Prashant kumar

• Username: 3★pkjohny
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Kanpur
• 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: 19

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1638 (+21)RatingProvisional
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July Lunchtime 2022 Division 2 (Rated)(2022-07-17 23:30:02)

Global Rank:   951

Cheated in:   

Ratings System Update

(2022-07-17 23:30:02)

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1638 (+4)RatingProvisional
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July Lunchtime 2022 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   951

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 (0)

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Practice Paths (0)

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Contests (19)

January Challenge 2021 Division 3

Fair Elections, Watching CPL, Encoded String, Chef and Division 3, Point Of Impact

March Challenge 2021 Division 3

Interesting XOR!, Chef and Groups, College Life 4, Consecutive Adding, Paparazzi Gennady, Space Arrays, No Time to Wait

April Challenge 2021 Division 2

Binary String MEX, Worthy Matrix, Chef and Dice, Boolean Game

December Lunchtime 2021 Division 2

Maximum Trio, Romantic Reversals

CodeChef Starters 23 Division 2 (Unrated)

Average of Three

January Lunchtime 2022 Division 2

Subarray permutations

CodeChef Starters 25 Division 2 (Rated)

Building Towers, Equal MEX, Points and Lines

CodeChef Starters 28 Division 2 (Rated)

Count the Holidays

CodeChef Starters 31 Division 2 (Rated)

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

March Lunchtime 2022 Division 3

Sad Splits, Minimum number of coins, Buy 2 Get 1 Free, Adjacency Love

CodeChef Starters 32 Division 2 (Rated)

Flip Sorting, Finding Shoes, Maximize the Minimum

May Lunchtime 2022 Division 2 (Rated)

Bucket and Water Flow

Starters 39 Division 2 (Rated)

Compress the Video, Crazy Substrings, Closest Vowels, Even Subarray XOR

Starters 40 Division 2 (Unrated)

Infinity Staircase, Good Pairs

July Cook-Off 2022 Division 2 (Rated)

Permutation And Median

June Cook-Off 2022 Division 2 (Rated)

Break the Stick

Starters 42 Division 2 (Rated)

Minimum or Maximum, Divisible by 3

June Lunchtime 2022 Division 2 (Rated)

Zero Ones Equal One Zeros, Equal by XORing

July Long One 2022 Division 3 (Rated)

Chef and Candies, Pass the Exam, Slow Solution, Game of Piles Version 1, Journey of the Knight

Starters 47 Division 3 (Rated)

Copy and Push Back, Similar Heights, Construct N, End Sorted, Minimum Coins

July Lunchtime 2022 Division 2 (Rated)

Easy Pronunciation, Yet Another Palindrome Making Problem, Maximum Median Matching, Largest Family

Starters 54 Division 2 (Unrated)

Equal Distinct

Starters 57 Division 2 (Unrated)

Even Splits, Two Different Palindromes

Starters 58 Division 2 (Unrated)

Break the elements

Total Problems Solved: 72