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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

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Practice Compete Compiler
Home » Knockcat
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Knockcat

  • 2★knockcat
  •   India
  • Student
  • Graphic Era Hill University, Dehradun Uttarakhand, India
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 121
1556 (-22)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 210 (Rated)(2025-10-29 22:00:04)
Global Rank:   2537
Cheated in:   

Ratings System Update

(2025-10-29 22:00:04)
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?
1576 (+3)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 69 Division 3 (Rated)(2022-12-20 00:00:00)
Global Rank:   1277
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 (121)

January Cook-Off 2022 Division 3

Palindromes Not Allowed, Mask Policy, Hungry Ashish

CodeChef Starters 23 Division 3 (Rated)

Average of Three, Chef and Profits, Subarray Mex

January Lunchtime 2022 Division 3

Subarray permutations, Chef and Subset Additions, Chef and Lockout Draws

CodeChef Starters 24 Division 3 (Rated)

Avoid Contact, Badminton Serves, Yet Another Constructive Problem, EVM Hacking

February Long 2022 - I, Division 3 (Rated)

Binary Base Basics, N Queens Puzzle Solved !, Chef and the Hair Salon

February Cook-Off 2022 Division 2

Perfect Permutation, Prefix Permutation

February Long 2022 - II, Division 3 (Rated)

Avoid Fixed Points, World Chess Championship, Chef and NextGen, Xor Palindrome

CodeChef Starters 26 Division 3 (Rated)

Stone Game, Careless Chef, Count the Notebooks, Hostel Room, Control the Pollution

CodeChef Starters 27 Division 2 (Rated)

String Reverse, Distinct Binary Strings, The product mystery

February Lunchtime 2022 Division 2

Four Equidistant Points on a Grid, Parallel Processing, Magnet Sort

CodeChef Starters 28 Division 2 (Rated)

Permutation Xority, Count the Holidays

March Long One 2022, Division 3 (Rated)

Akash and Function, Subarray XOR, Substring of a Substring, Akash and Missing Class, Exact Marks, Wordle

CodeChef Starters 29 Division 2 (Rated)

String protocol, Plusle and Minun on Array, Decomposition Reaction

CodeChef Starters 30 Division 2 (Rated)

Gift Shop and Coupon, Balanced Reversals

March Cook-Off 2022 Division 2

Janmansh at Fruit Market, Equal Mex Splitting, Alternating Divisibility

CodeChef Starters 31 Division 3 (Rated)

Alternating String, Sign Moves, Group Assignment

March Lunchtime 2022 Division 3

Sad Splits, Minimum number of coins, Buy 2 Get 1 Free

CodeChef Starters 32 Division 4 (Rated)

Binary String Cost, Volume Control, Finding Shoes, Course Registration

April Cook-Off 2022 Division 4

Email Reminders

CodeChef Starters 33 Division 4 (Rated)

The Cheaper Cab, Monthly Budget, Minimum Cars required, Non Adjacent Flips, Make Them Equal

April Long One 2022, Division 4 (Rated)

Dazzling GCD Pair, Dazzling AXNODR Challenge , Ezio and Guards, The Cooler Dilemma 1, The Cooler Dilemma 2

CodeChef Starters 34 Division 4 (Rated)

Is the Score Consistent, Good Quality Bulbs, Expiring Bread

April Lunchtime 2022 Division 4(Rated)

Lunchtime, Mario and Transformation, Mario and Bullet

May Cook-Off 2022 Division 4 (Rated)

Chef and Gym, Chef and Masks, Farmers League

Starters 37 Division 4 (Rated)

The Mango Truck, Roller Coaster, Beat the Average, Laptop Recommendation , Infernos, Maximum OR Minimum

May Long One 2022 Division 4 (Rated)

Mystical Numbers, Pushpa , Sugarcane Juice Business, The Attack of Queen, Football Cup, Miami GP

Starters 38 Division 4 (Rated)

Chef gives Party, Get Subscription, Good Pairs, Dominant Army, Circular Track

May Lunchtime 2022 Division 4 (Rated)

Bucket and Water Flow , Apples and Oranges, Maximum Pairwise Modular Sum, How many unattempted problems, Problems in your to-do list

Starters 39 Division 4 (Rated)

Compress the Video, Closest Vowels, Recent contest problems, My very 1st contest!, A or B, Chess Ratings

May Long Two 2022 Division 4 (Rated)

Practice makes us perfect, Subsequence-Numbers Divisible by 7, Xor Palindrome, Subarrays with length, Score High, Total Prize Money, Make them Zero, Degree of Polynomial

June Long One 2022 Division 3 (Rated)

