MR_JOHN

• Username: 2★john181299
• Country:  India
• Student/Professional:Student
• Institution:Punjab Engineering College, Chandigarh
• CodeChef Pro Plan: No Active Plan. View Details

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Last 6 Months 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

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No. of Contests Participated: 26

Current Ratings Graph Old Ratings Graph

1495 (+35)RatingProvisional
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Starters 139 Division 3 (Rated)(2024-06-19 22:00:04)

Global Rank:   1162

Cheated in:   

Ratings System Update

(2024-06-19 22:00:04)

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1437 (+3)RatingProvisional
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Starters 64 Division 4 (Rated)(2022-12-20 00:00:00)

Global Rank:   192

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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Contests (26)

September Challenge 2020 Division 2

Ada Matrix, Coronavirus Spread 2, A Problem on Sticks

August Lunchtime 2020 Division 2

Mode of Frequencies

October Cook-Off 2020 Division 2

Split the Str Ing

May Challenge 2021 Division 3 (Rated)

Golf

September Challenge 2021 Division 3 (Rated)

Shuffling Parities, Airline Restrictions, Travel Pass

SnackDown 2021 - Online Qualifiers

Lucky Number

CodeChef Starters 12 Division 3 (Rated)

Good Weather

CodeChef Starters 14 Division 3 (Rated)

Odd GCD, RCB and Playoffs, FIXFIX, Diagonal movement

April Long Two 2022 Division 2 (Unrated)

Pseudo Sorted Array

Starters 38 Division 2 (Rated)

Good Pairs, Circular Track

May Lunchtime 2022 Division 3 (Rated)

Bucket and Water Flow , Problems in your to-do list

Starters 39 Division 3 (Rated)

Closest Vowels, A or B, Recent contest problems, Compress the Video

May Long Two 2022 Division 3 (Rated)

Score High, Make them Zero, Degree of Polynomial, Xor Palindrome

Starters 41 Division 3 (Rated)

Equal Integers, Is this priority or parity!, Path Parity, Determine the Winner

Starters 42 Division 3 (Rated)

Divisible by 3, Minimum number of Flips, How Many Maximums, Minimum or Maximum

June Long One 2022 Division 3 (Rated)

Subscriptions, Divisible by i , Possible GCD, Alternate Additions, Equal Strings

June Long Two 2022 Division 3 (Rated)

Complementary Strand in a DNA, Count the ACs, Make all equal using Pairs

September Long 2022 Division 3 (Rated)

Speed Limit Test, Good Pairs, Bob at the Bank, Interesting Subarray

Starters 56 Division 3 (Rated)

Nearest Exit, Maximize Colours, Far Away

Starters 57 Division 4 (Rated)

Two Different Palindromes, Non-Negative Product, Even Splits, Integers that sum to the same value, Alice and Marks

October Long 2022 Division 4 (Rated)

Podium Finish, Minimum Pizzas, Building Race, Single Operation Part 1, Single Operation Part 2

Starters 60 Division 4 (Rated)

Card Removal, Palindrome Flipping, Tax in Chefland, Yet Another Palindrome Problem, Expert Setter, Paper Cutting

Starters 64 Division 4 (Rated)

Mario and the Broken String, Luigi and Uniformity, Range Assign, Number of Distinct Elements Minimize, Distinct Colors, Water Consumption

Starters 71 Division 3 (Rated)

Snapchat, Maximizing LCS, Perfect Trio, Pet Store

January Long 2023 Division 3 (Rated)

Asymmetric Swaps, Array Halves, Far from origin

Starters 129 Division 3 (Rated)

Pep Bidding, Ballon d Or

Starters 139 Division 3 (Rated)

Maximum Distance Permutations, Distribute Cookies

Total Problems Solved: 99