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Programming and DSA

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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.

Career Paths

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Programming and DSA

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Catalogue

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 » sajjad
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sajjad

  • 4★sajjad_99
  •   Bangladesh
  • Student
  • Islamic University, Bangladesh
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 112
1811 (-5)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 185 (Rated)(2025-05-07 22:00:02)
Global Rank:   453
Cheated in:   

Ratings System Update

(2025-05-07 22:00:02)
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?
1490 (+0)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 66 Division 3 (Rated)(2022-12-20 00:00:00)
Global Rank:   735
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 (2)

learn-icon

Learn SQL

1%
learn-icon

Learn C++

11%

Practice Paths (1)

learn-icon

Practice for ZCO and INOI

1%

Contests (112)

June Lunchtime 2021 Division 3

Richie Rich

June CodeChef Starters 2021 Division 3 (Rated)

Chess Match, Cyclic Quadrilateral

July Challenge 2021 Division 3 (Rated)

Maximum Production, Relativity

CodeChef Starters 7 Division 3 (Rated)

Chess Format, Food Chain

August Challenge 2021 Division 3 (Rated)

Problem Difficulties, Olympics Ranking

August Cook-Off 2021 Division 3

Which Division, Team Formation

August Lunchtime 2021 Division 3

Maximum Length Even Subarray, Programming Languages

CodeChef Starters 9 Division 3 (Rated)

Black cells in a chessboard, Large Square

CodeChef Starters 10 Division 3 (Rated)

Hardest Problem Bet, Maximise the Subsequence Sum

September Challenge 2021 Division 3 (Rated)

Shuffling Parities, Airline Restrictions, Travel Pass

September Cook-Off 2021 Division 3

Cars and Bikes, Fake GCD

SnackDown 2021 - Online Qualifiers

Lucky Number

CodeChef Starters 11 Division 3 (Rated)

The Grid Fill Problem, Find the Direction, Obtain the Sum, The Two Dishes

CodeChef Starters 12 Division 3 (Rated)

Good Weather, Make it Divisible

CodeChef Starters 13 Division 3 (Rated)

Chef in Vaccination Queue, The Preparations, Magical Doors

CodeChef Starters 14 Division 3 (Rated)

Odd GCD, Diagonal movement, RCB and Playoffs

October Challenge 2021 Division 3 (Rated)

Three Boxes, Which Mixture

September Lunchtime 2021 Division 3

Two Dishes, Balanced and Unique Arrays, Vaccine Dates

October Lunchtime 2021 Division 3

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

Disabled King, Odds and Evens, Missing Sums

CodeChef Starters 20 Division 3 (Rated)

Genes

December Challenge 2021 Division 3 (Rated)

Valleys and Hills, List of Lists, Utkarsh and Placement tests

January Long 2022 - I, Division 3 (Rated)

Keplers Law, Prime in a binary string, Covid Spread

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 3

Lazy Salesman, Peaceful Party

February Long 2022 - II, Division 3 (Rated)

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

CodeChef Starters 26 Division 3 (Rated)

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

CodeChef Starters 27 Division 3 (Rated)

Distinct Binary Strings, Get Lowest Free, Too many items, Shopping Change, Blackjack, The product mystery

February Lunchtime 2022 Division 3

Four Equidistant Points on a Grid, Good Program, Parallel Processing, Watching Movies at 2x

March Long One 2022, Division 3 (Rated)

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

CodeChef Starters 29 Division 3 (Rated)

String protocol, Plusle and Minun on Array, Bomb the base

March Cook-Off 2022 Division 3

Janmansh and Games, Janmansh at Fruit Market, Equal Mex Splitting, Alternating Divisibility

CodeChef Starters 31 Division 3 (Rated)

Alternating String, Sign Moves, The Unchanging OR, Group Assignment

CodeChef Starters 32 Division 3 (Rated)

Maximize the Minimum, Binary String Cost, Finding Shoes, Flip Sorting

CodeChef Starters 33 Division 3 (Rated)

Distinct Dilemma, Minimum Cars required, Non Adjacent Flips, Make Them Equal

Starters 37 Division 2 (Rated)

Beat the Average, Infernos, Maximum OR Minimum

Starters 39 Division 2 (Rated)

Compress the Video, Closest Vowels

May Long Two 2022 Division 3 (Rated)

Xor Palindrome, Score High, Make them Zero, Degree of Polynomial

Starters 40 Division 3 (Unrated)

Difficulty Rating Order, Infinity Staircase, Take discount or Not

June Cook-Off 2022 Division 3 (Rated)

Simple XOR, Break the Stick, First and Last

June Long One 2022 Division 3 (Rated)

Reduce to zero, Subscriptions, Divisible by i , Possible GCD, Alternate Additions, Equal Strings

Starters 43 Division 3 (Rated)

DNA Storage, Distinct Palindrome, Joining Date

June Long Two 2022 Division 3 (Rated)

Count the ACs, Make all equal using Pairs, AP Grid, Complementary Strand in a DNA, Reversal Sorting

Starters 45 Division 3 (Rated)

Even Equal Odd, Chef and his Apps, Retrieve the Array, Adjacent Sum Parity, Change Row and Column Both

August Long 2022 Division 3 (Rated)

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

Starters 54 Division 3 (Rated)

Equal Distinct, Ticket Fine, Team of Two

Starters 60 Division 3 (Rated)

Distinct Numbers, Yet Another Palindrome Problem, Paper Cutting, Palindrome Flipping, Card Removal

November Long 2022 Division 4 (Rated)

MaxEdges, Split and Maximize, Spliting Balls, Time Complexity, Water Mixing, String Game

Starters 66 Division 3 (Rated)

