Ivan Deka

• Username: 5★ivand10
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Bhilai Chhattisgarh
• 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: 26

Current Ratings Graph Old Ratings Graph

2055 (+42)RatingProvisional
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CodeChef Starters 15 Division 2 (Rated)(2021-10-12 23:15:02)

Global Rank:   44

Cheated in:   

Ratings System Update

(2021-10-12 23:15:02)

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2055 (+2)RatingProvisional
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CodeChef Starters 15 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   44

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 (26)

January Challenge 2019 Division 2

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

February Challenge 2019 Division 2

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

February Cook-Off 2019 Division 2

Chef and Secret Password, Buying New Tablet, Chef and Party

March Challenge 2019 Division 2

Chef and a Beautiful Digit, (Challenge) Interleaving Strings, Chef and Number Game, Chef got Recipes

April Lunchtime 2019 Division 1

Minimum Sum

June Challenge 2019 Division 1

Lent Money, Chef and Ingredients, Sum and GCD, (Challenge) SnackDown 99

August Challenge 2019 Division 1

Maximize an Expression, Dilemma, Guddu and his Mother

August Cook-Off 2019 Division 1

Rich Substrings

September Challenge 2019 Division 1

Biladerim Icin, Fuzzy Linear Combinations, Chef Designed a Network

October Lunchtime 2019 Division 1 (Unrated)

Box Game

November Cook-Off 2019 Division 1

The Biggest Restaurant

January Challenge 2020 Division 1

Chefland Army, (Challenge) Building Anthills, English, Doofish Matrix, Chefina and Prefix Suffix Sums, Chef and Dynamo, Doraemon

February Challenge 2020 Division 1

Chef and Railway Stations, Expected Change, No Change Required, (Challenge) Raisins, Long Contest and Cook Off Overlaps

February Lunchtime 2020 Division 1

Swapping to Palindrome

August Lunchtime 2020 Division 1

Alien Invasion , Counting Graphs, Game on a Strip

December Challenge 2020 Division 1

Hail XOR, Square Root of LCA Convolution, Calculus, Digit Matrix, String Operations, Positive Prefixes, Even Pair Sum

November Lunchtime 2020 Division 1

Gasoline

February Lunchtime 2021 Division 1

Average Sorting, Sed Max

March Lunchtime 2021 Division 1

Uniform, Lunchtime

June Lunchtime 2021 Division 1

From Rational to Binary, HTML Tags, Richie Rich, Tic Tac Toe

July Cook-Off 2021 Division 1

Mod Equality

August Cook-Off 2021 Division 2

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

August Lunchtime 2021 Division 2

K-th Maximum, Crossing Blocks, Just a Graph, Chef and Deque

September Cook-Off 2021 Division 1

Fake Swaps

September Lunchtime 2021 Division 2

Balanced and Unique Arrays, Alice vs Bob Faceoff, Yet another SOD problem

Total Problems Solved: 192