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Programming and DSA

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
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Lucifer_30

  • 4★sid15_30
  •   India
  • Student
  • Indian Institute of Technology Patna Bihar, India
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 37
1864 (+0)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 210 (Rated)(2025-10-29 22:00:02)
Global Rank:   499
Cheated in:   

Ratings System Update

(2025-10-29 22:00:02)
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1432 (+0)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 69 Division 4 (Rated)(2022-12-20 00:00:00)
Global Rank:   411
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?

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Practice Paths (1)

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Level up from 1* to 2*

6%

Contests (37)

August Long 2022 Division 4 (Rated)

Sale Season, Two Trains, Maximum Submissions

Starters 52 Division 4 (Rated)

AI Analysing Code, WA Test Cases, Air Conditioner Temperature

Starters 53 Division 4 (Rated)

Car Trip, Greater Average, Odd Pairs, Weights

September Long 2022 Division 4 (Rated)

Speed Limit Test, Bob at the Bank, Chef and Wire Frames

Starters 65 Division 4 (Rated)

Nahaane Jaa, Parity, Candies, Hackerman

November Long 2022 Division 4 (Rated)

Time Complexity, Water Mixing, String Game

Starters 66 Division 4 (Rated)

Just Like Mob!, Binary Battles, Squats, Monopoly in Chefland

Starters 68 Division 4 (Rated)

Expense List, Bull or Bear, Make AP, Make Money

Starters 69 Division 4 (Rated)

Akash and Dinner, Rain in Chefland, Scalene Triangle, Convert to permutation, Distinct Sequence

Starters 70 Division 3 (Rated)

Cost of Groceries, Minimum distance between 1s, Prime Reversal

December Long 2022 Division 4 (Rated)

Good Investment or Not, Reach fast, Maximise XOR

Starters 77 Division 3 (Rated)

Spreading Charges, Tekken, Three Numbers

Starters 80 Division 3 (Rated)

Permutation Subsequence, Prefix Permutation, Single-use Attack, Running Comparison, Equal Elements

Starters 84 Division 3 (Rated)

Elections in Chefland, Max Binary, Melt Gold

Starters 85 Division 3 (Rated)

Crazy Bishops on Chessboard, Efficient PAN Linking, Inside The Stadium, Can Chef

Starters 83 Division 3 (Rated)

Chef Eren

Starters 88 Division 3 (Rated)

Unstable Subarray, Largest and Second Largest

Starters 89 Division 3 (Rated)

Monopoly, Plus 2 or Minus 1, Positive or Negative Subarrays, DDMM or MMDD

Starters 111 Division 2 (Rated)

Beautiful Strings, Reach Codetown

Starters 115 Division 2 (Rated)

Greedy LIS Algorithm, A PLUS B Remastered, Decorating Christmas Tree

Starters 117 Division 2 (Rated)

Equality Etiquette, Not Prime Permutation, Spell Shortening

Starters 118 Division 2 (Rated)

Subset GCD, Join States, Xorry 2, Xorry 1

Starters 124 Division 2 (Rated)

Binary Parity, Table Strength, Swap and Unite, Make It One

Starters 125 Division 2 (Rated)

Binary Minimal

Starters 135 Division 2 (Rated)

Invert And Equalize, Change A to B

Starters 137 Division 2 (Rated)

Double Trouble, Large Differences

Starters 138 Division 2 (Rated)

A power B mod C , TRIPLE PRIMES, Prefix Suffix Inequality, Long Drive, Distinct Substring

Starters 139 Division 2 (Rated)

Sum of N, Maximum Distance Permutations, Destroying Bridges Part 2

Starters 152 (Rated)

Maximize Hamming Distance, Anti-Palindrome Queries, Range Minimize

Starters 164 (Rated)

Halloween Array, Construct Permutation, Swap and Flip

Starters 166 (Rated)

Distinct Power, Costly Permutations, Chefland Library

Starters 167 (Rated)

Alternate Universe, Temperature Balance, Lottery Tickets, Delete Not Equal, Grid Construction (Even), Grid Construction (Odd)

Starters 180 (Rated)

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

Starters 182 (Rated)

Bar Queue, Beautiful Garden, Palindromic Score

Starters 199 (Rated)

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

Starters 206 (Rated)

Cyclic Shift Minimization, Gladiator Fighting, Prime Sum

Starters 210 (Rated)

Delete Sorted Subsequence, Chocolate Eating, First Element Counting

Total Problems Solved: 178

1864
(Div 2)
★★★★
CodeChef Rating (Highest Rating 1889)
  • 3303 Global Rank
  • 2657 Country Rank

Badges

Contest Contender - Silver Badge

Contest Contender - Silver Badge

Received for participating in 25 Contests

Problem Solver - Bronze Badge

Problem Solver - Bronze Badge

Received for solving 50 Problems

Daily Streak - Bronze Badge

Daily Streak - Bronze Badge

Received for maintaining a streak of 5 days

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