Rizwan Ahmed
- riz1ahmed
Bangladesh- Student
- Leading University, Sylhet Bangladesh
- No Active Plan. View Details
Activity Heat Map
Learning Paths (1)
Practice Paths (0)
None
Contests (62)
June Challenge 2017
A Good Set
July Challenge 2017
Chef and Sign Sequences, Whats in the Name
August Long Challenge 2017
Chef and Rainbow Array
September Challenge 2017
Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums
October Challenge 2017
Chef and a great voluntary Program, Chef and Cycled Cycles, Max Mex, Counter Test For CHEFSUM, A Balanced Contest
November Challenge 2017
Chef Hates Palindromes, Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes
December Challenge 2017
Total Diamonds, Chef And his Cake, Penalty Shoot-out, Chef and Hamming Distance of arrays
September Lunchtime 2017
Chef and Cook-Off Contests
January Challenge 2018
K-Concatenation, Maximum Score, Rectangle, 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
A Big Sale, Mix the Colors, Chef and Glove, Minions and Voting, Minion Chef and Bananas
May Challenge 2018 Division 2
Mighty Friend, Minimum Deletions, Xor Again, Fake Binary Search
June Challenge 2018 Division 2
Naive Chef
July Challenge 2018 Division 2
Magic Set, Strike or Spare
August Challenge 2018 Division 2
Problem Sort, Sheokand and Number, Spell Bob
September Challenge 2018 Division 2
Magician versus Chef, War of XORs, Chef and Adventures
October Challenge 2018 Division 2
Appy and Balloons , Minimize Digitsum, Chef and Surprise Chessboard, Chef and Serves, Byte to Bit, Chef and Circles
January Challenge 2019 Division 2
Yet Another Problem About Sequences, Different Neighbours, Lucky Number Game, Distinct Pairs, Chef and Modulo Game, Fancy Quotes
January Cook-Off 2019 Division 2
Ada School, Ada King
January Lunchtime 2019 Division 2
Rooks, The Nights Watch
February Challenge 2019 Division 2
Manhattan Rectangle, Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Art of Balance, Deputy Chef
February Cook-Off 2019 Division 2
Chef and Secret Password, Buying New Tablet, Chef and Party
February Lunchtime 2019 Division 2
Average Number
March Challenge 2019 Division 2
Chef got Recipes, Chef and Number Game, Chef and a Beautiful Digit
March Cook-Off 2019 Division 2
UEFA Champions League
March Lunchtime 2019 Division 2
Testing Robot, Pogo Stick Competition
April Challenge 2019 Division 2
Friend or Girlfriend, Maximum Remaining, Subtree Removal, Fencing
April Cook-Off 2019 Division 2
Making a Meal, Chef Learning Hungarian Algorithm
April Lunchtime 2019 Division 2
Attendance
May Challenge 2019 Division 2
Matches, Reduce to One
May Cook-Off 2019 Division 2
Chain Reaction
May Lunchtime 2019 Division 2 (Unrated)
Dummy Palindromic Strings, Grid Tour, CV
June Challenge 2019 Division 2
Road Signs, Chef and Proxy, Guddu on a Date, Chef and Ingredients, Sum and GCD
June Cook-Off 2019 Division 2
Multiple Choice Exam, Eat Twice, Drink Slush
June Lunchtime 2019 Division 2
Ping Paja Pong, Magda and Silly Pairs
July Challenge 2019 Division 2
Minimum and Maximum, Chef and Mean
July Cook-Off 2019 Division 2
Playing with Strings
July Lunchtime 2019 Division 2
Easy Math, Swapping
August Challenge 2019 Division 2
Dilemma, Football, Distribute Apples, Zombie and the Caves
August Cook-Off 2019 Division 2
Rich Substrings, Chef and Pepperoni Pizza, Chef Drinks Coke
September Challenge 2019 Division 1
Chef Designed a Network
September Mega Cook-Off 2019 Division 1
Playing with Matches
September Lunchtime 2019 Division 2
Chef Feeds Cats
October Challenge 2019 Division 2
Even Edges, Chef and Maximum Star Value, Array Modification, Operations on a Matrix, Phone Prices
October Mega Cook-Off 2019 Division 2
Cakewalk, Medel, D-Or
October Lunchtime 2019 Division 2
Khaled in HIT, Counting Inversions Revisited
November Challenge 2019 Division 2
Physical Exercise, Hard Sequence, Weapon Value, Chef and Minimum Colouring
November Cook-Off 2019 Division 2
Signature, Chef Diet
November Lunchtime 2019 Division 2
Planting Trees, Pizza or Broccoli , Washing Windows, Compress the List
December Cook-Off 2019 Division 1
Change It
December Lunchtime 2019 Division 1
Stupid Machine, Check Algorithm
December Challenge 2019 Division 1
Chefina and Ranges, Plus Multiply, Binary XOR, Easy Subsequence Selection, Sticky Notes, That Is My Score!, Addition
January Challenge 2020 Division 1
Breaking Bricks
April Challenge 2020 Division 2
Unit GCD, Sell All the Cars, COVID Pandemic and Long Queue
May Challenge 2020 Division 2
Triple Sort, Coronavirus Spread, Isolation Centers
January Cook-Off 2020 Division 1
Chef Chick
April Cook-Off 2020 Division 2
Matrix Decomposition, Lift Requests
January Lunchtime 2020 Division 1
Under the Tunnels
March Lunchtime 2020 Division 2 (Unrated)
Good Prefix
April Lunchtime 2020 Division 2
Chef in Fantasy League
May Lunchtime 2020 Division 2
Weird Walk, Convert the String, Lost Weekends
Biteration #2 (Rated for Division 2)
A - Books
July Lunchtime 2020 Division 2
Chef and Steps
June Cook-Off 2020 Division 2
Cache Hits, Per Capita Income, Max Mex
June Lunchtime 2020 Division 1
Maximum AND
RECode 12.0 (Rated for all)
Chef and String, Chef and Rotation, Chef and Numbers