Sachin K Sinha

• Username: 4★sachink19
• Country:  India
• Student/Professional:Professional
• Organisation:
• 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: 10

Current Ratings Graph Old Ratings Graph

1929 (-38)RatingProvisional
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Starters 143 Division 2 (Rated)(2024-07-17 22:00:02)

Global Rank:   1601

Cheated in:   

Ratings System Update

(2024-07-17 22:00:02)

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1967 (-125)RatingProvisional
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CodeChef Starters 33 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   117

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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Practice Paths (0)

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Contests (10)

March Challenge 2020 Division 2

Ada Bishop 2, Pintu and Fruits, XOR Engine

April Challenge 2020 Division 2

Strange Number, Squared Subsequences, Unit GCD, Sell All the Cars, Leaked Answers (Challenge), COVID Pandemic and Long Queue

March Cook-Off 2020 Division 2

Mysterious Sequence, Find Your Gift, Box of Chocolates

April Cook-Off 2020 Division 2

Matrix Decomposition, Lift Requests, Simple Operations

February Lunchtime 2020 Division 2

At the Gates, Not All Flavours

CodeChef Starters 31 Division 2 (Rated)

XOR and AND, Alternating String, Sign Moves, The Unchanging OR

March Lunchtime 2022 Division 2

Sad Splits, Winter, Adjacency Love

April Cook-Off 2022 Division 2

Sticks and Rectangles

CodeChef Starters 33 Division 2 (Rated)

Stable Mex, Distinct Dilemma, Broken Life, Non Adjacent Flips, Make Them Equal

Starters 143 Division 2 (Rated)

Binary Conversion

Total Problems Solved: 38