Shishir Sinha

• Username: 3★shishir_mangal
• Country:  India
• Student/Professional:Student
• Institution:School of Engineering, Cochin University of Science and Technology
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

Rating Graph

No. of Contests Participated: 29

Current Ratings Graph Old Ratings Graph

1753 (-5)RatingProvisional
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January Cook-Off 2021 Division 2(2021-01-25 00:30:02)

Global Rank:   1153

Cheated in:   

Ratings System Update

(2021-01-25 00:30:02)

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1753 (-8)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   1153

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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Practice Paths (0)

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Contests (29)

November Cook-Off 2018 Division 2

Beautiful Garland, Truth and Dare

November Challenge 2018 Division 2

Chef and Difficult Contests, Chef and Ridges

January Challenge 2019 Division 2

Yet Another Problem About Sequences, Different Neighbours, Lucky Number Game, Distinct Pairs, Chef and Modulo Game, Fancy Quotes, A Pizza Slice

January Cook-Off 2019 Division 2

Ada King, Ada School

February Challenge 2019 Division 2

Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Art of Balance, Deputy Chef

February Lunchtime 2019 Division 2

Average Number, The Tricky Deal

March Challenge 2019 Division 2

Chef and Number Game

June Challenge 2019 Division 2

Road Signs, Guddu on a Date, Chef and Proxy

August Challenge 2019 Division 2

Dilemma, Football, Distribute Apples

September Challenge 2019 Division 2

Easy Fibonacci, Chef Designed a Network, Chef and Interesting Subsequences

September Mega Cook-Off 2019 Division 2

Playing with Matches, Two Groups

September Lunchtime 2019 Division 2

Chef Feeds Cats

October Mega Cook-Off 2019 Division 2

Cakewalk, Medel

November Challenge 2019 Division 2

Hard Sequence, Weapon Value

February Challenge 2020 Division 2

Long Contest and Cook Off Overlaps, (Challenge) Raisins, School of Geometry, The Theatre Problem, Hard Cash, No Change Required

March Challenge 2020 Division 2

XOR Engine, Ada Bishop 2, Pintu and Fruits

April Challenge 2020 Division 2

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

May Challenge 2020 Division 2

Triple Sort, Coronavirus Spread, Isolation Centers

January Lunchtime 2020 Division 2

Bob and His Friends, Chef and Street Food

February Lunchtime 2020 Division 2

At the Gates

March Lunchtime 2020 Division 2 (Unrated)

Chef Swaps Digits, Good Prefix

Biteration #2 (Rated for Division 2)

A - Books

June Challenge 2020 Division 1

The Tom and Jerry Game!, Covid Sampling (Challenge), Chef and String, Chef and Price Control

July Challenge 2020 Division 1

Chefina and Swaps, Missing a Point

July Cook-Off 2020 Division 2

Even-tual Reduction

July Lunchtime 2020 Division 2

Chef and Steps

RECode 12.0 (Rated for all)

Chef and String, Chef and Numbers

January Cook-Off 2021 Division 2

Prime Tuples, Distinct Pair Sums, Maximise Islands, Password

September Cook-Off 2020 Division 2

Bowling Strategy

Code Ensemble (Rated for Division 2)

Priya and AND, Help Martha

Total Problems Solved: 152