Subscriptions, Alternate Additions

Starters 48 Division 3 (Rated)

Buy Lamps, Fill The Grid, Make Palindrome 2, Positive array

July Long Two 2022 Division 3 (Rated)

Chef in his Office, To Divide or Not To Divide, Sum of Product 1, Hungry Chef

Starters 49 Division 3 (Rated)

N Buttons 1 Bulb, Split The String, High Frequency, Valid Minimum

Starters 50 Division 3 (Rated)

Permutation GCD, Sum Product Segments, Nearest Court, Average Permutation

Starters 51 Division 3 (Rated)

Split N, Final Population, Different Medians, TV Discount, Dominant Element

August Long 2022 Division 3 (Rated)

Angled Flip, Sale Season, XOR with smallest element, Hello Equation, Two Trains, Maximum Submissions, Make A and B equal

Starters 52 Division 3 (Rated)

AI Analysing Code, Minimum Sum, WA Test Cases, Air Conditioner Temperature, K-Flip, Gritty Grid

August Lunchtime 2022 Division 2 (Rated)

Test Averages, Candy Distribution, Equalizing Numbers, Easy Permutation, Array Equality, Tree Coloring, Height of Rationals

Starters 53 Division 2 (Rated)

Make A and B equal

Starters 54 Division 3 (Rated)

Equal Distinct, Number of Credits, Ticket Fine, Team of Two

Starters 55 Division 2 (Rated)

Permutation Clear, Fever, Mean and Median, Broken Phone

September Long 2022 Division 3 (Rated)

Bob at the Bank, Chef and Wire Frames, Interesting Subarray, Good Pairs

Starters 56 Division 3 (Rated)

Nearest Exit, Far Away

September Lunchtime 2022 Division 3 (Rated) (Based on EJOI)

Flip the cards, Equalize AB, Stick Break, Permutation Creation

Starters 57 Division 3 (Rated)

Maximum Expression, Even Splits, Non-Negative Product, Two Different Palindromes

Starters 58 Division 3 (Rated)

Break the elements, Remove Bad elements

Starters 59 Division 3 (Rated)

Chef and Happy String , Maximum Subarray , Suspense String, Confusing Concatenations

October Long 2022 Division 3 (Rated)

Podium Finish, Minimum Pizzas, Building Race

Starters 60 Division 3 (Rated)

Paper Cutting, Palindrome Flipping, Card Removal

Starters 62 Division 3 (Rated)

Sorted Substrings, Make Multiple, Final Sum, X Jumps, Test Score

Starters 63 Division 3 (Rated)

Make Length 1, Avoid Squares Please

Starters 64 Division 3 (Rated)

Mario and the Broken String, Luigi and Uniformity, Distinct Colors

Starters 65 Division 3 (Rated)

Nahaane Jaa, Candies, Hackerman

Starters 66 Division 3 (Rated)

Good Binary Strings, Palindrome by Splitting, Just Like Mob!, Binary Battles, Monopoly in Chefland

Starters 67 Division 3 (Rated)

Maximum Angriness, Expensive Steps , Minimum Number of Ones, Counting Problem

Starters 69 Division 3 (Rated)

Akash and Dinner, Convert to permutation, Distinct Sequence

Starters 74 Division 3 (Rated)

Chef And Babla, Lcm hates Gcd, Minimal Inversions, Odd Even Binary String

Starters 78 Division 2 (Rated)

Valid Expression

Starters 79 Division 3 (Rated)

Mountain, One Stone or Two Stones, Add smallest prime factor, Distinct Opposite Sums, Better Deal

Starters 80 Division 2 (Rated)

Permutation Subsequence, Prefix Permutation, Equal Elements

Starters 82 Division 2 (Rated)

Make A-B Same, Difference Matrix, MIN To MAX

Starters 84 Division 2 (Rated)

Max count of 1, Max Binary, Chef And Adjacent Sums

Starters 85 Division 2 (Rated)

Inside The Stadium

Starters 87 Division 2 (Rated)

Existence, AB plus C

Starters 83 Division 2 (Rated)

Construct String, Order by XOR

Starters 88 Division 2 (Rated)

Unstable Subarray

Starters 89 Division 2 (Rated)

Plus 2 or Minus 1, Positive or Negative Subarrays

Starters 90 Division 2 (Rated)

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

Starters 91 Division 3 (Rated)

Odd GCD Permutation, Chef Odd, Blobby Volley Scores, Maximum Sum Permutation

Starters 92 Division 2 (Rated)

Rectangular Tiling, Distance Coloring, Dotify Playlist

Starters 93 Division 2 (Rated)

Break Free, NASA, Problem

Starters 94 Division 2 (Rated)

CodeChef Streak

Starters 98 Division 2 (Rated)

3-Blast Palindrome, Airport Management, Ball Distribution

Starters 102 Division 2 (Rated)

Bit Play

Starters 104 Division 2 (Rated)

Maximise Sum, GCD and LCM

Starters 105 Division 2 (Rated)

Take it Easy, Dull Operation

Starters 106 Division 3 (Rated)

Chef Fantasy 11, Playing with OR, Save People, Guess the winner!

