Chain
August Lunchtime 2021 Division 3
K-th Maximum, Maximum Length Even Subarray, Programming Languages, Just a Graph
CodeChef Starters 9 Division 3 (Rated)
Black cells in a chessboard, Large Square, Bus full of passengers
CodeChef Starters 10 Division 2 (Rated)
Maximise the Subsequence Sum, Remove One Element
AlgoManiac - Code For Future Division 2 (Unrated)
Say No To Drugs, The Old Saint And Three Questions, Meet In The Median
SnackDown 2021 - Online Qualifiers
Lucky Number, Maximum Number Of Distinct Elements
CodeChef Starters 11 Division 2 (Rated)
The Grid Fill Problem, Obtain the Sum
CodeChef Starters 13 Division 3 (Rated)
Chef in Vaccination Queue, Maximum Light Up, The Preparations, Magical Doors
CodeChef Starters 14 Division 3 (Rated)
Diagonal movement, FIXFIX, RCB and Playoffs
October Challenge 2021 Division 3 (Rated)
Longest AND Subarray, Digit Removal, MEX-OR, Three Boxes, Which Mixture
CodeChef Starters 16 Division 2 (Unrated)
Professor And Directions
October Lunchtime 2021 Division 3
Alternating Work Days, Exactly N plus 1 Values, Problem Category
SnackDown 2021 - Online Round 1A
Round Robin Ranks , Dance Moves, Min Max LCM
November Challenge 2021 Division 3 (Rated)
Weird Palindrome Making, Hill Sequence, Equal Coins, Which Fuel is Cheaper
November Cook-Off 2021 Division 2
Missing Sums, Make it Divisible
CodeChef Starters 17 Division 2 (Rated)
Binary Inversion, GCD of Prefixes, New Piece
CodeChef Starters 18 Division 2 (Unrated)
Compare those strings, Make them equal
CodeChef Starters 19 Division 2 (Rated)
Indivisible Permutation
CodeChef Starters 20 Division 2 (Unrated)
Genes
C.O.D.E.R.S Division 2 (Rated)
The One On The Last Night
FizzBuzz Division 2 (Rated)
Can_Reach
November Lunchtime 2021 Division 3
Minimum Number of Pizzas, Chef and Stock Prices
December Lunchtime 2021 Division 2
Maximum Trio, Romantic Reversals
CodeChef Starters 21 Division 2 (Rated)
Akash and Grid
CodeChef Starters 22 Division 2 (Rated)
An Interesting Sequence, Even Subset Xor, Equal LIS
Infinity 2k21 Division 2 (Rated)
Marbles
Code Drive Division 2 (Rated)
Count Number of Peaks
Exun 2021-22 Division 2 (Rated)
Sarthak and his Magic Grid, Vedant and his Hidden Array
CodeChef Starters 24 Division 2 (Rated)
Anti Palindrome, Avoid Contact, Yet Another Constructive Problem
February Long 2022 - I, Division 2 (Unrated)
Binary Base Basics, Bitwise Blend, N Queens Puzzle Solved !
CodeChef Starters 25 Division 2 (Rated)
Building Towers, Equal MEX, Points and Lines
February Cook-Off 2022 Division 2
Perfect Permutation, PerMEXuation , Prefix Permutation
February Long 2022 - II, Division 2 (Unrated)
Avoid Fixed Points, Xor Palindrome
CodeChef Starters 27 Division 2 (Rated)
String Reverse, Distinct Binary Strings, The product mystery
February Lunchtime 2022 Division 2
Four Equidistant Points on a Grid, Parallel Processing, Magnet Sort
CodeChef Starters 28 Division 2 (Rated)
Count the Holidays
CodeChef Starters 29 Division 2 (Rated)
String protocol, Plusle and Minun on Array, Decomposition Reaction
March Cook-Off 2022 Division 2
Fixed Weight, Janmansh at Fruit Market, Equal Mex Splitting, Alternating Divisibility
CodeChef Starters 32 Division 2 (Rated)
Maximize the Minimum, Finding Shoes, Flip Sorting
April Cook-Off 2022 Division 2
Sticks and Rectangles
CodeChef Starters 33 Division 2 (Rated)
Distinct Dilemma, Broken Life, Non Adjacent Flips, Make Them Equal
CodeChef Starters 34 Division 2 (Rated)
Binary Mismatch, Average Array, Binary String Xor
April Lunchtime 2022 Division 2(Rated)
Buckets Full of Candies, Pair Pain
Starters 35 Division 2 (Rated)
Jump to Sibling, Dark Light
May Cook-Off 2022 Division 2 (Rated)
