Aditya Trivedi

• Username: 4★trefferx
• Country:  India
• Student/Professional:Student
• Institution:Ajay Kumar Garg Engineering College Ghaziabad, Uttar Pradesh, India
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2025 (Jul-Dec)2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 31

Current Ratings Graph Old Ratings Graph

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Starters 215 (Rated till 6 star)(2025-12-03 22:00:00)

Global Rank:   170

Cheated in:   

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(2025-12-03 22:00:00)

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Global Rank:   0

Cheated in:   

Ratings System Update

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Contests (31)

Starters 76 Division 4 (Rated)

Redistributing Chocolates, Read Pages, Make Array Odd, Zero String, Construct Array, 400M Race, Not Divisible

February Cook-Off 2023 Division 3 (Rated)

Take Not Less, Alice Potter And Dumbledore Army, Bi_lindrome!, Permutation and Modulus, Netflix

Starters 77 Division 3 (Rated)

Tekken, Concat Palindrome, K Increment Palindrome, Three Numbers

Starters 78 Division 2 (Rated)

Bitwise Equation, Valid Expression, Solve More Problems!

Starters 101 Division 2 (Rated)

Warrior Chef, Lockpicking Chef

Starters 106 Division 2 (Rated)

Playing with OR, Guess the winner!

Starters 108 Division 2 (Rated)

Palindromic Prime Numbers, Fair Distribution, Multiple of 9

Starters 109 Division 2 (Rated)

Minimum XOR, Best of N Sets

Starters 111 Division 2 (Rated)

LCM Mania, Prefixing, Beautiful Strings, Reach Codetown

Starters 115 Division 2 (Rated)

Greedy LIS Algorithm, Make All Zero, A PLUS B Remastered, Decorating Christmas Tree

Starters 116 Division 2 (Rated)

Chef Product, ORST , Access Control

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 125 Division 2 (Rated)

Bucket Game, Operating on A, Fake Certificate, Binary Minimal

Starters 129 Division 2 (Rated)

Ballon d Or

Starters 130 Division 2 (Rated)

Updating A, Make Equal, Alternating Binary String, Good Binary String

Starters 145 Division 2 (Rated)

Make Bob Win , Make My Array Equal, Square String

Starters 156 (Rated)

Count Triplets, Balance Difficulties, Interval Cliques, Even Numbers Hate

Starters 158 (Rated)

Largest Subsequence, XOR Smaller, Buying Game, Multiply 2 to Minimize

Starters 166 (Rated)

Divisors Array (Easy Version), Costly Permutations, Chefland Library

Starters 167 (Rated)

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

Starters 173 (Rated upto < 2700)

Cool Subsequences, Introverts, Time Penalty

Starters 176 (Rated)

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

Starters 197 (Rated)

Expected Cost, Good Ranking (Pair), All Odd Prefix Sums, Split

Starters 198 (Rated)

Currency Exchange, Leave no Witnesses, Minimize Maximum Mex

Starters 199 (Rated)

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

Starters 200 (Rated)

Permutation Counting (Easy), Minimum Set, Random NIM, Restrict Palindromes, Good Subsequence

Starters 201 (Rated)

Compare and Connect, Permutation Cost Sum, Huge Grid (Easy Version), Delete Maximum, Mixing Liquids, Mark Points

Starters 203 (Rated till 5 star)

Subsequences of Subsequences, MEX on Ranges, Set To Median, Maximum MST

Starters 204 (Rated till 5 star)

Decreasing Perimeter

Starters 215 (Rated till 6 star)

Differing Values

Total Problems Solved: 113