KAHNA SINGH
- satejansh
India- Student
- University of Allahabad
- No Active Plan. View Details
Submissions Heat Map
Learning Paths (0)
Practice Paths (1)
Contests (73)
December Challenge 2020 Division 2
Hail XOR, Positive Prefixes, Even Pair Sum, Vaccine Production, Vaccine Distribution
December Lunchtime 2020 Division 2 (Unrated)
Sed Sequences
UWCOI 2021 (Rated for all)
Hidden Numbers
Byterace IIT Patna Division 2 (Rated)
The Begining Era Of Cyberverse
January Challenge 2021 Division 3
Fair Elections, Chef and Division 3, Point Of Impact, Encoded String
January Cook-Off 2021 Division 3
Distinct Pair Sums, Password
January Lunchtime 2021 Division 3 (Unrated)
Ashishgup and Interviews, Pair Me, Even Differences, Even Sum
February Challenge 2021 Division 3
Frog Sort, Chef and Meetings, Maximise Function, Highest Divisor
February Lunchtime 2021 Division 3
Daanish and Problems, Smallest Possible Whole Number, Coprime Range
CodeChef Div 3 Rated Contest 2021 Division 3
Body Mass Index, Total Score
March Challenge 2021 Division 3
Interesting XOR!, Chef and Groups, Space Arrays, No Time to Wait
March CodeChef Starters 2021 Division 3 (Rated)
College Life 5, Server Trouble, Nobel Prize, Possible Victory
SPYBITS IIT BHU Division 2 (Rated)
B - Valentine Couples, C - Mission Gotham, A - Save Water Save Life
May Challenge 2021 Division 2 (Rated)
Valid Paths, Tree House, An Interesting Sequence, Xor Equality, Tic Tac Toe, Modular Equation
CodeChef Starters 9 Division 2 (Unrated)
Black cells in a chessboard, Large Square, Bus full of passengers
CodeChef Starters 34 Division 2 (Rated)
Binary Mismatch, Average Array, Good Permutation
May Long Two 2022 Division 4 (Rated)
Practice makes us perfect, Xor Palindrome, Score High, Total Prize Money, Make them Zero, Degree of Polynomial
Starters 40 Division 4 (Unrated)
Difficulty Rating Order, Infinity Staircase, Doubt Support Availability, Good Pairs, Whatsapp Messages, Take discount or Not
July Cook-Off 2022 Division 4 (Rated)
Enough Space, Permutation And Median, K-MEX, Xor Permutation, Chef Drinks Tea, High Accuracy
June Cook-Off 2022 Division 4 (Rated)
Simple XOR, Rating Improvement, Playlist, Break the Stick, First and Last
June Long One 2022 Division 3 (Rated)
Expected move, Chairs Requirement, Subscriptions, Divisible by i , Possible GCD, Alternate Additions
Starters 43 Division 3 (Rated)
DNA Storage
Starters 45 Division 4 (Rated)
Even Equal Odd, Chef and his Apps, Best of Two, Retrieve the Array, Adjacent Sum Parity, Change Row and Column Both
Starters 46 Division 3 (Rated)
Sort the String, MATH1 Enrolment, Group Assignment
Starters 47 Division 3 (Rated)
Similar Heights, Construct N, End Sorted, Minimum Coins
July Lunchtime 2022 Division 3 (Rated)
The Last Levels, Easy Pronunciation, Yet Another Palindrome Making Problem, Maximum Median Matching, Largest Family
July Long Two 2022 Division 2 (Unrated)
Chef in his Office, To Divide or Not To Divide, Insurance
Starters 49 Division 2 (Rated)
Split The String, High Frequency, Monks, Valid Minimum
Starters 50 Division 2 (Rated)
Permutation GCD, Average Permutation
Starters 51 Division 3 (Rated)
Split N, Different Medians, TV Discount, Dominant Element
August Long 2022 Division 2 (Unrated)
Sale Season, Maximum Submissions, Make A and B equal
Starters 57 Division 2 (Unrated)
Alice and Marks, Integers that sum to the same value, Maximum Expression, Even Splits
Starters 59 Division 2 (Rated)
Maximum Subarray , Suspense String, Confusing Concatenations
Starters 62 Division 3 (Rated)
Sorted Substrings, Make Multiple, Final Sum, X Jumps, Test Score
Starters 63 Division 2 (Rated)
One-XOR Deletions, Make Length 1
Starters 65 Division 2 (Rated)
Nahaane Jaa, Candies
November Long 2022 Division 2 (Unrated)
Time Complexity, Water Mixing, String Game
Starters 66 Division 2 (Rated)
Good Binary Strings, Palindrome by Splitting, Just Like Mob!
