Ranjan Kumar

April Challenge 2015

Broken Telephone, Chef and Interview

June Challenge 2015

Chef and Polygons, Chef and Memory Limit

July Challenge 2015

Bread, Na2a and lucky stone, Chef and Cube

August Challenge 2015

Gravity Guy, Cooking Machine, Aditi and Magic Trick

September Challenge 2015

Chain of Doughnuts, Count Steps in Matrix, Bank robbery, Lighthouses, Cracking the Code

October Challenge 2015

Who dares to be a millionaire, Rupsa and Equilateral Triangle, Spheres, Count Subarrays

November Challenge 2015

Chef and collection of stamps, Eugene and function, Simple Sum, Chef and cakes

May Cook-Off 2015

Devu and friendship testing

June Cook-Off 2015

Strange operations

July Cook-Off 2015

Cops and the Thief Devu

August Cook-Off 2015

Chef and the Wildcard Matching

September Mega Cook-Off 2015

Forgotten Language

October Cook-Off 2015

Almost Sorted Permutation

November Cook-Off 2015

Sereja and Array and Subtracting

July Lunchtime 2015

Greedy puppy

August Lunchtime 2015

Minimum Maximum

September Lunchtime 2015

Sum of palindromic numbers

January Long Challenge 2016

Rupsa and the Game, Churu and Balls, Chef and Time Machine, Devu and Perfume

September Challenge 2016

Chef and Friends, Dividing Machine, Chef and Matrix Division, Chef and digits of a number, Faded Palindromes, Chef and calculation

February Cook-Off 2016

Puppy and Sum

March Cook-Off 2016

Digital clock, Alternating subarray prefix

April Cook-Off 2016

Movie Weekend, Odd Divisors

June Cook-Off 2016

Sticks, Right Triangle

September Cook-Off 2016

Lazy Jem, The Lost Arithmetic Sequences

January Lunchtime 2016

Triangle Classification

February Lunchtime 2016

Chef and Socks, Chef and Tic-Tac-Toe

March Lunchtime 2016

Simple Statistics

June Lunchtime 2016

Collisions, One more weird game

September Lunchtime 2016

Chef and Inequality

Problems Authored (5)

Problems Tested (0)

No Contribution

Editorials Contributed (4)