Roshan laddha

• Username: 2★peterkin
• Country:  India
• Student/Professional:Student
• Institution:SRM Institute of Science and Technology Ghaziabad, Uttar Pradesh, India
• CodeChef Pro Plan: No Active Plan. View Details

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

Rating Graph

No. of Contests Participated: 15

Current Ratings Graph Old Ratings Graph

1507 (+55)RatingProvisional
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July Long Two 2022 Division 4 (Rated)(2022-07-25 15:00:06)

Global Rank:   1

Cheated in:   

Ratings System Update

(2022-07-25 15:00:06)

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1507 (+143)RatingProvisional
Rating i Provisional Rating, click to know more

July Long Two 2022 Division 4 (Rated)(2022-12-20 00:00:00)

Global Rank:   1

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 (15)

April Challenge 2021 Division 3

Chef and Dice, Worthy Matrix, Strong Language, Valid Pair, World Record

May Challenge 2021 Division 3 (Rated)

Valid Paths, Xor Equality, Tic Tac Toe, Modular Equation, Golf, Solubility

CodeChef Starters 18 Division 2 (Unrated)

Make them equal

CodeChef Starters 24 Division 2 (Rated)

Avoid Contact, Divisors and Reciprocals, Yet Another Constructive Problem

February Long 2022 - I, Division 2 (Unrated)

N Queens Puzzle Solved !

March Long One 2022, Division 3 (Rated)

Akash and Function, Wordle, Exact Marks, Akash and Missing Class, Substring of a Substring, Subarray XOR

March Long Two 2022, Division 3 (Rated)

Chef and Races, Missing Numbers, The Rating Dilemma

CodeChef Starters 30 Division 3 (Rated)

Chef and Water Bottles, Swapping Chefs Way, Balanced Reversals

March Cook-Off 2022 Division 2

Janmansh at Fruit Market

March Lunchtime 2022 Division 3

Buy 2 Get 1 Free, Minimum number of coins

April Long One 2022, Division 3 (Rated)

Dazzling AXNODR Challenge , The Cooler Dilemma 2

Starters 36 Division 3 (Rated)

Presents for Cheffina, Chef and Bird farm

April Long Two 2022 Division 3 (Rated)

Pseudo Sorted Array, Best Coupon, Sasta Shark Tank

Starters 43 Division 3 (Rated)

DNA Storage

June Long Two 2022 Division 4 (Rated)

Count the ACs, Make all equal using Pairs, Complementary Strand in a DNA, Fitness

July Long One 2022 Division 4 (Rated)

Bidding, Chef and Candies, Pass the Exam, Slow Solution, Game of Piles Version 1, Journey of the Knight

July Long Two 2022 Division 4 (Rated)

Maximize Difference, Concat Sort, Chef in his Office, To Divide or Not To Divide, Sum of Product 1, Sum of Product 2, Insurance, Hungry Chef

Total Problems Solved: 65