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Practice Compete Compiler
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Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

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Programming and DSA

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Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

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Practice Compete Compiler
Home » Siddharth Singhal
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Siddharth Singhal

  • 5★mountaim
  •   India
  • Professional
  • Flipkart Internet Pvt. Ltd.
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 84
2048 (+25)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 208 (Rated till 6 star)(2025-10-15 22:00:00)
Global Rank:   83
Cheated in:   

Ratings System Update

(2025-10-15 22:00:00)
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2041 (-199)RatingProvisional
Rating i Provisional Rating, click to know more
August Cook-Off 2021 Division 1(2022-12-20 00:00:00)
Global Rank:   75
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)

Practice Paths (1)

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Practice for ZCO and INOI

7%

Contests (84)

December Cook-Off 2018 Division 2

Camp Or Not

December Challenge 2018 Division 2

Max and Electrical Panel, Chef and Interactive XOR, Chef and Meatballs, Chef and Interactive Contests, Chef and An Ideal Problem

November Challenge 2018 Division 2

Chef and Difficult Contests

October Challenge 2018 Division 2

Chef and Serves, Byte to Bit

December Lunchtime 2018 Division 2

Print Pattern

January Challenge 2019 Division 2

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

January Cook-Off 2019 Division 2

Ada School, Ada King

Plinth-Enigma'19 LNMIIT Techfest - (Rated for all)

XOR! Wait for it

February Challenge 2019 Division 2

Manhattan Rectangle, Guess It Right, Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, (Challenge) Chef with Orchestra in the Kitchen, Art of Balance, Deputy Chef

March Challenge 2019 Division 1

Chef got Recipes, Chef and Number Game

March Cook-Off 2019 Division 2

XOR N-bonacci Sequence

March Lunchtime 2019 Division 2

Testing Robot

April Challenge 2019 Division 2

Friend or Girlfriend, Maximum Remaining, Fencing

April Cook-Off 2019 Division 2

Making a Meal, Chef Learning Hungarian Algorithm

June Challenge 2019 Division 2

Road Signs, Chef and Proxy, Lent Money, Guddu on a Date, Chef and Ingredients, Sum and GCD, (Challenge) SnackDown 99

June Cook-Off 2019 Division 1

Ants and Anteaters, Drink Slush

July Challenge 2019 Division 2

Guess the Prime!, Parity Again, Codechef War, Minimum and Maximum, Chef and Mean

August Challenge 2019 Division 1

Guddu and his Mother, Dilemma, Maximize an Expression, Football, Distribute Apples, Zombie and the Caves

September Challenge 2019 Division 1

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

September Lunchtime 2019 Division 1

All Substrings, Find the Sum

October Challenge 2019 Division 1

Even Edges, Chef and Maximum Star Value, Array Modification, (Challenge) Maximizing LIS, Operations on a Matrix, Phone Prices

October Lunchtime 2019 Division 1 (Unrated)

Box Game

November Lunchtime 2019 Division 1

Planting Trees

December Cook-Off 2019 Division 1

Xor It

December Lunchtime 2019 Division 1

The Evil Professor, Guess the number

December Challenge 2019 Division 1

Chefina and Ranges, Plus Multiply, Binary XOR, Easy Subsequence Selection, Sticky Notes, (Challenge) Cubical Virus, That Is My Score!, Addition

Code Melange (Rated for all)

Greg and Grid, A Small Array, Max power

February Challenge 2020 Division 1

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

March Challenge 2020 Division 1

Lasers Everywhere

January Cook-Off 2020 Division 1

Range AND

March Cook-Off 2020 Division 1

Mysterious Sequence, Maximize Letter Beauty, Escape the Tree

April Cook-Off 2020 Division 1

Simple Operations

May Cook-Off 2020 Division 1

Roads in Chefland

January Lunchtime 2020 Division 1

Under the Tunnels, Folding Paper

March Lunchtime 2020 Division 1 (Unrated)

Maximize LCM

April Lunchtime 2020 Division 1

Positive Mex

May Lunchtime 2020 Division 1

Convert the String, Tree difference

Exun Programming Prelims 2019 (Rated for all)

Weird Modulo Problem , Tennis Tournament, Chipped Tree

ENIGMA - PLINTH'20 LNMIIT (Rated for all)

Banana String, Gru is Handing Out Bananas, Minion AND Range, Recruit Villagers

International Coding Marathon (Rated for all)

Lavanya Loves DFA, Are These Equal, Mr Pr in a Dilemma

UWCOI 2020 (Rated for all)

Button Pairs, Find maximum in an Array

June Challenge 2020 Division 1

Even Matrix, The Tom and Jerry Game!, Operations on a Tuple, Convenient Airports, Chef and Icecream, Covid Sampling (Challenge), Chef and String, Chef and Price Control

