Shahadat

• Username: 1★shahadat_osman
• Country:  Bangladesh
• Student/Professional:Student
• Institution:East Delta University
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

Rating Graph

No. of Contests Participated: 30

Current Ratings Graph Old Ratings Graph

1398 (+2)RatingProvisional
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Starters 213 (Rated)(2025-11-19 22:00:06)

Global Rank:   4351

Cheated in:   

Ratings System Update

(2025-11-19 22:00:06)

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None(None)

Global Rank:   0

Cheated in:   

Ratings System Update

(None)

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Learning Paths (1)

OOPs Concepts in Python

1%

Practice Paths (4)

Heaps

4%

Practice Python

20%

Stacks and Queues

18%

Practice Arrays

16%

Contests (30)

Starters 158 (Rated)

Even vs Odd Divisors, Diwali Discount

Starters 159 (Rated)

Elections, Card Game, Icecream and Cone

Starters 161 (Rated)

Moneymaking, Selling Donuts

Starters 178 (Rated)

Food Balance

Starters 179 (Rated)

Lost in the Fest!!, Conquer the Fest!!

Starters 181 (Rated)

Move Grid, Breaking Sticks

Starters 182 (Rated)

IPL, Palindromic Score, Bar Queue

Starters 183 (Rated)

Larger Smaller, Max Sixers, Max Triangle

Starters 184 (Rated)

One Down, Sum to 0, Multiple of 3

Starters 187 (Rated)

Exercise and Rest, Incremental Game, Chococut

Starters 188 (Rated)

Red and Blue Gems, Subset Sum 3, Train Even or Odd

Starters 189 (Rated)

Distinct 2 Subarray, Pizza Party

Starters 190 (Rated)

Maximum Slams, Number Reduction, Min-Max Deletion

Starters 193 (Rated)

Rectangle and Square

Starters 194 (Rated)

Mark All, Chef Bakes Cake 1, Chef Bakes Cake 2, Chef Bakes Cake 3

Starters 195 (Rated)

Selling Sandwiches, Failing Grades, Marble Collector

Starters 196 (Rated)

Sugar Limit, More Cookies, Cloud Watching

Starters 197 (Rated)

Independence Day, All Odd Prefix Sums, Bowling Balls, Good Ranking (Pair)

Starters 198 (Rated)

Currency Exchange, Make Cat, Decoration Discount

Starters 199 (Rated)

Fence Colouring, Brick Comparisions

Starters 200 (Rated)

Restrict Palindromes, Good Subsequence, Chef Bakes Cake

Starters 201 (Rated)

Selling Coins, Mixing Liquids, Mark Points

Starters 205 (Rated)

Cute Strings, Mirror Jump

Starters 207 (Rated)

Gambling, Make Subarray, Tourist

Starters 208 (Rated)

Spring Cleaning, Sabotage, Alternate Jumps

Starters 209 (Rated)

Bitcoin Market, Small GCD Sort, Divisible Duel

Starters 210 (Rated)

First Element Counting, Notebook Counting, Profits, Chocolate Eating

Starters 211 (Rated)

Fuel Check, Buying Chairs, No Doubling, Wolf Down

Starters 212 (Rated)

Basketball Score, Exit Door, Signal

Starters 213 (Rated)

Exun and the Pizzas, EXML Race, Separation, No 4 Please

Total Problems Solved: 157