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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 » Abhishek Saini
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Abhishek Saini

  • 5★abhisheksaini1
  •   India
  • Professional
  • Google Inc
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 116
2161 (-36)RatingProvisional
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Starters 168 (Rated till 6 stars)(2025-01-08 22:30:00)
Global Rank:   175
Cheated in:   

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Starters 69 Division 1 (Rated till 6-stars)(2022-12-20 00:00:00)
Global Rank:   96
Cheated in:   

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Practice Paths (1)

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Practice for ZCO and INOI

16%

Contests (116)

October Cook-Off 2014

The Army, Walk on the Axis

December Cook-Off 2014

Good Joke!

October Challenge 2014

Chef and Ground, Magical Girl and Colored Liquid Potions, DevuLand, Dinosaurs and Laddus

November Challenge 2014

Chef and Segment Game, Distinct Characters Subsequence, Chef and Red Black Tree, Let us construct palindrome

December Challenge 2014

Chef and Bracket-Pairs, Chef and Apple Trees

October Lunchtime 2014

Tanu and Head-bob

November Lunchtime 2014

A wolf, a sheep and cabbage

January Challenge 2015

Sereja and Number Division 2, Chef and A Large Permutation, Chef and Stones, Sereja and Votes, One Dimensional Kingdoms, Gcd Queries

February Challenge 2015

Chef and Chain, Chef and Strange Formula, Chef and Strings, Let us play with rank list, Chef and Equality

March Challenge 2015

Count Substrings, Chef and Notebooks, Devu and his Class, Sign Wave

May Challenge 2015

Devu and his three Hands, Devu and binary String, Chef and Prime Divisors, Set Difference , Chef and new recipe, Chef and Cake

June Challenge 2015

Steady tables, Chef and His Friend, Chef and Memory Limit, Chef and Polygons, Anticommutative implication, Chef and String

July Challenge 2015

Addition and Multiplication, Maximum Difference Walk, Sereja and Game 2, Bread, MasterChef, Na2a and lucky stone, Chef and Cube, Rohith and Circles

August Challenge 2015

Way Out, Social Cluster, Gravity Guy, Devu And Churu , Cooking Machine, Aditi and Magic Trick, Chef and insomnia

September Challenge 2015

Chain of Doughnuts, Nikitosh and xor, Count Steps in Matrix, Bank robbery, Lighthouses, Cracking the Code

October Challenge 2015

Time measure, Count Subarrays, Who dares to be a millionaire, Spheres, Cyclic shifts in permutation, Rupsa and Equilateral Triangle

December Challenge 2015

Chef and cinema, Chef and the stones, Plane Division, Oracle Devu and Longest Common Subsequence, Chef and Filters, Chef and Girls

May Cook-Off 2015

Devu and friendship testing, Devu and decorating birthday cake

August Cook-Off 2015

Chef and the XORed Number , Chef and the Wildcard Matching

September Mega Cook-Off 2015

Forgotten Language, Stacks

October Cook-Off 2015

Word Stem, Almost Sorted Permutation

February Lunchtime 2015

Lucky Four

May Lunchtime 2015

Devu and Grapes

June Lunchtime 2015

Chef and Submatrix, Chef and Two Strings

August Lunchtime 2015

Churu and lost string, Make Palindrome, Minimum Maximum

September Lunchtime 2015

Sum of palindromic numbers

October Lunchtime 2015

emitL

November Lunchtime 2015

Query over Matrix, Black And White Cells

December Challenge 2016

Train Partner, Kth Max Subarray, Kirito in labyrinth, Edit Distance Revisited, Our Base is Under Attack

January Cook-Off 2016

Chef and Destruction, Chef and Fruits

February Cook-Off 2016

Puppy and Catchers, Puppy and Board, Puppy and Sum

September Cook-Off 2016

Lazy Jem, The Lost Arithmetic Sequences, Counting Strings, Find The Point

October Cook-Off 2016

Sherlock and the Ugly Flower, Watson asks Does Permutation Exist, ChefWatson uses Social Network

