SANDEEP RAJ KANNA

• Username: 4★profparadox
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Kharagpur West Bengal, India
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

Rating Graph

No. of Contests Participated: 25

Current Ratings Graph Old Ratings Graph

1828 (+13)RatingProvisional
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Starters 186 (Rated)(2025-05-14 22:30:02)

Global Rank:   405

Cheated in:   

Ratings System Update

(2025-05-14 22:30:02)

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1852 (-6)RatingProvisional
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Starters 66 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   25

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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Contests (25)

May Cook-Off 2021 Division 3

The Last Problem, Marathon, Vaccine Drive

May CodeChef Starters 2021 Division 2 (Unrated)

Plagiarism, Lazy Chef

May Challenge 2021 Division 3 (Rated)

Xor Equality, Golf, Solubility

June Challenge 2021 Division 3 (Rated)

Minimum Dual Area, Shortest Route, Bitwise Tuples, Bella ciao, Summer Heat

June Cook-Off 2021 Division 3

XOR Folding, ICPC Balloons, Chefland Visa, Binary String on Steroids, The Wave

June Lunchtime 2021 Division 2

From Rational to Binary, False Number, Richie Rich, Unpleasant Ones

June CodeChef Starters 2021 Division 2 (Unrated)

Total Correct Submissions, Chess Match, Chef and Queries, Cyclic Quadrilateral

July Challenge 2021 Division 2 (Unrated)

XxOoRr, Maximum Production, Relativity

August Challenge 2021 Division 2 (Unrated)

Problem Difficulties, Olympics Ranking

CodeChef Starters 8 Division 2 (Unrated)

Three Points, Javelin Qualification, Penalty Shots

SnackDown 2021 - Online Qualifiers

Lucky Number

October Challenge 2021 Division 2 (Unrated)

Longest AND Subarray, MEX-OR

November Challenge 2021 Division 2 (Unrated)

Weird Palindrome Making, Equal Coins

CodeChef Starters 24 Division 2 (Rated)

Avoid Contact, Yet Another Constructive Problem

March Long One 2022, Division 2 (Unrated)

Akash and Function, Exact Marks

March Cook-Off 2022 Division 2

Fixed Weight, Janmansh at Fruit Market, Equal Mex Splitting, Alternating Divisibility

Starters 37 Division 2 (Rated)

Infernos, Maximum OR Minimum

May Long One 2022 Division 3 (Rated)

Mystical Numbers, Pushpa , The Magical Stone, Sugarcane Juice Business, The Attack of Queen

Starters 51 Division 2 (Rated)

Adjacent Xors, Split N, Copy and Paste, Different Medians

August Lunchtime 2022 Division 2 (Rated)

Easy Permutation, Array Equality, Sort the Array, Tree Coloring

Starters 55 Division 2 (Rated)

Non Zero Xor, Ball Sequence, Balls and Boxes, Permutation Clear, Fever, Mean and Median, Broken Phone, OR Tuples

September Long 2022 Division 2 (Unrated)

Interesting Subarray, Good Pairs

Starters 56 Division 2 (Rated)

K-Subarrays, Maximize Colours

Starters 58 Division 2 (Unrated)

Break the elements, Ranklist Pages, Reach the Target, Remove Bad elements

Starters 62 Division 2 (Rated)

Sorted Substrings, Make Multiple, Final Sum

Starters 66 Division 2 (Rated)

Good Binary Strings, Palindrome by Splitting, Connect All Cities, Palindrome In Making, Just Like Mob!

Starters 70 Division 2 (Rated)

Minimum distance between 1s, Prime Reversal, Frequency Array Retrieval

Starters 75 Division 2 (Rated)

Prefix Ones, Three Powers of Two

February Cook-Off 2023 Division 2 (Rated)

Permutation and Modulus, Minimum Beauty

Starters 83 Division 2 (Rated)

Construct String, Order by XOR

Starters 171 (Rated)

Swish Game, White Wall, Volcanic Eruption

Starters 178 (Rated)

Big Difference, Placing 01 And 10

Starters 184 (Rated)

One Down, Front or Back

Starters 185 (Rated)

GCD Summation, Creature Hunter

Starters 186 (Rated)

Distinct Arrays , Jump A or B, Approval Ratings

Total Problems Solved: 180