Don Paul

• Username: 5★lazarus271
• 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: 20

Current Ratings Graph Old Ratings Graph

2021 (-13)RatingProvisional
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Starters 181 (Rated for all)(2025-04-09 22:30:00)

Global Rank:   175

Cheated in:   

Ratings System Update

(2025-04-09 22:30:00)

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NA? (+NA)RatingProvisional
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None(None)

Global Rank:   0

Cheated in:   

Ratings System Update

(None)

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Contests (20)

Starters 150 (Rated)

Find Multiset State, Equal Pairs (Hard), Equal Pairs (Easy), IOI 2024, Ratio By 2

Starters 151 (rated)

Ball Game, Sequence Search, Convert string, Shooting (Easy)

Starters 154 (Rated)

Triangle Count (Easy), Add 1 or 2 Game

Starters 156 (Rated)

Partition Score, Even Numbers Hate

Starters 157 (Rated)

Small, Smaller, Smallest, Normal is Good, Unmedian, Not-too-far Replacement

Starters 158 (Rated)

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

Starters 159 (Rated)

Super Hero, Random Nim, Chess Colouring, Elections

Starters 160 (Rated)

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

Starters 163 (Rated)

Nice Array, Minimum Types, Sort Them

Starters 164 (Rated)

Swap and Flip, Halloween Array

Starters 165 (Rated)

Reverse and Alternate, Bulk Discount, Stable Array, A to B

Starters 166 (Rated)

Distinct Power, Divisors Array (Easy Version), Costly Permutations, Chefland Library

Starters 167 (Rated)

Alternate Universe, Temperature Balance, Lottery Tickets, Delete Not Equal, Grid Construction (Even), Grid Construction (Odd)

Starters 169 (Rated)

Make K Most Frequent, Hamming equivalent, Constant Subsequence

Starters 170 (Rated)

Crazy Jumping Frogs, qUiRkY qUesTs (Easy), Monster Monster

Starters 171 (Rated till 5 star)

White Wall, Volcanic Eruption

Starters 173 (Rated upto < 2700)

Cool Subsequences, Time Penalty, Overwrite

Starters 174 (Rated)

GCD Add Size, Mystic Slimes, Deletion and Difference

Starters 175 (Rated till 5 stars)

Alternate It!, Multiplexer

Starters 181 (Rated for all)

The Best Matrix, Flip Prefix

Total Problems Solved: 67