December Cook-Off 2016

Chef and Subset, Chef and Subarrays

December Lunchtime 2016

Superheroes and villains, Fly height mode

January Challenge 2017

Capital Movement, Cats and Dogs, Chef and Circle, Reservior, Tourists in Mancunia

March Challenge 2017

Cooking Schedule, Completing favorite game, Xenny and Alternating Tasks, Pishty and birthday, Bear and Extra Number, (CH) Bear and Sorted Rows, Bandwidth of a matrix

January Cook-Off 2017

Digit Longest Increasing Subsequences 2

February Cook-Off 2017

Download file, Chairs, Cooking Game

February Lunchtime 2017

Bear and Milky Cookies

May Challenge 2017

Chef and Sub Array , Long Sandwich , Gotham PD, Chef and his daily routine, Courses in an university, Blocked websites, Median of adjacent maximum numbers, Chef and Subsequences, Chef and Battleship

June Challenge 2017

Chef and Prime Queries, A Good Set, Cloning, Chef and the Feast, Xenny and Coin Rankings, Triplets, Pairwise union of sets

May Cook-Off 2017

La Liga, Balanced Array

April Lunchtime 2017

Bear and Segments, Bear and Segment 01

May Lunchtime 2017

Prefix Inversions, Post Tree

Alkhwarizm 2017 (Rated)

Logan and his XOR debacle, X-24 and his SUBSET code, Charles and the BRUTAL subsequences, Professor X and Grouping of Numbers

January Cook-Off 2018

Multiple of 3, Survive in ChocoLand

International Coding League (Rated)

Matrix Game, Stingy Strings, Maze Love

February Cook-Off 2018

Chef and Cook-Off, Chef and Tuples, Chef and Chefness, Chef and Line

March Challenge 2018 DIV 1

Chef and Easy Problem, Mix the Colors, Minions and Voting

March Cook-off 2018 Division 1

Chef Goes to the Cinema, Chef Restores an Array, Chef Restores a Matrix

May Cook-off 2018 Division 1

Difficult Choice, Best Cake Ever

June Cook-Off 2018 Division 1

Masha and Minions, Sonya and Segments, Good Permutations

August Cook-Off 2018 Division 1

GukiZ and Candies, Mixi Game

October Mega Cook-Off 2018 Division 1

Binary Nim 2, Pumping Water

November Cook-Off 2018 Division 1

Beautiful Garland

June Lunchtime 2018 Division 1

Sort the Leaves, Summary Power

Code Melange (Rated)

XD Subsequences, CPI Crisis, The Deadly Sin, Candy Love

Coders' Legacy 2018 (Rated)

Fibonacci String

Replay of Indian IOI Training Camp (IOITC) #1 (Rated)

Circular Intervals

ProCon 2018 (Rated for all)

The Great Run, Kill them with your success, Awkward Pairs, Algebra Score, The Illusionist

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

XOR! Wait for it, Return of the Gargoyle King, Ross goes for Shopping, Summation over nCr

March Cook-Off 2020 Division 1

Mysterious Sequence, Maximize Letter Beauty, Escape the Tree

March Lunchtime 2020 Division 1 (Unrated)

Maximize LCM, Strip in a Tree!

ENIGMA - PLINTH'20 LNMIIT (Rated for all)

Corruption in Freedonia, Gru is Handing Out Bananas, Minion AND Range, Recruit Villagers

CodeChef Starters 31 Division 1 (Unrated)

XOR and AND

Starters 68 Division 1 (Rated till 5-stars)

Boring String, XOR Product, Make Money

Starters 69 Division 1 (Rated till 6-stars)

Distinct Sequence, Longest Subarray

Starters 70 Division 1 (Rated till 6-stars)

X AND Y Tree, Two Counters, Prime Reversal, Frequency Array Retrieval

Starters 72 Division 1 (Rated till 5-Stars)