July Cook-Off 2020 Division 1

Even-tual Reduction, OR-thodox Distinction, Path-etic Products

July Lunchtime 2020 Division 1

Golomb Sequence, Binary Concatenation

August Lunchtime 2020 Division 1

Game on a Strip, Counting Graphs, Alien Invasion

June Cook-Off 2020 Division 1

Per Capita Income, Checkpoints

June Lunchtime 2020 Division 1

Maximum AND

RECode 12.0 (Rated for all)

Chef and String, Chef and Walk, Chef and Rotation, Chef and Numbers

December Cook-Off 2020 Division 1

Self-Destructing Strings

January Cook-Off 2021 Division 2

Mex Subsequence, Not Too Colourful, Prime Tuples, Maximise Islands

December Lunchtime 2020 Division 1 (Unrated)

Three Letters, One Zero Swaps

October Cook-Off 2020 Division 1

Path-etic Sums, Yet Another Crossover Episode

November Cook-Off 2020 Division 1

Flip the String, Chef and IPC Certificates, Hiring Workers

October Lunchtime 2020 Division 1

Chef Is Just Throwing Random Words, Cute Chef Gift

November Lunchtime 2020 Division 1

Gasoline

Coders' Legacy (Rated for all)

Chef vs Doof, Doof on Cartesian, Doof fires Brackets, Jeremy gets a gift

September Lunchtime 2020 Division 1

Root the Tree, Robot Detector

Code Ensemble (Rated for Division 2)

Priya and AND, Help Martha

UWCOI 2021 (Rated for all)

Array Swaps, Hidden Numbers

February Challenge 2021 Division 2

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

March Cook-Off 2021 Division 1

Consecutive Deletions

February Lunchtime 2021 Division 1

Average Sorting

March Lunchtime 2021 Division 1

Uniform, Lunchtime

April Lunchtime 2021 Division 1

A Special Tree

May Cook-Off 2021 Division 1

Double Burgers

May Lunchtime 2021 Division 1

Total Components, K-Subarrays

June Cook-Off 2021 Division 1

Binary String on Steroids

June Lunchtime 2021 Division 1

From Rational to Binary, Richie Rich, Hidden Cell, Tic Tac Toe

August Cook-Off 2021 Division 1

Odd Array, Different String, Interactive Equivalency, Clear the Array

SnackDown 2021 - Online Qualifiers

Lucky Number, Maximum Number Of Distinct Elements

SnackDown 2021 - Online Round 1A

Yet Another Flipping Problem, Round Robin Ranks , Dance Moves, Min Max LCM

Starters 128 Division 1 (Rated till 6-Stars)

Binary Substring, XOR And Multiply

Starters 129 Division 1 (Rated till 5-Stars)

Palindromic Substrings

Starters 132 Division 2 (Rated)

ALIEN-OR, Optimal Flip, MEX QUERIES , Prime Query, GAME 11

Starters 133 Division 1 (Rated till 6-Star)

Powered Parameters, Too Far For Comfort (Easy Version)

Starters 134 Division 1 (Rated till 6-Stars)

Origin, Prison Escape, 3out1in

Starters 135 Division 1 (Rated till 5-Stars)

Change A to B

Starters 137 Division 1 (Rated till 5-Stars)

Speedrun, Double Trouble, Unusual Queries

Starters 138 Division 1 (Rated till 6-Stars)

A power B mod C , Prefix Suffix Inequality, Distinct Substring

Starters 162 (Rated till 5 stars)

Empty the String, Permutation Mod K

Starters 163 (Rated till 5 stars)

Tree Sum is Fun !, Nice Array, Permutation Pair, Sort Them, Lexio Swap

Starters 166 (Rated till 6 stars)

Distinct Power, Divisors Array (Hard Version), Divisors Array (Easy Version), Chefland Library

Starters 208 (Rated till 6 star)

XOR Sorting, GCND, Cycle and Add

Total Problems Solved: 389

2048
(Div 1)
★★★★★
CodeChef Rating (Highest Rating 2075)
  • 1210 Global Rank
  • 800 Country Rank

Badges

Contest Contender - Gold Badge

Contest Contender - Gold Badge

Received for participating in 50 Contests

Problem Solver - Silver Badge

Problem Solver - Silver Badge

Received for solving 250 Problems

Daily Streak - Bronze Badge

Daily Streak - Bronze Badge

Received for maintaining a streak of 5 days

Certificates

ADSA0017

Issued March 2022

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SNCK1A21

Issued December 2021

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SNCK19

Issued March 2019

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