R Sundararajan

• Username: 4★rajans
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Kanpur
• 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: 12

Current Ratings Graph Old Ratings Graph

1966 (+48)RatingProvisional
Rating i Provisional Rating, click to know more

July Challenge 2015(2015-07-13 15:00:00)

Global Rank:   263

Cheated in:   

Ratings System Update

(2015-07-13 15:00:00)

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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1966 (-51)RatingProvisional
Rating i Provisional Rating, click to know more

July Challenge 2015(2022-12-20 00:00:00)

Global Rank:   263

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 (12)

March Challenge 2014

Binary Tournament, Team Split, Little Chef and Numbers, Walk

April Challenge 2014

Counting Matrices, Farmer Feb, Shortest Path in Binary Trees

May Challenge 2014

Compilers and Parsers, Chef-jumping, Stone

June Challenge 2014

Chef and Subarray, Guessing Game, Forgot Password

July Challenge 2014

Garden Game, Dish Owner, Reach The Point, Count Substrings, Chef and Rectangle Genome, Chef and Frogs, Little Elephant and Painting

August Challenge 2014

Chef and Reversing, The Leaking Robot, Chef and Gift

September Challenge 2014

Flooring, Fun with Rotation, Chef and sequence, Chef and Rainbow Array - 2, Factorisation, Chef and Left-Right

October Challenge 2014

Remy paints the fence, Chef and Ground, Chef and Square, Magical Girl and Colored Liquid Potions, DevuLand, Dinosaurs and Laddus

November Challenge 2014

Distinct Characters Subsequence

December Challenge 2014

Chef and Apple Trees, XOR with Subset, Chef and Bracket-Pairs, Alok-nath and His Sanskars, Chef Under Pressure

January Challenge 2015

Queries on the String, Chef and A Large Permutation, Sereja and LCM, Chef and Stones, Sereja and Votes, One Dimensional Kingdoms, Gcd Queries

July Challenge 2015

Addition and Multiplication, Sereja and Game 2, Bread, MasterChef, Na2a and lucky stone, Chef and Cube

Total Problems Solved: 67