Nitin Gupta

• Username: 6★rock_star789
• Country:  India
• Student/Professional:Student
• Institution:National Institute of Technology Tiruchirappalli Tamil Nadu, India
• 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: 17

Current Ratings Graph Old Ratings Graph

2422 (+37)RatingProvisional
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Starters 70 Division 1 (Rated till 6-stars)(2022-12-21 23:00:00)

Global Rank:   7

Cheated in:   

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(2022-12-21 23:00:00)

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2385 (-18)RatingProvisional
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Starters 62 Division 1 (Rated for 5 & 6 stars)(2022-12-20 00:00:00)

Global Rank:   16

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

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Learning Paths (0)

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Contests (17)

June Cook-Off 2021 Division 3

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

July Cook-Off 2021 Division 2

XOR-ORED, Mod Equality

July Lunchtime 2021 Division 2

Beautiful Pairs, Array Rotation Returns, Longest Good Segment

August Challenge 2021 Division 2 (Unrated)

Problem Difficulties, Olympics Ranking

September Cook-Off 2021 Division 2

Chef and Pairwise Distances, Zebra Crossing, Fake Swaps, Adjacency Hatred

September Lunchtime 2021 Division 2

Balanced and Unique Arrays, Alice vs Bob Faceoff, Yet another SOD problem

October Cook-Off 2021 Division 1

Find the Modulus, Can You Reach The End

October Lunchtime 2021 Division 1

Median Rearrangement, Tree Upshot

CodeChef Starters 17 Division 1 (Unrated)

Binary Inversion, GCD of Prefixes, Yet Another Counting Problem, String Game, Partition It, Find the Special Node

SnackDown 2021 - Elimination Parallel (Rated for Div 1)

Graduate Work Matters, Sorting Segments

December Cook-Off 2021 Division 1

Binary String Game, Destructive Nim, RGB Construction, Break the Balance

Infinity 2k21 Division 1 (Unrated)

Marbles, Hopscotch

January Cook-Off 2022 Division 1

Merged LIS, Subsegment Divisibility

CodeChef Starters 23 Division 1 (Unrated)

Average of Three, Subarray Mex, Maximise the Minimum, Maximising Vacations, Non Zero Subarray Xor

January Lunchtime 2022 Division 1

Permutation XOR Sum

CodeChef Starters 25 Division 1 (Unrated)

Building Towers, Equal MEX, K Distinct Array

February Cook-Off 2022 Division 1

Xor Becoming Uncanny, Slingshot, Mango Market, PerMEXuation , Perfect Permutation

August Lunchtime 2022 Division 1 (Rated)

Sort the Array, Tree Coloring, Subtract 12 Operation, MEX Permutation Difference

September Lunchtime 2022 Division 1 (Rated) (Based on EJOI)

Increasing Addition, Longest Unfriendly Subsequence, Adjacent Pairs

Starters 62 Division 1 (Rated for 5 & 6 stars)

Joint XOR, Disjoint XOR, Sorted Substrings, Make Multiple, Pythagorean Pair

Starters 70 Division 1 (Rated till 6-stars)

Two Counters, Frequency Array Retrieval, Prime Reversal, X AND Y Tree, Strange Bitwise Operation

Starters 72 Division 1 (Rated till 5-Stars)

N Triplets, Good Sequence, Good Arrangement, No sequence, Base or Bias, XOR Tree

Total Problems Solved: 87