Raushan kumar

March Lunchtime 2019 Division 2

Pogo Stick Competition, Testing Robot

April Challenge 2019 Division 2

Friend or Girlfriend, Maximum Remaining, Fencing

April Cook-Off 2019 Division 2

Making a Meal, Chef Learning Hungarian Algorithm

April Lunchtime 2019 Division 2

Attendance, Fast Food

May Challenge 2019 Division 2

Matches, Reduce to One

May Cook-Off 2019 Division 2

Chain Reaction, Recover the Sequence

May Lunchtime 2019 Division 2 (Unrated)

Dummy Palindromic Strings, CV

June Challenge 2019 Division 2

Chef and Proxy, (Challenge) SnackDown 99, Sum and GCD, Chef and Ingredients, Guddu on a Date, Lent Money, Road Signs

July Challenge 2019 Division 1

Hit the Coconuts, Guess the Prime!, Parity Again, Codechef War, Circular Merging, Minimum and Maximum, Chef and Mean

August Challenge 2019 Division 1

Distribute Apples, Zombie and the Caves, Football, Chef and Gordon Ramsay, Dilemma, Maximize an Expression, Guddu and his Mother, Encoding

September Challenge 2019 Division 1

Chef and Good Subsequences, Easy Fibonacci, Biladerim Icin, Fuzzy Linear Combinations, Expected GCD, Chef Designed a Network, Chef and Interesting Subsequences

November Challenge 2019 Division 1

Physical Exercise, Hard Sequence, Smallest Beautiful Number, From Zero to Infinity, Single Point of Failure, Weapon Value, (Challenge) Coloring Triangulations

Dementia 2019 (Rated for Division 2)

When to take medicine, Maximum Scoring Position

January Challenge 2020 Division 1

Chef and Dynamo, (Challenge) Building Anthills, Chefland Army, Breaking Bricks, English, Chefina and Prefix Suffix Sums, Equality, Doofish Matrix, Doraemon

September Challenge 2020 Division 1

Chefina and Swap, A Problem on Sticks, Chef and Trump Cards, Find XOR, Move the Coins - Creating Tests, Divide Candies, Vibrating Paths (Challenge), Ada Matrix

Problems Authored (4)

Problems Tested (0)

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Editorials Contributed (1)