Rahul Singh

• Username: 2★rahul_singh787
• Country:  India
• Student/Professional:Professional
• Organisation:Tata Consulatancy Services
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 21

Current Ratings Graph Old Ratings Graph

1599 (+15)RatingProvisional
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Starters 243 (Rated)(2026-06-17 22:00:04)

Global Rank:   702

Cheated in:   

Ratings System Update

(2026-06-17 22:00:04)

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1506 (-117)RatingProvisional
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C.O.D.E.R.S Division 3 (Rated)(2022-12-20 00:00:00)

Global Rank:   659

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)

Practice Paths (4)

1400 to 1600 difficulty problems

1%

1000 to 1400 difficulty problems

5%

Two Pointers and Sliding Window Technique

13%

Arrays, Strings & Sorting

50%

Contests (21)

August Challenge 2021 Division 3 (Rated)

Olympics Ranking

September Challenge 2021 Division 3 (Rated)

Airline Restrictions, Travel Pass

October Challenge 2021 Division 3 (Rated)

Which Mixture

CodeChef Starters 16 Division 3 (Rated)

Professor And Directions, Chef And Salary Pay, Pass or Fail

October Cook-Off 2021 Division 3

Chef and Pairing Slippers

October Lunchtime 2021 Division 3

Alternating Work Days, Exactly N plus 1 Values, Problem Category

November Challenge 2021 Division 3 (Rated)

Weird Palindrome Making, Hill Sequence, Equal Coins, Which Fuel is Cheaper

November Cook-Off 2021 Division 3

Missing Sums, Odds and Evens, Disabled King

CodeChef Starters 17 Division 3 (Rated)

Chef on Vacation, New Piece

CodeChef Starters 18 Division 3 (Rated)

Back to Campus, Make them equal

C.O.D.E.R.S Division 3 (Rated)

The One On The Last Night, The One with Russ, The One Where It All Began

FizzBuzz Division 3 (Rated)

Magical Planks, Can_Reach, Can You Eat It

November Lunchtime 2021 Division 3

Minimum Number of Pizzas, Chef and Stock Prices

January Long 2022 - I, Division 2 (Unrated)

Prime in a binary string

February Long 2022 - II, Division 2 (Unrated)

Xor Palindrome, Avoid Fixed Points

Weekend Dev Challenge 37: Spring Boot Projects

Corporate Asset Registry Project

Starters 234 (Rated)

Cooler, Non-Negative Sum

Starters 235 (Rated)

Balanced Positions in a Permutation, MEX Spectrum, Recover Palindrome

Starters 236 (Rated)

Shift And Sort, Cute Substrings, Palindrome Check

Monday Munch - DSA Challenge 33

Next Permutation, Maximum Subarray , Subarray Sum equals k

Starters 237 (Rated)

DIividing Candies, Make Triangle, Election, Final Element

Starters 238 (Rated)

Cricket Nets, WEC-REC, Modular Mirrors

Starters 240 (Rated)

Counting LCM (Easy), Binary Smile, Comfortable Seating, Counting Characters , Partition

Starters 242 (Rated)

Early Certificates, Eventually Equal, Draft Picks

Starters 243 (Rated)

Interesting Match, Lose Less, Starved for Seating, OR Operations

Total Problems Solved: 116