
Osman Chowdhury
- 4★kimbbakar
Bangladesh
- Student
- North South University Dhaka, Bangladesh
- No Active Plan. View Details
Activity Heat Map
Rating Graph
Ratings System Update
(2019-01-14 15:00:02)Ratings System Update
(2022-12-20 00:00:00)Learning Paths (0)
None
Practice Paths (0)
None
Contests (65)
December Challenge 2013
Magic Pairs
January Challenge 2014
Please like me, Chef and Feedback
June Cook-Off 2014
Counting Flags, Painting
July Cook-Off 2014
Copy-Paste, Sum Queries, Friends
September Cook-Off 2014, ACM-ICPC Warm up
Sherlock and the Grid, Subarray GCD
November Cook-Off 2014
Brackets, Petersen Graph
December Cook-Off 2014
Good Joke!
February Challenge 2014
Longest Common Pattern
March Challenge 2014
Walk, Little Chef and Numbers
April Challenge 2014
Farmer Feb, Chef and Digits, Shortest Path in Binary Trees
June Challenge 2014
Chef and Subarray, Guessing Game, Forgot Password
July Challenge 2014
Chef and Frogs, Count Substrings, Reach The Point
August Challenge 2014
Chef and Reversing, The Leaking Robot, Chef and Gift
September Challenge 2014
Chef and Rainbow Array - 2, Chef and Left-Right
October Challenge 2014
Remy paints the fence, Chef and Ground, Magical Girl and Colored Liquid Potions
November Challenge 2014
Chef and Segment Game, Distinct Characters Subsequence, Chef and Red Black Tree, Let us construct palindrome
December Challenge 2014
Alok-nath and His Sanskars, XOR with Subset, Chef and Apple Trees
August Lunchtime 2014
Harrenhal
January Challenge 2015
Chef and Stones, Gcd Queries
February Challenge 2015
Chef and Chain, Chef and Strings, Let us play with rank list, Chef and Equality
March Challenge 2015
Chef and Notebooks
April Challenge 2015
Chef and Interview, Broken Telephone
May Challenge 2015
Devu and binary String, Chef and Prime Divisors, Set Difference , Chef and new recipe
June Challenge 2015
Steady tables, Chef and Memory Limit, Chef and Polygons
July Challenge 2015
Addition and Multiplication, Bread, MasterChef, Na2a and lucky stone, Chef and Cube
August Challenge 2015
Way Out, Gravity Guy, Cooking Machine, Aditi and Magic Trick
September Challenge 2015
Chain of Doughnuts, Nikitosh and xor, Count Steps in Matrix, Lighthouses
October Challenge 2015
Count Subarrays, Who dares to be a millionaire
December Challenge 2015
Chef and the stones, Oracle Devu and Longest Common Subsequence
May Cook-Off 2015
Devu and friendship testing, Devu and decorating birthday cake
September Mega Cook-Off 2015
Forgotten Language, Stacks
December Cook-Off 2015
Chef and Subarrays
January Long Challenge 2016
Rupsa and the Game
April Challenge 2016
Help Watson Escape, Chef and Ballons, Chef And Magical Path, Chef And Coloring
June Challenge 2016
Chef And The Hiring Event, Chef and Array and K, Chef And Binary Operation, Chef and Coins Game, Chef and cities, Devu and an Array
July Challenge 2016
Andrash and Stipendium, Chef and Tetris, Chef and Robots Competition, Chefland and Electricity
August Challenge 2016
Chef and Circle Run, Chef and Chocolate, Chef and Round Run
September Challenge 2016
Chef and Friends, Dividing Machine, Chef and digits of a number, Faded Palindromes, JosephLand, Chef and calculation
December Challenge 2016
Train Partner, Kirito in labyrinth, Our Base is Under Attack
January Cook-Off 2016
Chef and Destruction, Chef and Fruits
March Cook-Off 2016
Digital clock, Alternating subarray prefix
April Cook-Off 2016
Movie Weekend, Odd Divisors
October Cook-Off 2016
Sherlock and the Ugly Flower, Watson asks Does Permutation Exist, ChefWatson uses Social Network
March Lunchtime 2016
Simple Statistics
January Challenge 2017
Capital Movement, Cats and Dogs, Reservior, Tourists in Mancunia
February Challenge 2017
Eugene and big number, Interval Game, Chef and Triangles, Chef and His Apartment Dues, Most Frequent Element, Gerrymander
March Challenge 2017
Cooking Schedule, Xenny and Alternating Tasks, Bear and Extra Number, Bandwidth of a matrix
January Cook-Off 2017
Digit Longest Increasing Subsequences 2
February Cook-Off 2017
Download file
April Challenge 2017
Chef and Digits, Chef and Divisor Tree, Stable market, Dish Of Life, Bear and Row 01, Bear and Clique Distances, Similar Dishes
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
June Challenge 2017
Chef and Prime Queries, A Good Set, Chef and the Feast, Xenny and Coin Rankings, Triplets, Pairwise union of sets
July Challenge 2017
Chef and Sign Sequences, Pishty and tree, Whats in the Name, Calculator , IPC Trainers
September Challenge 2017
Sereja and Commands, Chef and Pick Digit, Minimum Good Permutation, Fill The Matrix, Little Chef and Sums
October Challenge 2017
Chef and a great voluntary Program, Max Mex, A Balanced Contest
December Challenge 2017
Chef and Universe, Total Diamonds, Chef And his Cake, Chef And Easy Xor Queries, Penalty Shoot-out, Chef and Hamming Distance of arrays
July Lunchtime 2017
Find the Maximum Value
January Challenge 2018
K-Concatenation, Maximum Score, Rectangle, String Merging, Partition the numbers
February Challenge 2018
Chef And His Characters, Chef And The Patents, Car-pal Tunnel, Permutation and Palindrome
March Challenge 2018 DIV 2
Pishty and Triangles, Chef and Easy Problem, A Big Sale, Mix the Colors, Chef and Glove, Minions and Voting, Minion Chef and Bananas
March Cook-off 2018 Division 1
Chef Goes to the Cinema, Chef Restores a Matrix
January Challenge 2019 Division 2
Different Neighbours, Lucky Number Game, Distinct Pairs, Chef and Modulo Game, Fancy Quotes