Prattoy

• Username: 3★prattoy01
• Country:  Bangladesh
• Student/Professional:Student
• Institution:Sylhet Engineering College, 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: 43

Current Ratings Graph Old Ratings Graph

1700 (-17)RatingProvisional
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Starters 194 (Rated)(2025-07-13 23:00:02)

Global Rank:   633

Cheated in:   

Ratings System Update

(2025-07-13 23:00:02)

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1352? (+0)RatingProvisional
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Starters 68 Division 4 (Rated)(2022-12-20 00:00:00)

Global Rank:   1344

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

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Learning Paths (0)

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Contests (43)

Starters 61 Division 4 (Rated)

Reach on Time, Odd Sum Pair

Starters 63 Division 4 (Rated)

Packing Books, Tasty Decisions, Avoid Squares Please

Starters 68 Division 4 (Rated)

Expense List, Bull or Bear, Make AP, Make Money

Starters 82 Division 4 (Rated)

Make A-B Same, Reach Home, Difference Matrix, MIN To MAX, Candy Division

Starters 84 Division 4 (Rated)

Max count of 1, Chef and Donation, Elections in Chefland, Max Binary, Melt Gold

Starters 111 Divison 3 (Rated)

Reach Codetown, Exams

Starters 113 Division 3 (Rated)

Make N Zero

Starters 118 Division 4 (Rated)

Xorry 1

Starters 120 Division 4 (Rated)

Largest K, Valentines Contest, Sub or Swp, Valentine Gifts

Starters 123 Division 4 (Rated)

Maximise Adjacent Sum, Check Adjacent Sum, Minimum And Maximum I, Minimum And Maximum II

Starters 125 Division 4 (Rated)

Overspeeding, 50-50 Rule, Fake Certificate, Binary Minimal

Starters 126 Division 4 (Rated)

AC Please, Dice Game 3, Sale, Permutation Disturbance

Starters 127 Division 3

Superincreasing, Extreme Basketball, Anti-Triangle

Starters 129 Division 3 (Rated)

Pep Bidding, Ballon d Or

Starters 132 Division 3 (Rated)

ALIEN-OR, Optimal Flip, Change Please, GAME 11

Starters 133 Division 2 (Rated)

Powered Parameters, Maximum Alternating Sum

Starters 134 Division 2 (Rated)

Origin, Rock Paper Scissors

Starters 139 Division 2 (Rated)

Sum of N, Maximum Distance Permutations

Starters 140 Division 2 (Rated)

Make Permutation, Split Permutation, Trick Or Treat, Tree Removal

Starters 141 Division 2 (Rated)

Redundant Array

Starters 142 Division 2 (Rated)

Chef loves Pizza Chef loves halfs, Array Removal, Number Hunt

Starters 147 Division 2 (Rated till 5 stars)

Truth Teller And Liars 101, Independence Day 101, Non-Primes 101, Gold Coins 101

Starters 148 Division 2 (Rated)

The Undisappearance, FightBots

Starters 149 (Rated)

Easy Subarray Sum, Maximise Sum, Chef Loves Beautiful Strings (Easy Version)

Starters 150 (Rated)

Equal Pairs (Hard), Replacing Game, Find Multiset State, Equal Pairs (Easy)

Starters 151 (rated)

Convert string

Starters 152 (Rated)

Maximize Hamming Distance, Range Minimize

Starters 154 (Rated)

GCD and XOR, Add 1 or 2 Game

Starters 156 (Rated)

Partition Score, Even Numbers Hate

Starters 160 (Rated)

Palindrome Love, Buying Order (Easy), Equate S and T

Starters 161 (Rated)

Temporary Temperature, Red-Blue Sort, One To Three, Two Cards

Starters 169 (Rated)

Hamming equivalent, Make K Most Frequent

Starters 173 (Rated upto < 2700)

Cool Subsequences, Time Penalty, Overwrite

Starters 174 (Rated)

Deletion and Difference

Starters 176 (Rated)

Same And, Clothing Store, Costly Summit

Starters 179 (Rated)

Lost in the Fest!!, Unlock The Safe

Starters 181 (Rated)

Flip Prefix, Find Outside Array

Starters 182 (Rated)

Bar Queue

Starters 183 (Rated)

Complete MST, S to T, Larger Smaller, Max Triangle

Starters 193 (Rated)

Mex Tree (Min), Add Permutation, Check Odd Even Divisors, Count Odd Even Divisors

Starters 194 (Rated)

Mark All, Munchys Modulo, Chef Bakes Cake 3

Total Problems Solved: 230