Badal Kumar
- badalarya
India- Student
- Bhagalpur College of Engineering Bihar, India
- No Active Plan. View Details
Activity Heat Map
Learning Paths (1)
Practice Paths (3)
Contests (89)
June Cook-Off 2022 Division 4 (Rated)
Rating Improvement, Playlist, First and Last
Starters 42 Division 4 (Rated)
Divisible by 3, How Many Maximums, Age Limit, Equal Distribution, Minimum number of Flips
June Long One 2022 Division 4 (Rated)
Expected move, Reduce to zero, Chairs Requirement, Subscriptions, Divisible by i , Possible GCD, Alternate Additions, Equal Strings
Starters 44 Division 4 (Rated)
Biryani classes, Air Hockey, Jogging
Starters 43 Division 4 (Rated)
Burgers, DNA Storage, Joining Date, Waiting Time
June Lunchtime 2022 Division 4 (Rated)
It is My Serve, Too many Floors, Determine the Score
June Long Two 2022 Division 4 (Rated)
Count the ACs, Make all equal using Pairs, Complementary Strand in a DNA, Fitness
Starters 46 Division 4 (Rated)
Sort the String, Counting Words, MATH1 Enrolment, Group Assignment
Starters 55 Division 4 (Rated)
Balls and Boxes, Permutation Clear, Fever, Broken Phone
September Long 2022 Division 4 (Rated)
Speed Limit Test, Bob at the Bank, Chef and Wire Frames, Interesting Subarray, Good Pairs
Starters 56 Division 3 (Rated)
K-Subarrays, Nearest Exit, Maximize Colours, Far Away
Starters 57 Division 3 (Rated)
Maximum Expression, Even Splits, Non-Negative Product, Two Different Palindromes
Starters 59 Division 3 (Rated)
Chef and Happy String , Maximum Subarray , Suspense String, Confusing Concatenations
October Long 2022 Division 3 (Rated)
Building Race, Single Operation Part 1, Single Operation Part 2
Starters 60 Division 3 (Rated)
Distinct Numbers, Yet Another Palindrome Problem, Paper Cutting, Palindrome Flipping, Card Removal
Starters 62 Division 3 (Rated)
Sorted Substrings, Final Sum, X Jumps, Test Score
Starters 64 Division 3 (Rated)
Mario and the Broken String, Luigi and Uniformity, Range Assign, Number of Distinct Elements Minimize, Distinct Colors, Water Consumption
Starters 65 Division 2 (Rated)
Nahaane Jaa, Candies
November Long 2022 Division 2 (Unrated)
Split and Maximize, Spliting Balls, String Game
Starters 66 Division 2 (Rated)
Good Binary Strings, Palindrome by Splitting, Palindrome In Making
Starters 67 Division 2 (Rated)
Maximum Angriness, Expensive Steps , Counting Problem
Starters 71 Division 2 (Rated)
Pet Store
December Long 2022 Division 2 (Unrated)
Maximise XOR
Starters 77 Division 2 (Rated)
Concat Palindrome, Three Numbers
Starters 78 Division 2 (Rated)
Valid Expression, Solve More Problems!
Starters 80 Division 2 (Rated)
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)
String Game , Maximise Score
Starters 87 Division 2 (Rated)
Inversions of subsequences, Existence, AB plus C
Starters 83 Division 2 (Rated)
Construct String
Starters 89 Division 2 (Rated)
Plus 2 or Minus 1, Positive or Negative Subarrays, Subarray Removal, Two Averages
Starters 90 Division 2 (Rated)
Crushed Apples and a Balance Scale, Sum of Goodness, Printing Binary Array, Anti Palindrome
Starters 91 Division 2 (Rated)
Odd GCD Permutation, Chef Odd, Blobby Volley Scores, Maximum Sum Permutation
Starters 92 Division 2 (Rated)
Rectangular Tiling, Dividing into Groups, Distance Coloring, Dotify Playlist
Starters 94 Division 2 (Rated)
CodeChef Streak, The Vowel Matrix
Starters 95 Division 2 (Rated)
Alt-Tab, Boxes, Transfusion Chain, EVacuate to Moon
Starters 97 Division 2 (Rated)
Schrodinger Smiley, No Palindrome, Triplets Min
Starters 100 Division 2 (Rated)
Prime Permutation, Stamps 100
Starters 101 Division 2 (Rated)
Warrior Chef, Lockpicking Chef
Starters 102 Division 2 (Rated)
Parity Permutation, Bit Play, Array Sum
Starters 106 Division 2 (Rated)
Playing with OR, Save People, Guess the winner!