N Triplets, Good Sequence, No sequence

Starters 73 Division 1 (Rated till 6-Stars)

Minimum OR Path, Find an integer, Consecutive Xor, First To Last

Starters 74 Division 1 (Rated till 6-Stars)

Candies, Maximum Xor Sum, Distinct Values, Lcm hates Gcd, Minimal Inversions

Starters 75 Division 1 (Rated till 6-Stars)

Equal Hamming Distance, Prefix Ones

Starters 76 Division 1 (Rated till 5-Stars)

Make Array Odd, Expected Value, Construct Array, Not Divisible

Starters 77 Division 1 (Rated till 5 Stars)

K Forests, Concat Palindrome, K Increment Palindrome, Three Numbers

Starters 80 Division 1 (Rated till 5 stars)

Permutation Subsequence, Prefix Permutation

Starters 82 Division 1 (Rated till 6 stars)

Find eX, Difference Matrix

Starters 84 Division 1 (Rated till 6 Stars)

MEX Sequences, SUM OR, Max count of 1, Digit Operation, Chef And Adjacent Sums

Starters 85 Division 1 (Rated till 6 stars)

Crazy Bishops on Chessboard, Efficient PAN Linking, GCD Queries, Bomb Blast, TripTastic

Starters 86 Division 1 (Rated for All)

Minimum Operation, String Game , Largest Y

Starters 87 Division 1 (Rated till 6 Stars)

Count the Permutations (always), Inversions of subsequences, AB plus C, One or All

Starters 83 Division 1 (Rated)

Construct String, Order by XOR, Rotate to Minimum

Starters 88 Division 1 (Rated till 6 Stars)

Maximum And Or, Chef and Asteroids, Chef and Good Array

Starters 89 Division 1 (Rated till 5 Stars)

Positive or Negative Subarrays, Subarray Removal, Two Averages, Evil Infection

Starters 90 Division 1 (Rated till 6 Stars)

Crushed Apples and a Balance Scale, Sum of Goodness, Printing Binary Array, Anti Palindrome

Starters 92 Division 1 (Rated till 6 Stars)

Rectangular Tiling, Dividing into Groups, Beautification of array, Distance Coloring

Starters 96 Division 1 (Rated till 5 Stars)

Swap the numbers, Mex Array, Absolute Differences

Starters 97 Division 1 (Rated till 6 Stars)

Make It Special, Unreachability Cost, No Palindrome, Triplets Min

Starters 99 Division 1 (Rated till 6 Stars)

Segment Three, Musical Chairs, Two Piles, Exclusion-Inclusion

Starters 100 Division 1 (Rated)

Prime Permutation, Stamps 100, Concussive Sequence, Ant

Starters 101 Division 1 (Unrated)

Minimize Xor Difference, Split and ADD, Snakes on a Grid, Partially Increasing Array Queries, Warrior Chef

Starters 102 Division 1 (Rated till 6 Stars)

Chess ELO, Parity Permutation, Circular Trouble, Light The Bulb, Chef Segment, Bit Play

Starters 103 Division 1 (Rated till 6 Stars)

Squarified, Chandelier, Unique xor, Divisible By 8

Starters 104 Division 1 (Rated till 6 Stars)

Find Diameter, Lexicographically Largest , Construct An Array, Maximise Sum

Starters 105 Division 1 (Rated till 6 Stars)

Ghoul-icious Goodies, Racing Dead, Spooky Sequences, Dull Operation, Wishcraft

Starters 106 Division 1 (Rated till 5 Stars)

Playing with OR, Save People, Guess the winner!, Count Possibilities, Reach Anywhere, Summing the values

Starters 107 Division 1 (Rated till 6 Stars)

Maximal Expression, Adjacent Flips, OR Permutation

Starters 108 Division 1 (Rated till 6 Stars)

Palindromic Prime Numbers, Fair Distribution, Continuous Subarrays, Multiple of 9

September Short 2023 Division 1 (Unrated)

