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Practice Compete Compiler

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Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

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Programming and DSA

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Programming and DSA

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Practice Compete Compiler
Home » Badal Kumar
user profile

Badal Kumar

  • 4★badalarya
  •   India
  • Student
  • Bhagalpur College of Engineering Bihar, India
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 104
1864 (-7)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 209 (Rated)(2025-10-22 22:00:02)
Global Rank:   523
Cheated in:   

Ratings System Update

(2025-10-22 22:00:02)
This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more
How the rating system works?
1697 (+5)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 67 Division 2 (Rated)(2022-12-20 00:00:00)
Global Rank:   518
Cheated in:   

Ratings System Update

(2022-12-20 00:00:00)
This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more
How the rating system works?

Learning Paths (1)

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Learn C++

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Practice Paths (4)

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1600 to 1800 difficulty problems

1%
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Practice C++

0%
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Number theory

4%
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Practice for ZCO and INOI

1%

Contests (104)

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

Starters 175 (Rated)

Alternate It!, Make same

Starters 176 (Rated)

Same And, Friendly Binary Strings, Clothing Store, Costly Summit, Mex-P Tree (Easy)

Starters 177 (Rated)

Flip or Reverse, Counting 01 and 10, Ordered Distances, 2 Boxes

Starters 178 (Rated till 6 star)

Big Difference

Starters 179 (Rated)

Lost in the Fest!!, Unlock The Safe

Starters 180 (Rated)

Shall we play a game, Array Operations, Huh, Easy

Starters 181 (Rated)

The Best Matrix, Flip Prefix, Find Outside Array

Starters 183 (Rated)

S to T, Larger Smaller, Max Triangle

Starters 184 (Rated)

One Down

Starters 186 (Rated)

Distinct Arrays , Segment Tree Reconstruction, Jump A or B, Approval Ratings

Starters 188 (Rated)

K Boxes, Yet Another Monsters Problem, Subset Sum 3

Starters 191 (Rated)

Add 1 or 2, Grid Path (Easy), Add to get GCD, Permuted Greater than 2

Starters 196 (Rated)

Sugar Limit, Append Average

Starters 199 (Rated)

Perfect Ranges, Fence Colouring, Grid MEX, Subtract or Divide

Starters 207 (Rated)

Adjacent Sums, Make Subarray

Starters 209 (Rated)

Binary Love, Tactical Conversion, Small GCD Sort, High Score (Easy Version)

Starters 223 (Unrated)

School Trip

Total Problems Solved: 400

1864
(Div 2)
★★★★
CodeChef Rating (Highest Rating 2034)
  • 3262 Global Rank
  • 2625 Country Rank

Badges

Contest Contender -  Diamond Badge

Contest Contender - Diamond Badge

Received for participating in 100 Contests

Problem Solver - Silver Badge

Problem Solver - Silver Badge

Received for solving 250 Problems

Daily Streak - Bronze Badge

Daily Streak - Bronze Badge

Received for maintaining a streak of 5 days

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