MD. NIHAN ALI

• Username: 4★nihan
• Country:  Bangladesh
• Student/Professional:Student
• Institution:Shahjalal University of Science & Technology Sylhet, Bangladesh
• CodeChef Pro Plan: No Active Plan. View Details

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

Rating Graph

No. of Contests Participated: 29

Current Ratings Graph Old Ratings Graph

1802 (+39)RatingProvisional
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Starters 185 (Rated)(2025-05-07 22:00:02)

Global Rank:   50

Cheated in:   

Ratings System Update

(2025-05-07 22:00:02)

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1700 (+5)RatingProvisional
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Starters 66 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   668

Cheated in:   

Ratings System Update

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

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Learning Paths (0)

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Contests (29)

January Cook-Off 2022 Division 3

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

CodeChef Starters 23 Division 3 (Rated)

Average of Three, Subarray Mex, Chef and Profits

January Lunchtime 2022 Division 3

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

CodeChef Starters 25 Division 2 (Rated)

Building Towers, Equal MEX, Points and Lines

Starters 35 Division 2 (Rated)

Dark Light, Admins and Shopping, Jump to Sibling

Starters 36 Division 2 (Rated)

Buying Sweets, Presents for Cheffina

Starters 37 Division 2 (Rated)

Dazzling Even-Odd Challenge, Beat the Average, Infernos, Maximum OR Minimum

July Cook-Off 2022 Division 2 (Rated)

Segmentation Fault, Permutation And Median, Xor Permutation

June Lunchtime 2022 Division 2 (Rated)

Zero Ones Equal One Zeros, The Lost Array, Max Shift After XOR, XOR Times 2 Is Sum, Equal by XORing

Starters 45 Division 2 (Rated)

Even Equal Odd, Retrieve the Array, Adjacent Sum Parity

Starters 46 Division 2 (Rated)

Sort the String, Array sorting

Starters 47 Division 2 (Rated)

Similar Heights, End Sorted

Starters 52 Division 2 (Unrated)

Minimum Sum, WA Test Cases

August Lunchtime 2022 Division 2 (Rated)

Easy Permutation, Array Equality

Starters 55 Division 2 (Rated)

Balls and Boxes, Mean and Median

Starters 59 Division 2 (Rated)

Confusing Concatenations, Suspense String, Maximum Subarray

Starters 62 Division 2 (Rated)

Sorted Substrings, Make Multiple, Final Sum

Starters 64 Division 2 (Rated)

Luigi and Uniformity, Range Assign, Number of Distinct Elements Minimize, Distinct Neighbours

Starters 66 Division 2 (Rated)

Good Binary Strings, Palindrome by Splitting, Just Like Mob!

February Cook-Off 2023 Division 2 (Rated)

Permutation and Modulus, Minimum Beauty , Take Not Less

Starters 86 Division 2 (Rated)

String Game , Maximise Score

Starters 154 (Rated)

GCD and XOR, Add 1 or 2 Game

Starters 155 (Rated)

GCD to 1 (Easy), GCD to 1 (Hard), Replace With First, Prefix Suffix Min Max

Starters 158 (Rated)

Largest Subsequence, Multiply 2 to Minimize, XOR Smaller, Buying Game

Starters 175 (Rated)

Alternate It!, Make same

Starters 178 (Rated)

Big Difference, Placing 01 And 10

Starters 179 (Rated)

Lost in the Fest!!, Station Allocation, Unlock The Safe, Can you reach

Starters 182 (Rated)

Bar Queue, Palindromic Score, Beautiful Garden

Starters 183 (Rated)

S to T, Larger Smaller, Max Triangle

Starters 185 (Rated)

GCD Summation, Asymmetric Cookies, Creature Hunter, Array Deletion Game

Total Problems Solved: 122