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Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

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Practice Compete Compiler

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Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

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Programming and DSA

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Catalogue

Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

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Practice Compete Compiler
Home » vivek kumar ray
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vivek kumar ray

Rookie League Rookie League
  • 4★tryagain_07
  •   India
  • Student
  • National Institute of Technology, Arunachal Pradesh India
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 34
1959 (-35)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 196 (Rated)(2025-07-23 22:00:02)
Global Rank:   586
Cheated in:   

Ratings System Update

(2025-07-23 22:00:02)
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1728 (-80)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 69 Division 2 (Rated)(2022-12-20 00:00:00)
Global Rank:   1564
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 (1)

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Learn Go

10%

Practice Paths (3)

learn-icon

2000 to 2500 difficulty problems

8%
learn-icon

Projects using HTML / CSS

1%
learn-icon

Easy C++ puzzles

1%

Contests (34)

January Cook-Off 2022 Division 3

Palindromes Not Allowed, Mean Maximization, Subsegment Divisibility , Mask Policy, Merged LIS, Hungry Ashish, Erase All But One

January Lunchtime 2022 Division 2

Subarray permutations, Prefix Zeros

CodeChef Starters 24 Division 2 (Rated)

Avoid Contact, Yet Another Constructive Problem

February Long 2022 - I, Division 2 (Unrated)

Binary Base Basics, N Queens Puzzle Solved !

CodeChef Starters 25 Division 2 (Rated)

Equal MEX, K Distinct Array, Points and Lines

February Long 2022 - II, Division 2 (Unrated)

Bitwise swaps

CodeChef Starters 27 Division 2 (Rated)

Distinct Binary Strings, The product mystery

May Long Two 2022 Division 2 (Unrated)

Subsequence-Numbers Divisible by 7, Xor Palindrome, Subarrays with length, Make them Zero

Starters 41 Division 2 (Rated)

Equal Integers

June Cook-Off 2022 Division 3 (Rated)

Simple XOR, Break the Stick, First and Last

Starters 42 Division 3 (Rated)

Maximise Set Bits , Minimum or Maximum, Divisible by 3, How Many Maximums, Minimum number of Flips

Starters 43 Division 2 (Rated)

Make them Equal, Permutation AND, Distinct Palindrome

Starters 45 Division 2 (Rated)

Even Equal Odd, Xor and Multiply, KBG and GN-Theory, Retrieve the Array, Adjacent Sum Parity

August Long 2022 Division 1 (Unrated)

XOR with smallest element, Hello Equation

Starters 56 Division 1 (Unrated)

K-Subarrays

Starters 59 Division 1 (Unrated)

Maximum Subarray , Confusing Concatenations, Alternative Sufferings

Starters 61 Division 1 (Unrated)

Weird Subarrays, Red Blue Flowers, Subarray Removal

Starters 66 Division 1 (Rated till 5-stars)

Good Binary Strings, Palindrome In Making

Starters 69 Division 2 (Rated)

Akash and Dinner

February Cook-Off 2023 Division 2 (Rated)

Take Not Less, Pasha and Good Ones, Permutation and Modulus, Minimum Beauty

Starters 82 Division 2 (Rated)

Make A-B Same, Difference Matrix, MIN To MAX

Starters 84 Division 2 (Rated)

SUM OR, Max count of 1, Digit Operation, Max Binary, Chef And Adjacent Sums

Starters 87 Division 2 (Rated)

Inversions of subsequences, Existence, AB plus C

Starters 83 Division 2 (Rated)

Construct String

Starters 88 Division 2 (Rated)

Maximum And Or, Chef and Asteroids, Unstable Subarray, Minimize the Bits

Starters 101 Division 2 (Rated)

Minimize Xor Difference, Split and ADD, Warrior Chef, Lockpicking Chef

Starters 103 Division 1 (Rated till 6 Stars)

Squarified, Chandelier, Unique xor, Divisible By 8

Starters 107 Division 1 (Rated till 6 Stars)

OR Permutation

Starters 109 Division 2 (Rated)

Minimum XOR, Best of N Sets

Starters 111 Division 2 (Rated)

LCM Mania, Prefixing, Prime Range Game, Beautiful Strings, Reach Codetown

Starters 112 Division 2 (Rated)

Cursed Indices, 3 Logicians Walk into a Bar, Yet Another Array Game

Starters 113 Division 2 (Rated)

Count Distinct Arrays, Minimise Maximum Subarray Sum, Maximum Score , Sum Neq

Starters 121 Division 2 (Rated)

Frequal, Split And Maximize, Escape, Caesar Cipher Lite, Anti Adjacent Swaps

Starters 142 Division 1 (Rated till 5-Stars)

Array Removal

Starters 143 Division 2 (Rated)

Non-Divisor Array, Max Min and Length, Binary Conversion

Starters 150 (Rated till 6 stars)

Equal Pairs (Hard), Min Ops (Hard)

Starters 195 (Rated)

String Deletions, Game (Easy), Game (Hard), Marble Collector

Starters 196 (Rated)

Beauty in Everything, Sugar Limit, Append Average

Total Problems Solved: 294

1959
(Div 2)
★★★★
CodeChef Rating (Highest Rating 2070)
  • 2274 Global Rank
  • 1723 Country Rank

Skill tests

33%

C++ Skill test

Attempted on July 2024
97%

Python Skill test

Attempted on March 2025
View skill tests

Badges

Contest Contender - Silver Badge

Contest Contender - Silver Badge

Received for participating in 25 Contests

Problem Solver - Silver Badge

Problem Solver - Silver Badge

Received for solving 250 Problems

Daily Streak - Bronze Badge

Daily Streak - Bronze Badge

Received for maintaining a streak of 5 days

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