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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

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Practice Compete Compiler
Home » Sefayet Alam
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Sefayet Alam

Rookie League Rookie League
  • 5★ghost_014
  •   Bangladesh
  • Student
  • Rajshahi University of Engineering & Technology Bangladesh
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 63
2019 (+53)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 199 (Rated)(2025-08-13 22:00:02)
Global Rank:   11
Cheated in:   

Ratings System Update

(2025-08-13 22:00:02)
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NA? (+NA)RatingProvisional
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None(None)
Global Rank:   0
Cheated in:   

Ratings System Update

(None)
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Learning Paths (1)

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Learn C++

0%

Practice Paths (1)

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2000 to 2500 difficulty problems

9%

Contests (63)

February Cook-Off 2023 Division 4 (Rated)

Battery Health, Take Not Less, Bi_lindrome!, Permutation and Modulus, Netflix

Starters 80 Division 4 (Rated)

Permutation Subsequence, Prefix Permutation, Just One More Episode, Single-use Attack, Running Comparison, Equal Elements

Starters 82 Division 3 (Rated)

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

Starters 84 Division 3 (Rated)

Max count of 1, Digit Operation, Elections in Chefland, Max Binary, Chef And Adjacent Sums, Melt Gold

Starters 90 Division 2 (Rated)

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

Starters 92 Division 2 (Rated)

Rectangular Tiling, Distance Coloring, Dotify Playlist

Starters 93 Division 2 (Rated)

Break Free, Problem

Starters 95 Division 2 (Rated)

Boxes, Transfusion Chain, EVacuate to Moon

Starters 96 Division 2 (Rated)

Remove Multiples

Starters 100 Division 2 (Rated)

Stamps 100

Starters 102 Division 2 (Rated)

Parity Permutation, Bit Play

Starters 107 Division 2 (Rated)

Rock Paper Scissor, OR Permutation

Starters 108 Division 2 (Rated)

Clan Expansion, Palindromic Prime Numbers, Fair Distribution

Starters 109 Division 2 (Rated)

Minimum XOR, Best of N Sets, Alter Ego

September Short 2023 Division 2 (Unrated)

Lucky Seven, Slow Start, Mixing Extraordinaire

Starters 111 Division 2 (Rated)

LCM Mania, Prefixing, Beautiful Strings, Reach Codetown

Starters 114 Division 2 (Rated)

Game on Array, Rock-Paper-Scissors, Christmas Candy

Starters 116 Division 2 (Rated)

Chef Product, ORST , Access Control

Starters 120 Division 2 (Rated)

Count Subarrays, Sub or Swp

Starters 121 Division 2 (Rated)

Frequal, Caesar Cipher Lite, Anti Adjacent Swaps

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 132 Division 2 (Rated)

ALIEN-OR, Optimal Flip, GAME 11

Starters 135 Division 2 (Rated)

Invert And Equalize, Change A to B

Starters 137 Division 2 (Rated)

Double Trouble, Large Differences

Starters 138 Division 2 (Rated)

Prefix Suffix Inequality, Long Drive, Distinct Substring

Starters 142 Division 2 (Rated)

Chef loves Pizza Chef loves halfs, Array Removal, Number Hunt

Starters 143 Division 2 (Rated)

Non-Divisor Array, Max Min and Length, Binary Conversion

Starters 145 Division 2 (Rated)

Make Bob Win , Make My Array Equal, Square String

Starters 146 Division 2 (Rated till 5 stars)

Bouncing Ball, Permutation Construction, Knockout tournament

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), Replacing Game, Find Multiset State, Equal Pairs (Easy)

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

Starters 156 (Rated)

Partition Score, Even Numbers Hate

Starters 157 (Rated)

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

Starters 158 (Rated)

Make a Tree, Largest Subsequence, XOR Smaller, Buying Game, Multiply 2 to Minimize

Starters 159 (Rated)

Crafty Coloring (Easy), Super Hero, Random Nim, Chess Colouring, Elections

Starters 160 (Rated)

Equate S and T

Starters 161 (Rated)

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

Starters 162 (Rated)

Empty the String, Adjacent Sum Array, Permutation Mod K

Starters 163 (Rated)

Nice Array, Minimum Types

Starters 164 (Rated)

Halloween Array, Construct Permutation, Swap and Flip

Starters 165 (Rated)

Reverse and Alternate, Stable Array, Bulk Discount

Starters 166 (Rated)

Distinct Power, Chefland Library

Starters 167 (Rated)

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

Starters 173 (Rated upto < 2700)

Cool Subsequences, Introverts, Time Penalty, Overwrite

Starters 174 (Rated)

Mystic Slimes, Deletion and Difference

Starters 178 (Rated)

Big Difference, Placing 01 And 10

Starters 179 (Rated)

Lost in the Fest!!, Station Allocation, Unlock The Safe, Can you reach

Starters 180 (Rated)

Shall we play a game, Array Operations

Starters 186 (Rated)

Distinct Arrays , Jump A or B, Approval Ratings, Mod and Make Y

Starters 188 (Rated)

Swaps in a String, K Boxes, Yet Another Monsters Problem, Subset Sum 3

Starters 189 (Rated)

Number Walks, Nutrition Cost, Create Binary String, Avoid Primes, Sortable Subarrays (Easy)

Starters 190 (Rated)

Subsequence Sort, Light All, Min-Max Deletion, Parry It! (Easy)

Starters 191 (Rated)

Add 1 or 2, Grid Path (Easy), Add to get GCD, Permuted Greater than 2

Starters 192 (Rated)

Security Lines, No 3 Please!

Starters 195 (Rated)

String Deletions, Game (Easy), Game (Hard), Marble Collector

Starters 196 (Rated)

Sugar Limit, Append Average, Swap Sum

Starters 198 (Rated)

Currency Exchange, Restricted Removals, Leave no Witnesses, Minimize Maximum Mex

Starters 199 (Rated)

Perfect Ranges, Fence Colouring, Grid MEX, Subtract or Divide, XOR Game

Total Problems Solved: 333

2019
(Div 1)
★★★★★
CodeChef Rating (Highest Rating 2019)
  • 1586 Global Rank
  • 39 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

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