GCD Discount, Ultimate Fencing, Lucky Seven, Slow Start, Mixing Extraordinaire

Starters 111 Division 1 (Rated till 6 Stars)

LCM Mania, Prefixing, Prime Range Game, Beautiful Strings, ODI Cricket

Starters 112 Divison 1 (Rated till 6 Stars)

Cursed Indices, 3 Logicians Walk into a Bar, Yet Another Array Game

Starters 113 Division 1 (Rated)

Count Distinct Arrays, Minimise Maximum Subarray Sum, Make All Equal, Score Sum, Maximum Score

Starters 114 Division 1 (Rated till 6 Stars)

Chef and Tag, Rock-Paper-Scissors

Starters 115 Division 1 (Rated)

Subtraction Sequence I, Greedy LIS Algorithm, Binary Grid Forces, Make All Zero

Starters 118 Division 1 (Rated till 5-Stars)

Count Substrings, Join States, Is it uniquely decodable, Xorry 2, Xorry 1

Starters 120 Division 1 (Rated till 6 Stars)

Find Permutation , Construct Permutation, Count Subarrays, Count Arrays

Starters 122 Division 1 (Rated till 6-Stars)

Arya In Grid, Transformation Cost

Starters 123 Division 1 (Rated till 6-Stars)

Minimum And Maximum I, Yet Another Alice Bob Game, Trial of the Conqueror, Minimum And Maximum II

Starters 125 Division 1 (Rated till 6-Stars)

Bucket Game, Manhattan Xor, Binary Minimal

Starters 126 Division 1 (Rated till 6 Stars)

Tree Distance Set, Freedom, Triangular Swaps

Starters127 Division 1

Array Operations, ABC Conjecture, Anti-Triangle

Starters 128 Division 1 (Rated till 6-Stars)

Binary Substring, XOR And Multiply, Counting Problem, Defeating Monsters

Starters 129 Division 1 (Rated till 5-Stars)

Palindromic Substrings, SumXor

Starters 130 Division 1 ( Rated till 6-Stars)

Updating A, Make Equal, Good Binary String

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)

Graph Cost, Limit of MEX, Change A to B

Starters 136 Division 1 ( Rated till 6-Stars )

Game On Rectangle, Lexicographically Maximal Prefix AND, Sum of Max K Subarray, Sum of Modes

Starters 138 Division 1 (Rated till 6-Stars)

A power B mod C , TRIPLE PRIMES, Prefix Suffix Inequality, Breezy Mode Problem, Distinct Substring

Starters 146 Division 1 (Rated till 5 stars)

Back Front, Bouncing Ball, Permutation Construction

Starters 150 (Rated till 6 stars)

Equal Pairs (Hard)

Starters 152 (Rated till 6 stars)

Maximize Hamming Distance, Anti-Palindrome Queries

Starters 153 (Rated till 5 stars)

Another Game, Colorful Tree (Easy Version), Xometry (Easy Version), Xometry (Hard Version)

Starters 154 (Rated till 6 stars)

Count Winning Subarrays, GCD and XOR, Triangle Count (Easy)

Starters 156 (Rated till 6 stars)

Partition Score

Starters 166 (Rated till 6 stars)

All Equal, Distinct Power, Divisors Array (Hard Version), Divisors Array (Easy Version), Costly Permutations, Chefland Library

Starters 168 (Rated till 6 stars)

No Two Alike, Binary Removals

Total Problems Solved: 882

2161
(Div 1)
★★★★★
CodeChef Rating (Highest Rating 2375)
  • 632 Global Rank
  • 273 Country Rank

Badges

Contest Contender -  Diamond Badge

Contest Contender - Diamond Badge

Received for participating in 100 Contests

Problem Solver - Gold Badge

Problem Solver - Gold Badge

Received for solving 500 Problems

Daily Streak - Bronze Badge

Daily Streak - Bronze Badge

Received for maintaining a streak of 5 days

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