Starters 107 Division 2 (Rated)
Maximal Expression, Adjacent Flips, Rock Paper Scissor, OR Permutation
Starters 109 Division 2 (Rated)
Minimum XOR, Best of N Sets
Starters 111 Division 2 (Rated)
Prefixing, Beautiful Strings, Reach Codetown
Starters 113 Division 2 (Rated)
Minimise Maximum Subarray Sum, Maximum Score , Sum Neq
Starters 114 Division 2 (Rated)
Game on Array, Rock-Paper-Scissors, Christmas Candy
Starters 115 Division 2 (Rated)
Greedy LIS Algorithm, A PLUS B Remastered, Decorating Christmas Tree
Starters 116 Division 2 (Rated)
Chef Product, ORST , Access Control
Starters 117 Division 2 (Rated)
Spread Spree, Not Prime Permutation, Spell Shortening
Starters 118 Division 2 (Rated)
Subset GCD, Join States, Xorry 2, Xorry 1
Starters 119 Division 2 (Rated)
Cookie Day, Another Good String , K Odd Sum
Starters 120 Division 2 (Rated)
Find Permutation , Construct Permutation, Count Subarrays, Count Arrays, Sub or Swp
Starters 121 Division 2 (Rated)
Frequal, Split And Maximize, Caesar Cipher Lite, Anti Adjacent Swaps
Starters 122 Division 2 (Rated)
Arya In Grid, Transformation Cost, Man of the Match
Starters 123 Division 2 (Rated)
Maximise Adjacent Sum, Check Adjacent Sum, Minimum And Maximum I, Yet Another Alice Bob Game, Minimum And Maximum II
Starters 124 Division 2 (Rated)
Binary Parity, Table Strength, Swap and Unite, Make It One, How many arrays
Starters 125 Division 1 (Rated till 6-Stars)
Bucket Game, Fake Certificate, Binary Minimal
Starters 126 Division 2 (Rated)
Freedom, Permutation Disturbance
Starters 127 Division 2
ABC Conjecture, Superincreasing, Anti-Triangle
Starters 129 Division 2 (Rated)
Palindromic Substrings, Ballon d Or
Starters 131 Division 1 (Rated till 5 Stars)
K-Closeness, Encrypt Value, T-Perm
Starters 133 Division 2 (Rated)
ABC Conjecture 3, Powered Parameters, Maximum Alternating Sum
Starters 134 Division 2 (Rated)
Origin, Rock Paper Scissors, 3out1in
Starters 135 Division 2 (Rated)
Invert And Equalize, Change A to B
Starters 136 Division 2 ( Rated )
Sum of Modes, My First Geometry Problem
Starters 137 Division 2 (Rated)
Double Trouble, Large Differences
Starters 138 Division 2 (Rated)
A power B mod C , TRIPLE PRIMES, Prefix Suffix Inequality, Breezy Mode Problem, Long Drive, Distinct Substring
Starters 139 Division 2 (Rated)
Maximum Distance Permutations
Starters 140 Division 2 (Rated)
Make Permutation, Split Permutation, Trick Or Treat, Break The String, Tree Removal
Starters 141 Division 2 (Rated)
Redundant Array, Amphibian Escape
Starters 143 Division 2 (Rated)
Non-Divisor Array, Max Min and Length, Binary Conversion
Starters 144 Division 1 (Rated)
Largest K
Starters 145 Division 2 (Rated)
Make Bob Win , Make My Array Equal
Starters 147 Division 2 (Rated till 5 stars)
K Subsequence 101, Truth Teller And Liars 101, Independence Day 101, Non-Primes 101, Gold Coins 101
Starters 148 Division 2 (Rated)
Double Trouble, The Undisappearance, FightBots
Starters 156 (Rated till 6 stars)
Partition Score
Starters 158 (Rated)
Largest Subsequence, XOR Smaller, Multiply 2 to Minimize
Starters 159 (Rated)
Crafty Coloring (Easy), Super Hero, Random Nim, Chess Colouring, Elections
Starters 160 (Rated)
Palindrome Love, Equate S and T
Starters 161 (Rated)
Two Cards
Starters 163 (Rated)
Tree Sum is Fun !, Nice Array, Minimum Types, Sort Them, Lexio Swap
Starters 164 (Rated)
Halloween Array, Construct Permutation, Swap and Flip, Connecting Wells
Starters 166 (Rated)
Distinct Power, Divisors Array (Easy Version), Costly Permutations, Chefland Library, Christmas Gifts, Merry Christmas!
Starters 168 (Rated)
No Two Alike, Binary Removals, Make Odd
Starters 169 (Rated till 5 stars)
Constant Subsequence, Hamming equivalent
Starters 170 (Rated)
Crazy Jumping Frogs, qUiRkY qUesTs (Easy), Monster Monster
Starters 171 (Rated till 5 star)
White Wall, Volcanic Eruption
Starters 173 (Rated upto < 2700)
Cool Subsequences, Time Penalty, Overwrite
Starters 174 (Rated upto 2700)
Mystic Slimes