Starters 67 Division 2 (Rated)
Maximum Angriness, Expensive Steps , Counting Problem
Starters 68 Division 2 (Rated)
Boring String, XOR Product, Expense List, Make Money
December Long 2022 Division 2 (Unrated)
Gcd of Subarrays, Good Investment or Not, Maximise XOR
Starters 79 Division 2 (Rated)
One Stone or Two Stones, Add smallest prime factor, Distinct Opposite Sums
Starters 80 Division 2 (Rated)
Permutation Subsequence, Prefix Permutation, Equal Elements
Starters 81 Division 2 (Unrated)
Distinct Matrix, Divide Pages
Starters 85 Division 2 (Rated)
Crazy Bishops on Chessboard, Efficient PAN Linking, Inside The Stadium
Starters 86 Division 2 (Rated)
Maximise Score
Starters 89 Division 2 (Rated)
Plus 2 or Minus 1, Positive or Negative Subarrays, Subarray Removal
Starters 92 Division 2 (Rated)
Rectangular Tiling, Dividing into Groups, Distance Coloring, Dotify Playlist
Starters 93 Division 2 (Rated)
Problem
Starters 94 Division 2 (Rated)
CodeChef Streak, Possible or Not, The Vowel Matrix
Starters 95 Division 2 (Rated)
Transfusion Chain, EVacuate to Moon
Starters 96 Division 2 (Rated)
Swap the numbers, Remove Multiples
Starters 97 Division 2 (Rated)
Schrodinger Smiley
Starters 98 Division 2 (Rated)
3-Blast Palindrome, Airport Management, Ball Distribution
Starters 99 Division 2 (Rated)
Card Swipe, Exclusion-Inclusion
Starters 101 Division 2 (Rated)
Minimize Xor Difference, Warrior Chef, Lockpicking Chef
Starters 102 Division 2 (Rated)
Bit Play, Array Sum
Starters 103 Division 2 (Rated)
Unique xor, Divisible By 8, Dice Number
Starters 105 Division 2 (Rated)
Take it Easy, Dull Operation
Starters 106 Division 2 (Rated)
Playing with OR, Save People, Guess the winner!
Starters 108 Division 2 (Rated)
Clan Expansion, Palindromic Prime Numbers, Fair Distribution
Starters 109 Division 2 (Rated)
Minimum XOR, Best of N Sets, Alter Ego
Starters 116 Division 2 (Rated)
Chef Product, ORST , Access Control
Starters 117 Division 2 (Rated)
Equality Etiquette, Not Prime Permutation, Spell Shortening
Starters 119 Division 2 (Rated)
Cookie Day, Another Good String , K Odd Sum
Starters 120 Division 2 (Rated)
Sub or Swp
Starters 125 Division 2 (Rated)
Bucket Game, Fake Certificate, Binary Minimal
Starters 126 Division 2 (Rated)
Freedom, Permutation Disturbance
Starters 127 Division 2
ABC Conjecture, Superincreasing, Anti-Triangle
Starters 128 Division 2 (Rated)
MEXimize the Array, Disjoint Non-Decreasing Array
Starters 129 Division 2 (Rated)
Palindromic Substrings, Ballon d Or
Starters 130 Division 2 (Rated)
Make Equal, Alternating Binary String, Good Binary String
Starters 131 Division 2 (Rated)
K-Closeness, Dice Deception, Encrypt Value
Starters 132 Division 2 (Rated)
ALIEN-OR, Optimal Flip, GAME 11
Starters 133 Division 2 (Rated)
ABC Conjecture 3, Powered Parameters, Maximum Alternating Sum
Starters 134 Division 2 (Rated)
Origin, Rock Paper Scissors
Starters 135 Division 2 (Rated)
Invert And Equalize, Change A to B
Starters 153 (Rated)
Butterfly, Another Game