Rajiv Singh

• Username: 4★iamrajiv
• Country:  India
• Student/Professional:Student
• Institution:JSS Academy of Technical Education, Bengaluru
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 34

Current Ratings Graph Old Ratings Graph

1872 (+60)RatingProvisional
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Starters 193 (Rated)(2025-07-02 22:30:02)

Global Rank:   6

Cheated in:   

Ratings System Update

(2025-07-02 22:30:02)

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1776 (-325)RatingProvisional
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March Challenge 2021 Division 1(2022-12-20 00:00:00)

Global Rank:   85

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 (34)

August Challenge 2019 Division 2

Football

February Challenge 2020 Division 2

School of Geometry

April Challenge 2020 Division 2

Sell All the Cars, COVID Pandemic and Long Queue

May Challenge 2020 Division 2

Coronavirus Spread, Isolation Centers

April Cook-Off 2020 Division 2

Lift Requests

May Cook-Off 2020 Division 2

Chef and Recipe

May Lunchtime 2020 Division 2

Weird Walk, Lost Weekends

June Challenge 2020 Division 2

The Tom and Jerry Game!, Chef and Price Control, Chef and String, Chef and Icecream, Even Matrix

July Challenge 2020 Division 2

Ada King, Chefina and Swaps, Missing a Point, Doctor Chef, Chef and Card Game, Chef and Strings

August Challenge 2020 Division 2

Smallest KMP, Chef and Wedding Arrangements, Chef and Linear Chess, Another Card Game Problem, Chef Wars - Return of the Jedi

July Cook-Off 2020 Division 2

Even-tual Reduction, OR-thodox Distinction

July Lunchtime 2020 Division 2

Chef and Steps, Maximum Candies

June Cook-Off 2020 Division 2

Cache Hits, Max Mex

June Lunchtime 2020 Division 2

Chef and Demonetisation, Increasing Decreasing

RECode 12.0 (Rated for all)

Chef and String

October Challenge 2020 Division 1

Positive AND, Replace for X

November Challenge 2020 Division 1

Restore Sequence, Magical Candy Store, Scalar Product Tree, Unusual Queries

January Challenge 2021 Division 1

Chef and Ants

Coders' Legacy (Rated for all)

Chef vs Doof, Doof on Cartesian

February Challenge 2021 Division 2

XOR Sums, Maximise Function, Highest Divisor, Frog Sort, Prime Game, Multiple Games, Team Name, Another Tree with Number Theory

March Challenge 2021 Division 1

Dense Graph, Consecutive Adding, Paparazzi Gennady, Space Arrays, Wireless Electricity (Challenge), Maximum Topological Sort

SnackDown 2021 - Online Qualifiers

Lucky Number

SnackDown 2021 - Online Round 1A

Min Max LCM, Dance Moves

SnackDown 2021 - Online Round 1B

Queens Placement , Largest Laddu, Help Nishant

Starters 187 (Rated)

OR What, Incremental Game, Distinct Representations

Starters 188 (Rated)

Subset Sum 3, Yet Another Monsters Problem, K Boxes

Starters 189 (Rated)

Number Walks, Nutrition Cost, Create Binary String, Sortable Subarrays (Easy)

Starters 190 (Rated)

GCD Equals Mex, Subsequence Sort, Light All, Min-Max Deletion, Parry It! (Easy)

Starters 191 (Rated)

Add to get GCD, Permuted Greater than 2

Starters 192 (Rated)

Security Lines, Equate XY, No 3 Please!

Starters 193 (Rated)

Mex Tree (Min), Interactive MST, Add Permutation, Check Odd Even Divisors, Count Odd Even Divisors

Total Problems Solved: 134