Shantanu Jain

• Username: 3★sj_o_code
• Country:  India
• Student/Professional:Student
• Institution:University of Petroleum and Energy Studies, Dehradun Uttarakhand, India
• 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: 33

Current Ratings Graph Old Ratings Graph

1635 (-34)RatingProvisional
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Starters 129 Division 2 (Rated)(2024-04-10 22:00:02)

Global Rank:   2095

Cheated in:   

Ratings System Update

(2024-04-10 22:00:02)

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1652 (+3)RatingProvisional
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Starters 65 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   921

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 (33)

Starters 42 Division 4 (Rated)

Minimum or Maximum, Divisible by 3, Age Limit, Equal Distribution, Minimum number of Flips

June Long One 2022 Division 4 (Rated)

Chairs Requirement, Subscriptions, Divisible by i , Alternate Additions, Equal Strings

Starters 44 Division 4 (Rated)

Biryani classes, Air Hockey

Starters 43 Division 4 (Rated)

Burgers, DNA Storage, Distinct Palindrome, Joining Date, Waiting Time

June Lunchtime 2022 Division 4 (Rated)

Zero Ones Equal One Zeros, It is My Serve, Too many Floors, Determine the Score

June Long Two 2022 Division 4 (Rated)

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

July Long One 2022 Division 4 (Rated)

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

July Lunchtime 2022 Division 4 (Rated)

Interior Design, The Last Levels, Easy Pronunciation, Yet Another Palindrome Making Problem, True and False Paper

Starters 48 Division 4 (Rated)

Buy Lamps, Fill The Grid, Passes for Fair, Fill Candies, Make Palindrome 2

July Long Two 2022 Division 3 (Rated)

Maximize Difference, Concat Sort, Chef in his Office, To Divide or Not To Divide, Sum of Product 1, Sum of Product 2, Hungry Chef

Starters 49 Division 3 (Rated)

N Buttons 1 Bulb, Split The String, High Frequency, Valid Minimum

Starters 50 Division 3 (Rated)

Permutation GCD, Nearest Court, Average Permutation

Starters 51 Division 3 (Rated)

Different Medians, TV Discount, Dominant Element

August Long 2022 Division 3 (Rated)

Angled Flip, Sale Season, XOR with smallest element, Hello Equation, Two Trains, Make A and B equal

Starters 52 Division 2 (Unrated)

Minimum Sum, WA Test Cases

August Lunchtime 2022 Division 2 (Rated)

Easy Permutation, Array Equality

Starters 53 Division 2 (Rated)

Black&White Ring Game, Make A and B equal

Starters 54 Division 3 (Rated)

Equal Distinct, Ticket Fine, Team of Two

Starters 55 Division 3 (Rated)

Balls and Boxes, Permutation Clear, Mean and Median, Broken Phone

September Long 2022 Division 3 (Rated)

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

Starters 56 Division 2 (Rated)

K-Subarrays, Maximize Colours

Starters 57 Division 2 (Unrated)

Maximum Expression, Even Splits, Two Different Palindromes

Starters 59 Division 2 (Rated)

Maximum Subarray , Suspense String, Confusing Concatenations

October Long 2022 Division 2 (Unrated)

Binary Substituition, Single Operation Part 1, Single Operation Part 2

Starters 60 Division 2 (Rated)

Distinct Numbers, Yet Another Palindrome Problem, Palindrome Flipping

Starters 61 Division 2 (Rated)

Minimise LCS, Subarray Removal

Starters 62 Division 2 (Rated)

Sorted Substrings, Make Multiple, Final Sum

Starters 63 Division 3 (Rated)

One-XOR Deletions, Avoid Squares Please

Starters 64 Division 3 (Rated)

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

Starters 65 Division 2 (Rated)

Nahaane Jaa, Candies, Binod

Starters 76 Division 2 (Rated)

Make Array Odd, Zero String, Construct Array, Not Divisible

February Cook-Off 2023 Division 2 (Rated)

Take Not Less, Permutation and Modulus

Starters 77 Division 2 (Rated)

Concat Palindrome, K Increment Palindrome, Three Numbers

Starters 78 Division 2 (Rated)

Bitwise Equation, Valid Expression

Starters 122 Division 2 (Rated)

Arya In Grid, Transformation Cost, Man of the Match

Starters 129 Division 2 (Rated)

Ballon d Or

Total Problems Solved: 158