Different Subarrays Rearrange, Doubled Distances
Starters 37 Division 2 (Rated)
Dazzling Even-Odd Challenge, Beat the Average, Infernos, Maximum OR Minimum
Starters 38 Division 2 (Rated)
Good Pairs, Circular Track
May Lunchtime 2022 Division 2 (Rated)
Bucket and Water Flow
Starters 39 Division 2 (Rated)
Compress the Video, Crazy Substrings, Minimize Blocked Roads, Closest Vowels, Even Subarray XOR
May Long Two 2022 Division 2 (Unrated)
Xor Palindrome, Subarrays with length, Make them Zero
June Cook-Off 2022 Division 2 (Rated)
Simple XOR, Break the Stick
Starters 42 Division 2 (Rated)
Maximise Set Bits , Minimum or Maximum, Divisible by 3
Starters 43 Division 2 (Rated)
The Optimal Pairs, Distinct Palindrome
July Long One 2022 Division 2 (Unrated)
Slow Solution
July Lunchtime 2022 Division 2 (Rated)
Easy Pronunciation, Yet Another Palindrome Making Problem, Maximum Median Matching, Largest Family
Starters 52 Division 2 (Unrated)
Minimum Sum
Starters 53 Division 2 (Rated)
Black&White Ring Game, Make A and B equal
Starters 55 Division 2 (Rated)
Non Zero Xor, Balls and Boxes, Mean and Median, OR Tuples
Starters 56 Division 2 (Rated)
K-Subarrays, Maximize Colours
September Lunchtime 2022 Division 2 (Rated) (Based on EJOI)
Stick Break, Permutation Creation, Increasing Addition
Starters 57 Division 2 (Unrated)
Maximum Expression, Even Splits, Two Different Palindromes
Starters 59 Division 2 (Rated)
Maximum Subarray , Suspense String, Confusing Concatenations, Alternative Sufferings
Starters 60 Division 2 (Rated)
Distinct Numbers, Yet Another Palindrome Problem, Palindrome Flipping
Starters 61 Division 2 (Rated)
Minimise LCS, Weird Subarrays, Subarray Removal
Starters 62 Division 2 (Rated)
Joint XOR, Sorted Substrings, Make Multiple, Final Sum, Pythagorean Pair
Starters 63 Division 2 (Rated)
Maximize 1s, One-XOR Deletions, Make Length 1, Minimum Absolute Score, Greedy Grid Moves
Starters 64 Division 2 (Rated)
Luigi and Uniformity, Range Assign, Number of Distinct Elements Minimize, Prime Factor Division, Distinct Neighbours
Starters 65 Division 2 (Rated)
Nahaane Jaa, Candies, Binod
Starters 66 Division 2 (Rated)
Good Binary Strings, Palindrome by Splitting, Just Like Mob!
Starters 68 Division 2 (Rated)
Boring String, XOR Product, Expense List, Make Money
Starters 69 Division 2 (Rated)
Akash and Dinner, Distinct Sequence, Longest Subarray
Starters 71 Division 2 (Rated)
Pet Store, Flip the Prefix
Starters 72 Division 2 (Rated)
N Triplets
Starters 73 Division 2 (Rated)
Consecutive Xor, Append for OR
February Cook-Off 2023 Division 2 (Rated)
Take Not Less, Alice Potter And Dumbledore Army, Permutation and Modulus, Minimum Beauty
Starters 77 Division 2 (Rated)
Concat Palindrome, Three Numbers
Starters 79 Division 2 (Rated)
Mountain, One Stone or Two Stones, Add smallest prime factor, Distinct Opposite Sums
Starters 81 Division 2 (Unrated)
Distinct Matrix, Divide Pages
Starters 82 Division 2 (Rated)
Make A-B Same, Difference Matrix, MIN To MAX
Starters 84 Division 2 (Rated)
Max count of 1, Digit Operation, Max Binary, Chef And Adjacent Sums
Starters 85 Division 2 (Rated)
Crazy Bishops on Chessboard, Efficient PAN Linking, Inside The Stadium, TripTastic
Starters 86 Division 2 (Rated)
String Game , Largest Y, Maximise Score
Starters 83 Division 2 (Rated)
Construct String, Order by XOR
Starters 88 Division 2 (Rated)
Maximum And Or, Chef and Asteroids, Unstable Subarray
Starters 89 Division 2 (Rated)
Plus 2 or Minus 1, Positive or Negative Subarrays, Subarray Removal, Two Averages
Starters 129 Division 1 (Rated till 5-Stars)
Palindromic Substrings
Starters 133 Division 2 (Rated)
Powered Parameters, Maximum Alternating Sum