Starters 107 Division 2 (Rated)

Rock Paper Scissor, OR Permutation

Starters 111 Division 2 (Rated)

Reach Codetown

Starters 112 Division 3 (Rated)

Cursed Indices, Fair Share Settlement, 3 Logicians Walk into a Bar, Yet Another Array Game, Max Nutrition

Starters 114 Division 2 (Rated)

Rock-Paper-Scissors, Christmas Candy

Starters 116 Division 2 (Rated)

ORST , Access Control

Starters 117 Division 2 (Rated)

Not Prime Permutation, Spell Shortening

Starters 119 Division 3 (Rated)

Judged, Cookie Day, Another Good String , K Odd Sum

Starters 120 Division 2 (Rated)

Sub or Swp

Starters 121 Division 2 (Rated)

Caesar Cipher Lite, Anti Adjacent Swaps

Starters 122 Division 3 (Rated)

Problem Reviews, Arya In Grid, Man of the Match

Starters 123 Division 2 (Rated)

Maximise Adjacent Sum, Check Adjacent Sum, Minimum And Maximum I

Starters 124 Division 3 (Rated)

Binary Parity, Table Strength, Cricket Tournament

Starters 125 Division 3 (Rated)

50-50 Rule, Fake Certificate, Binary Minimal

Starters 126 Division 3 (Rated)

Dice Game 3, Sale, Permutation Disturbance

Starters 127 Division 3

Superincreasing, Extreme Basketball

Starters 128 Division 3 (Rated)

Moody Chef, MEXimize the Array, Disjoint Non-Decreasing Array

Starters 129 Division 2 (Rated)

Ballon d Or

Starters 133 Division 3 (Rated)

Legs on a Farm, Maximum Alternating Sum

Starters 138 Division 3 (Rated)

Heat Wave, Long Drive, Distinct Substring

Starters 141 Division 3 (Rated)

Redundant Array, Amphibian Escape, Nearly Equal

Starters 142 Division 2 (Rated)

Chef loves Pizza Chef loves halfs

Starters 143 Division 3 (Rated)

Binary Conversion, Maximum Coins

Starters 144 Division 3 (Rated)

Budget Allotment, Largest K, Savings Account

Starters 145 Division 2 (Rated)

Make My Array Equal

Starters 146 Division 3 (Rated till 5 stars)

Bouncing Ball, Permutation Construction, Knockout tournament, No Winner

Starters 150 (Rated)

Equal Pairs (Hard), Find Multiset State, Equal Pairs (Easy)

Starters 151 (rated)

Convert string

Starters 152 (Rated)

Maximize Hamming Distance, Range Minimize

Starters 153 (Rated)

Butterfly, Another Game, Colorful Tree (Easy Version)

Starters 154 (Rated)

Add 1 or 2 Game

Starters 155 (Rated)

Chef and Parole, GCD to 1 (Easy), GCD to 1 (Hard), Rectangled

Starters 161 (Rated)

Two Cards

Starters 162 (Rated)

Adjacent Sum Array, Assignment Score

Starters 163 (Rated)

Nice Array, Binary Sum, Minimum Types, Sort Them

Starters 164 (Rated)

Swap and Flip

Starters 165 (Rated)

Reverse and Alternate, Stable Array, Bulk Discount

Starters 166 (Rated)

Chefland Library, Christmas Gifts

Starters 168 (Rated)

Make Odd, Big Achiever

Starters 175 (Rated)

Technex Tickets, Make same

Starters 187 (Rated)

Chococut, Incremental Game

Starters 209 (Rated)

Binary Love, Tactical Conversion, Small GCD Sort, Divisible Duel

Starters 210 (Rated)

Chocolate Eating, Profits, First Element Counting

Total Problems Solved: 439

1556
(Div 3)
★★
CodeChef Rating (Highest Rating 1702)
  • 21692 Global Rank
  • 19699 Country Rank

Skill tests

86%

Data Structures and Algorithms test using C++

Attempted on August 2024
View skill tests

Badges

Contest Contender -  Diamond Badge

Contest Contender - Diamond Badge

Received for participating in 100 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

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