Rishak Gupta

• Username: 4★rishak192
• Country:  India
• Student/Professional:Student
• Institution:National Institute of Technology Patna Bihar, India
• CodeChef Pro Plan: No Active Plan. View Details

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

Rating Graph

No. of Contests Participated: 36

Current Ratings Graph Old Ratings Graph

1866 (+9)RatingProvisional
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Starters 61 Division 2 (Rated)(2022-10-19 23:00:02)

Global Rank:   578

Cheated in:   

Ratings System Update

(2022-10-19 23:00:02)

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

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1866 (+32)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 61 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   578

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 (36)

March Challenge 2021 Division 3

Chef and Groups, Space Arrays, No Time to Wait

April Challenge 2021 Division 3

Valid Pair, World Record, Strong Language

SPYBITS IIT BHU Division 3 (Rated)

B - Valentine Couples, A - Save Water Save Life

May Challenge 2021 Division 3 (Rated)

Xor Equality, Tic Tac Toe, Golf, Solubility

June Challenge 2021 Division 3 (Rated)

Shortest Route, Bitwise Tuples, Bella ciao, Summer Heat

July Challenge 2021 Division 3 (Rated)

XxOoRr, Optimal Denomination, Maximum Production, Relativity

July Lunchtime 2021 Division 3

Chef and Spells

August Challenge 2021 Division 3 (Rated)

Special Triplets, Array Filling, Chef and Bulb Invention, Problem Difficulties, Olympics Ranking

August Cook-Off 2021 Division 3

Different String, Equal Difference, Which Division, Team Formation

August Lunchtime 2021 Division 3

Maximum Length Even Subarray, Programming Languages

CodeChef Starters 8 Division 3 (Rated)

Penalty Shots

AlgoManiac - Code For Future Division 3 (Rated)

Say No To Drugs, The Rumbling, The Old Saint And Three Questions, Meet In The Median

September Challenge 2021 Division 2 (Unrated)

XOR Equal, Shuffling Parities, Airline Restrictions, Travel Pass

September Cook-Off 2021 Division 2

Zebra Crossing, Fake Swaps, Adjacency Hatred

CodeChef Starters 11 Division 2 (Rated)

The Grid Fill Problem, Obtain the Sum

CodeChef Starters 13 Division 2 (Rated)

Chef in Vaccination Queue, Maximum Light Up, Magical Doors

September Lunchtime 2021 Division 2

Balanced and Unique Arrays, Yet another SOD problem

December Cook-Off 2021 Division 2

Median Minimization, Musical Chairs

December Lunchtime 2021 Division 2

Maximum Trio, Optimal Sorting, Romantic Reversals

CodeChef Starters 21 Division 2 (Rated)

Akash and Grid, And Or Union

CodeChef Starters 22 Division 2 (Rated)

An Interesting Sequence, Even Subset Xor, Equal LIS

Infinity 2k21 Division 2 (Rated)

Marbles

Code Drive Division 2 (Rated)

Sum this up, Again XOR problem, Maximum Factors Problem, Count Number of Peaks

January Long 2022 - I, Division 2 (Unrated)

Prime in a binary string

Exun 2021-22 Division 2 (Rated)

Sarthak and his Magic Grid, Vedant and his Hidden Array, Aujasvit and the Circle Game

January Cook-Off 2022 Division 2

Palindromes Not Allowed, Mean Maximization, Subsegment Divisibility , Merged LIS

January Lunchtime 2022 Division 2

Subarray permutations, Prefix Zeros, Permutation XOR Sum

CodeChef Starters 24 Division 2 (Rated)

Anti Palindrome, Avoid Contact, Divisors and Reciprocals, Yet Another Constructive Problem

February Cook-Off 2022 Division 2

Perfect Permutation, PerMEXuation , Prefix Permutation

CodeChef Starters 27 Division 2 (Rated)

String Reverse, Distinct Binary Strings, Non Coprime Neighbours, The product mystery

February Lunchtime 2022 Division 1

Magnet Sort

CodeChef Starters 28 Division 2 (Rated)

Permutation Xority, Count the Holidays

CodeChef Starters 29 Division 2 (Rated)

String protocol, Plusle and Minun on Array, Decomposition Reaction

CodeChef Starters 30 Division 2 (Rated)

Minimum Coloring, Gift Shop and Coupon, Balanced Reversals

March Cook-Off 2022 Division 2

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

Starters 61 Division 2 (Rated)

Minimise LCS, Weird Subarrays, Red Blue Flowers, Subarray Removal

Total Problems Solved: 133