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

February Cook-Off 2023 Division 3 (Rated)

Take Not Less, Alice Potter And Dumbledore Army, Bi_lindrome!, Permutation and Modulus, Netflix

Starters 77 Division 3 (Rated)

Spreading Charges, Tekken, Concat Palindrome

Starters 78 Division 3 (Rated)

Bitwise Equation, Valid Expression, Passing Marks

Starters 79 Division 2 (Rated)

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

Starters 82 Division 2 (Rated)

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

Starters 89 Division 2 (Rated)

Plus 2 or Minus 1, Positive or Negative Subarrays, Subarray Removal

Starters 90 Division 2 (Rated)

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

Starters 91 Division 2 (Rated)

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

Starters 93 Division 2 (Rated)

Problem

Starters 95 Division 2 (Rated)

Transfusion Chain, EVacuate to Moon

Starters 98 Division 3 (Rated)

FIND A and B, Airport Management, Ball Distribution

Starters 99 Division 2 (Rated)

Card Swipe, Exclusion-Inclusion

Starters 101 Division 3 (Rated)

Warrior Chef, Work Smarter, Not Harder, Lockpicking Chef

Starters 102 Division 3 (Rated)

Bit Play, Selling Insurance, Chef and Stocks

Starters 103 Division 2 (Rated)

Divisible By 8, Dice Number

Starters 105 Division 3 (Rated)

Dracula Eats, Take it Easy, Dull Operation

Starters 106 Division 2 (Rated)

Playing with OR, Save People, Guess the winner!

Starters 107 Division 2 (Rated)

Rock Paper Scissor, OR Permutation

Starters 109 Division 2 (Rated)

Minimum XOR, Best of N Sets, Alter Ego

Starters 111 Division 2 (Rated)

Prefixing, Beautiful Strings, Reach Codetown

Starters 112 Division 2 (Rated)

Cursed Indices, 3 Logicians Walk into a Bar, Max Nutrition

Starters 114 Division 2 (Rated)

Rock-Paper-Scissors, Christmas Candy

Starters 115 Division 2 (Rated)

Greedy LIS Algorithm, A PLUS B Remastered, Decorating Christmas Tree

Starters 116 Division 2 (Rated)

Chef Product, ORST , Access Control

Starters 117 Division 2 (Rated)

Not Prime Permutation, Spell Shortening

Starters 118 Division 2 (Rated)

Subset GCD, Join States, Xorry 2, Xorry 1

Starters 119 Division 2 (Rated)

Cookie Day, Another Good String , K Odd Sum

Starters 120 Division 2 (Rated)

Find Permutation , Count Subarrays, Sub or Swp

Starters 121 Division 2 (Rated)

Frequal, Caesar Cipher Lite, Anti Adjacent Swaps

Starters 122 Division 2 (Rated)

Arya In Grid, Transformation Cost, Man of the Match

Starters 123 Division 2 (Rated)

Maximise Adjacent Sum, Check Adjacent Sum, Minimum And Maximum I, Yet Another Alice Bob Game, Minimum And Maximum II

Starters 124 Division 2 (Rated)

Binary Parity, Table Strength, Swap and Unite, Make It One

Starters 131 Division 2 (Rated)

Dice Deception

Starters 132 Division 2 (Rated)

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

Starters 133 Division 2 (Rated)

Powered Parameters, Maximum Alternating Sum

Starters 134 Division 2 (Rated)

Origin, Rock Paper Scissors

Starters 135 Division 2 (Rated)

Graph Cost, Invert And Equalize, Change A to B

Starters 136 Division 2 ( Rated )

Sum of Modes, My First Geometry Problem

Starters 140 Division 2 (Rated)

Make Permutation, Split Permutation, Trick Or Treat, Tree Removal

Starters 141 Division 2 (Rated)

Redundant Array, Amphibian Escape

Starters 145 Division 2 (Rated)

Make Bob Win , Make My Array Equal

Starters 147 Division 2 (Rated till 5 stars)

Truth Teller And Liars 101, Independence Day 101, Non-Primes 101, Gold Coins 101

Starters 148 Division 2 (Rated)

FightBots

Starters 149 (Rated)

Easy Subarray Sum, Maximise Sum, Chef Loves Beautiful Strings (Easy Version)

Starters 150 (Rated)

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

Starters 152 (Rated)

Maximize Hamming Distance, Anti-Palindrome Queries, Range Minimize

Starters 153 (Rated)

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

Starters 154 (Rated)

GCD and XOR, Triangle Count (Easy), Add 1 or 2 Game

Starters 155 (Rated)

GCD to 1 (Easy), GCD to 1 (Hard), Replace With First, Prefix Suffix Min Max

Starters 156 (Rated)

Partition Score, Even Numbers Hate

Starters 157 (Rated)

Small, Smaller, Smallest, Unmedian, Not-too-far Replacement

Starters 159 (Rated)

Super Hero, Chess Colouring, Elections

Starters 160 (Rated)

Buying Order (Easy), Equate S and T

Starters 161 (Rated)

Temporary Temperature, Red-Blue Sort, One To Three, Two Cards

Starters 163 (Rated)

Nice Array, Minimum Types, Lexio Swap

Starters 164 (Rated)

Halloween Array, Construct Permutation, Swap and Flip

Starters 167 (Rated)

Temperature Balance, Lottery Tickets, Delete Not Equal, Grid Construction (Odd)

Starters 185 (Rated)

GCD Summation, Creature Hunter

Total Problems Solved: 510

1811
(Div 2)
★★★★
CodeChef Rating (Highest Rating 1844)
  • 5111 Global Rank
  • 159 Country Rank

Skill tests

69%

C++ Skill test

Attempted on October 2024
View skill tests

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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