Prakhar Singh

• Username: 3★prakhars_18
• Country:  India
• Student/Professional:Student
• Institution:M S Ramaiah Institute of Technology
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 31

Current Ratings Graph Old Ratings Graph

1652 (-32)RatingProvisional
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Starters 98 Division 2 (Rated)(2023-07-12 22:30:02)

Global Rank:   1782

Cheated in:   

Ratings System Update

(2023-07-12 22:30:02)

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1683 (+5)RatingProvisional
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Starters 66 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   197

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 (31)

CodeChef Starters 33 Division 4 (Rated)

The Cheaper Cab, Monthly Budget, Minimum Cars required

CodeChef Starters 34 Division 4 (Rated)

Average Array, Is the Score Consistent, Good Quality Bulbs, Positive Products, Expiring Bread

April Lunchtime 2022 Division 4(Rated)

Lunchtime, Mario and Transformation, Mario and Bullet, Pair Pain

Starters 39 Division 4 (Rated)

Compress the Video, Closest Vowels, Recent contest problems, My very 1st contest!, A or B, Chess Ratings

Starters 42 Division 4 (Rated)

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

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, Equal by XORing

Starters 45 Division 4 (Rated)

Even Equal Odd, Chef and his Apps, Best of Two, Retrieve the Array, Adjacent Sum Parity, Change Row and Column Both

Starters 52 Division 3 (Rated)

Minimum Sum, WA Test Cases, Air Conditioner Temperature

August Lunchtime 2022 Division 3 (Rated)

Candy Distribution, Equalizing Numbers, Easy Permutation, Array Equality

Starters 53 Division 3 (Rated)

Odd Pairs, Make A and B equal, Weights

Starters 54 Division 3 (Rated)

Equal Distinct, Ticket Fine, Team of Two

Starters 55 Division 3 (Rated)

Non Zero Xor, Balls and Boxes, Permutation Clear, Mean and Median, Broken Phone, OR Tuples

Starters 61 Division 2 (Rated)

Minimise LCS, Weird Subarrays, Subarray Removal

Starters 66 Division 2 (Rated)

Good Binary Strings, Palindrome In Making, Just Like Mob!

Starters 74 Division 2 (Rated)

Lcm hates Gcd, Odd Even Binary String

Starters 75 Division 2 (Rated)

Prefix Ones, Three Powers of Two

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 80 Division 3 (Rated)

Permutation Subsequence, Prefix Permutation, Single-use Attack, Running Comparison, Equal Elements

Starters 82 Division 2 (Rated)

Difference Matrix, MIN To MAX

Starters 84 Division 2 (Rated)

Max count of 1, Digit Operation, Max Binary, Chef And Adjacent Sums

Starters 85 Division 2 (Rated)

Crazy Bishops on Chessboard, Efficient PAN Linking, Inside The Stadium

Starters 86 Division 2 (Rated)

String Game , Maximise Score

Starters 83 Division 2 (Rated)

Construct String, Order by XOR

Starters 88 Division 2 (Rated)

Unstable Subarray

Starters 89 Division 2 (Rated)

Plus 2 or Minus 1, Positive or Negative Subarrays

Starters 93 Division 2 (Rated)

Break Free, Problem

Starters 97 Division 2 (Rated)

Schrodinger Smiley, No Palindrome, Triplets Min

Starters 98 Division 2 (Rated)

Airport Management, Ball Distribution

Total Problems Solved: 121