One Diary

• Username: 4★onediary
• 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: 10

Current Ratings Graph Old Ratings Graph

1878 (-14)RatingProvisional
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September Cook-Off 2021 Division 2(2021-09-20 00:30:02)

Global Rank:   1054

Cheated in:   

Ratings System Update

(2021-09-20 00:30:02)

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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1878 (+52)RatingProvisional
Rating i Provisional Rating, click to know more

September Cook-Off 2021 Division 2(2022-12-20 00:00:00)

Global Rank:   1054

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 (10)

April Challenge 2021 Division 3

Worthy Matrix, Chef and Dice, Valid Pair, World Record, Strong Language, Boolean Game, Binary String MEX

April Cook-Off 2021 Division 3

Bodybuilder, Passing Marks, OR of ANDs, Chocolate Monger

May Challenge 2021 Division 2 (Rated)

King Killing, Solubility, Golf, Modular Equation, Tic Tac Toe, Xor Equality, An Interesting Sequence, Tree House, Valid Paths

June Challenge 2021 Division 2 (Unrated)

Minimum Dual Area, Shortest Route, Bitwise Tuples, Bella ciao, Summer Heat, Minimum Subtree Cover

June Cook-Off 2021 Division 2

XOR Folding, The Wave, Binary String on Steroids, ICPC Balloons, Chefland Visa

August Cook-Off 2021 Division 2

Different String, Chef and Closure, Equal Difference, Clear the Array

August Lunchtime 2021 Division 2

K-th Maximum, Crossing Blocks, Just a Graph

CodeChef Starters 10 Division 2 (Rated)

Remove One Element, Maximise the Subsequence Sum, Magical Flips

AlgoManiac - Code For Future Division 2 (Unrated)

Say No To Drugs, The Old Saint And Three Questions, Meet In The Median

September Cook-Off 2021 Division 2

Chef and Pairwise Distances, Zebra Crossing, Fake Swaps, Adjacency Hatred

CodeChef Starters 11 Division 2 (Rated)

Positive Spewing, The Grid Fill Problem, Obtain the Sum

November Lunchtime 2021 Division 2

Chef and Stock Prices

Total Problems Solved: 61