RAVI GUPTA

• Username: 4★ra07
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Guwahati Assam
• 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: 20

Current Ratings Graph Old Ratings Graph

1828 (+63)RatingProvisional
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September Challenge 2016(2016-09-15 15:00:00)

Global Rank:   68

Cheated in:   

Ratings System Update

(2016-09-15 15:00:00)

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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1828 (-348)RatingProvisional
Rating i Provisional Rating, click to know more

September Challenge 2016(2022-12-20 00:00:00)

Global Rank:   68

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 (20)

September Challenge 2014

Chef and Left-Right, Factorisation, Fun with Rotation

October Challenge 2014

Remy paints the fence, DevuLand, Dinosaurs and Laddus, Magical Girl and Colored Liquid Potions, Chef and Ground, Chef and Painting

November Challenge 2014

Chef and Segment Game, Distinct Characters Subsequence, Chef and Red Black Tree, Let us construct palindrome, The Spelling Problem

December Challenge 2014

Chef and Apple Trees

January Challenge 2015

Sereja and Number Division 2, Gcd Queries, One Dimensional Kingdoms, Sereja and Votes, Chef and Stones, Chef and A Large Permutation

February Challenge 2015

Chef and Equality, Let us play with rank list, Chef and Strings, Chef and Chain, Chef and Strange Formula

March Challenge 2015

Count Substrings, Chef and Notebooks, Sereja and Random Array, Devu and his Class, Sign Wave

April Challenge 2015

Chef and Interview, Chef and Piano Scales, Division of Lands, Broken Telephone, Chef and Array, Count Sequences

May Challenge 2015

Devu and binary String, Chef and Prime Divisors, Set Difference , Chef and new recipe

June Challenge 2015

Chef and Polygons, Chef and Memory Limit, Steady tables, Chef and His Friend

July Challenge 2015

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

September Challenge 2015

Cracking the Code, Lighthouses, Bank robbery, Count Steps in Matrix, Chain of Doughnuts

October Challenge 2015

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

June Lunchtime 2015

Chef and Two Strings

July Lunchtime 2015

Greedy puppy

February Challenge 2016

Chef and Strange Operations, Chef-Detective, Rectangles of Love, Sereja and Two Lines, Devu and a light discussion

March Challenge 2016

Palindromic substrings, maximize the sum, Parity tree, Chef And Special Dishes

April Challenge 2016

Devu and good strings, Chef And Coloring, Chef And Magical Path, Chef and Ballons, Fibonacci Queries, Help Watson Escape

September Challenge 2016

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

Total Problems Solved: 106