Aman kumar

• Username: 3★ak_20002
• Country:  India
• Student/Professional:Student
• Institution:Institute of Engineering and Technology, Lucknow Uttar Pradesh, India
• CodeChef Pro Plan: No Active Plan. View Details

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

Rating Graph

No. of Contests Participated: 21

Current Ratings Graph Old Ratings Graph

1714 (-42)RatingProvisional
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Starters 169 (Rated)(2025-01-15 22:00:02)

Global Rank:   1667

Cheated in:   

Ratings System Update

(2025-01-15 22:00:02)

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1746 (-244)RatingProvisional
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CodeChef Starters 31 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   478

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

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Learning Paths (0)

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Contests (21)

December Cook-Off 2021 Division 3

Two Rooks, Friends Meetup, Musical Chairs, Median Minimization

CodeChef Starters 21 Division 2 (Rated)

Akash and Grid

Infinity 2k21 Division 3 (Rated)

Marbles, The Squid Game, Red Light, Green Light

Exun 2021-22 Division 2 (Rated)

Sarthak and his Magic Grid, Vedant and his Hidden Array

January Cook-Off 2022 Division 2

Palindromes Not Allowed, Mean Maximization

January Lunchtime 2022 Division 2

Subarray permutations

CodeChef Starters 24 Division 2 (Rated)

Avoid Contact, Yet Another Constructive Problem

March Long One 2022, Division 3 (Rated)

Akash and Function, Subarray XOR, Substring of a Substring, Akash and Missing Class, Exact Marks, Discus Throw, Bath in Winters, Wordle

CodeChef Starters 29 Division 2 (Rated)

Plusle and Minun on Array

CodeChef Starters 30 Division 3 (Rated)

Balanced Reversals, Swapping Chefs Way, Gift Shop and Coupon, Minimum Coloring, Chef and Water Bottles

CodeChef Starters 31 Division 2 (Rated)

XOR and AND, Alternating String, Sign Moves, The Unchanging OR

March Lunchtime 2022 Division 2

Sad Splits, Winter, Adjacency Love

July Long Two 2022 Division 2 (Unrated)

To Divide or Not To Divide, Sum of Product 1

Starters 120 Division 2 (Rated)

Find Permutation , Count Subarrays, Sub or Swp

Starters 125 Division 2 (Rated)

Fake Certificate

Starters 126 Division 2 (Rated)

Freedom, Permutation Disturbance

Starters 157 (Rated)

Small, Smaller, Smallest, Unmedian, Not-too-far Replacement

Starters 159 (Rated)

Random Nim, Chess Colouring, Elections

Starters 163 (Rated)

Nice Array, Minimum Types

Starters 165 (Rated)

Reverse and Alternate, Stable Array, Bulk Discount

Starters 169 (Rated)

Hamming equivalent

Total Problems Solved: 109