ALOK KUMAR

• Username: 5★rz0895
• Country:  India
• Student/Professional:Professional
• Organisation:Samsung Research Institute Bangalore
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2025 (Jul-Dec)2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 14

Current Ratings Graph Old Ratings Graph

2013 (-33)RatingProvisional
Rating i Provisional Rating, click to know more

October Challenge 2018 Division 1(2018-10-20 15:00:00)

Global Rank:   556

Cheated in:   

Ratings System Update

(2018-10-20 15:00:00)

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2013 (+140)RatingProvisional
Rating i Provisional Rating, click to know more

October Challenge 2018 Division 1(2022-12-20 00:00:00)

Global Rank:   556

Cheated in:   

Ratings System Update

(2022-12-20 00:00:00)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

How the rating system works?

Learning Paths (0)

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Practice Paths (0)

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Contests (14)

May Challenge 2015

Devu and binary String, Chef and Prime Divisors, Set Difference , Chef and new recipe, Chef and Cake, Devu and his three Hands

June Challenge 2015

Steady tables, Chef and His Friend, Chef and Memory Limit, Chef and Polygons, Anticommutative implication, Chef and String

July Challenge 2015

Na2a and lucky stone, Rohith and Circles, Chef and Cube, MasterChef, Bread, Addition and Multiplication

August Challenge 2015

Way Out, 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

Time measure, Rupsa and Equilateral Triangle, Cyclic shifts in permutation, Who dares to be a millionaire, Count Subarrays, Spheres

August Cook-Off 2015

Chef and the XORed Number , Chef and the Wildcard Matching

May Lunchtime 2015

Devu and Grapes, Number of Ways

June Lunchtime 2015

Chef and Submatrix, Chef and Two Strings

January Long Challenge 2016

Rupsa and the Game

August Challenge 2016

Chef and Round Run, Chef and Chocolate, Chef and Circle Run

September Challenge 2016

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

October Challenge 2016

Chef and Keyboard, Fenwick Iterations, Chef and Three Dogs

October Challenge 2018 Division 1

Appy and Balloons , Beautiful Bricks, Minimize Digitsum

Total Problems Solved: 57