Prabal Singh

• Username: 3★prabal_25
• Country:  India
• Student/Professional:Other
• 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: 31

Current Ratings Graph Old Ratings Graph

1616 (-15)RatingProvisional
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Starters 164 (Rated)(2024-12-11 22:00:02)

Global Rank:   1290

Cheated in:   

Ratings System Update

(2024-12-11 22:00:02)

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1466 (+0)RatingProvisional
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December Long 2022 Division 3 (Rated)(2022-12-20 00:00:00)

Global Rank:   1268

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?

Learning Paths (0)

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Contests (31)

September Long 2022 Division 4 (Rated)

Speed Limit Test, Bob at the Bank, Chef and Wire Frames

Starters 61 Division 4 (Rated)

Reach on Time, Odd Sum Pair

Starters 62 Division 4 (Rated)

Sorted Substrings, Make Multiple, Final Sum, X Jumps, Max minus Min, Test Score

Starters 64 Division 4 (Rated)

Mario and the Broken String, Luigi and Uniformity, Distinct Colors, Water Consumption

Starters 65 Division 4 (Rated)

Nahaane Jaa, Parity, Candies, Hackerman

November Long 2022 Division 4 (Rated)

Split and Maximize, Spliting Balls, Time Complexity, Water Mixing, String Game

Starters 66 Division 4 (Rated)

Palindrome by Splitting, Just Like Mob!, Binary Battles, Squats, Monopoly in Chefland

Starters 68 Division 3 (Rated)

Boring String, Expense List, Make AP, Make Money

Starters 70 Division 3 (Rated)

Cost of Groceries, Minimum distance between 1s, Prime Reversal

Starters 71 Division 3 (Rated)

Pet Store, Instagram, Snapchat, Perfect Trio, Maximizing LCS

December Long 2022 Division 3 (Rated)

Gcd of Subarrays, Good Investment or Not, Divisible by K, Reach fast, Maximise XOR

Starters 72 Division 3 (Rated)

Indivisible, Apples and oranges, N Triplets

Starters 73 Division 3 (Rated)

Chef Plays Ludo, Multivitamin Tablets, Lucky Numbers, Append for OR

Starters 75 Division 3 (Rated)

Prefix Ones, Three Powers of Two, Two Ranges

January Long 2023 Division 3 (Rated)

Asymmetric Swaps, Minimize the Maximum, Array Halves, Far from origin, Overspeeding Fine, Negative Product

Starters 76 Division 3 (Rated)

Redistributing Chocolates, Make Array Odd, Zero String, Construct Array, 400M Race, Not Divisible

February Cook-Off 2023 Division 3 (Rated)

Take Not Less, Bi_lindrome!, Permutation and Modulus, Netflix

Starters 78 Division 3 (Rated)

Bitwise Equation, Valid Expression, Passing Marks

Starters 79 Division 3 (Rated)

One Stone or Two Stones, Add smallest prime factor, Distinct Opposite Sums, Better Deal

Starters 80 Division 3 (Rated)

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

Starters 101 Division 3 (Rated)

Warrior Chef, Work Smarter, Not Harder, Lockpicking Chef

Starters 102 Division 3 (Rated)

Bit Play, Selling Insurance, Chef and Stocks

Starters 103 Division 3 (Rated)

Sunday Brunch, Divisible By 8, Dice Number

Starters 107 Division 2 (Rated)

Rock Paper Scissor, OR Permutation

August Long 2023 Division 2 (Unrated)

All New CodeChef, Maximum Deliciousness, I Can Use Both Hands!

Starters 110 Divison 3 (Rated)

Water Park, Airlines, Marbles,  Am I Lucky!, Monsters

Starters 112 Division 3 (Rated)

Fair Share Settlement, 3 Logicians Walk into a Bar, Max Nutrition

Starters 114 Division 3 (Rated)

Rock-Paper-Scissors, Painting Walls, Christmas Candy

Starters 116 Division 3 (Rated)

Chef Product, Hattrick, ORST , Access Control

Starters 119 Division 2 (Rated)

Cookie Day, Another Good String , K Odd Sum

Starters 164 (Rated)

Swap and Flip

Total Problems Solved: 149