Arpan

• Username: 2★shadow0z
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Guwahati Assam
• CodeChef Pro Plan: No Active Plan. View Details

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

Rating Graph

No. of Contests Participated: 26

Current Ratings Graph Old Ratings Graph

1422 (+34)RatingProvisional
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Starters 193 (Rated)(2025-07-02 22:30:06)

Global Rank:   1507

Cheated in:   

Ratings System Update

(2025-07-02 22:30:06)

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1441 (+132)RatingProvisional
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July Cook-Off 2022 Division 4 (Rated)(2022-12-20 00:00:00)

Global Rank:   1966

Cheated in:   

Ratings System Update

(2022-12-20 00:00:00)

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Contests (26)

December Cook-Off 2021 Division 3

Friends Meetup, Two Rooks

CodeChef Starters 22 Division 3 (Rated)

An Interesting Sequence, Equal Card Game, Elections in Chefland

January Long 2022 - I, Division 3 (Rated)

Keplers Law, Prime in a binary string, Covid Spread

January Long 2022 - II, Division 3 (Rated)

TCS Examination, Chef and Fixed Deposits

January Cook-Off 2022 Division 3

Palindromes Not Allowed, Mean Maximization, Mask Policy, Hungry Ashish

January Lunchtime 2022 Division 3

Subarray permutations, Chef and Subset Additions, Chef and Lockout Draws

CodeChef Starters 24 Division 2 (Rated)

Avoid Contact

CodeChef Starters 25 Division 3 (Rated)

Equal MEX, Points and Lines, Fit in Data Type, Chef and His Fruit Stand

CodeChef Starters 31 Division 2 (Rated)

Alternating String, Sign Moves

CodeChef Starters 33 Division 3 (Rated)

Minimum Cars required, Non Adjacent Flips

April Long One 2022, Division 3 (Rated)

Dazzling GCD Pair, Prime Sum, Dazzling AXNODR Challenge , The Cooler Dilemma 2

Starters 36 Division 3 (Rated)

Presents for Cheffina, Chef and Bird farm

April Long Two 2022 Division 3 (Rated)

Pseudo Sorted Array, Best Coupon, Geometric Mean Inequality, Sasta Shark Tank

Starters 39 Division 3 (Rated)

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

May Long Two 2022 Division 3 (Rated)

Score High, Degree of Polynomial

July Cook-Off 2022 Division 4 (Rated)

Enough Space, Permutation And Median, Chef Drinks Tea, High Accuracy

June Cook-Off 2022 Division 3 (Rated)

Break the Stick, First and Last

June Lunchtime 2022 Division 3 (Rated)

Zero Ones Equal One Zeros, Too many Floors

June Long Two 2022 Division 3 (Rated)

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

Starters 70 Division 3 (Rated)

Cost of Groceries, Prime Reversal

Starters 71 Division 3 (Rated)

Pet Store, Snapchat, Perfect Trio

Starters 119 Division 3 (Rated)

K Odd Sum, Another Good String , Cookie Day, Judged

Starters 120 Division 3 (Rated)

Largest K, Sub or Swp, Valentine Gifts

Starters 143 Division 3 (Rated)

Maximum Coins

Starters 147 Division 3 (Rated till 5 stars)

Gold Coins 101

Starters 193 (Rated)

Add Permutation, Check Odd Even Divisors, Count Odd Even Divisors, Rectangle and Square

Total Problems Solved: 80