N JAYA KRISHNA

• Username: 2★jayanitw
• Country:  India
• Student/Professional:Student
• Institution:National Institute of Technology Warangal
• 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: 52

Current Ratings Graph Old Ratings Graph

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February Challenge 2021 Division 3(2021-02-15 15:00:04)

Global Rank:   13424

Cheated in:   

Ratings System Update

(2021-02-15 15:00:04)

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1413 (+1)RatingProvisional
Rating i Provisional Rating, click to know more

February Challenge 2021 Division 3(2022-12-20 00:00:00)

Global Rank:   13424

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 (52)

February 2012 Challenge

Word Couting, Count of Maximum

April Challenge 2012

Double Strings

October Challenge 2013

Helping Lira

November Challenge 2013

Superpowers of 2, Uncle Johny, Square Digit Squares, Missing some chairs

May Challenge 2014

Compilers and Parsers, Chef-jumping, Stone

July Challenge 2014

Count Substrings

September Challenge 2015

Count Steps in Matrix

October Challenge 2016

Chef and Keyboard, Fenwick Iterations, Chef and Three Dogs

November Challenge 2016

Count Permutations, Chef and squares, Task for Alexey

December Challenge 2016

Train Partner, Kth Max Subarray, Kirito in labyrinth, Our Base is Under Attack

December Lunchtime 2016

Superheroes and villains

January Challenge 2017

Capital Movement, Cats and Dogs, Digits Cannot Separate, Reservior

February Challenge 2017

Interval Game, Chef and Triangles, Chef and His Apartment Dues, Most Frequent Element, Gerrymander

March Challenge 2017

Xenny and Alternating Tasks, Bear and Extra Number, Bandwidth of a matrix

April Challenge 2017

Dish Of Life, Bear and Row 01, Bear and Clique Distances, Similar Dishes

May Challenge 2017

Chef and Sub Array , Chef and his daily routine, Courses in an university, Blocked websites, Median of adjacent maximum numbers, Chef and Subsequences

June Challenge 2017

A Good Set, Chef and the Feast, Xenny and Coin Rankings, Pairwise union of sets

July Challenge 2017

Chef and Sign Sequences, Whats in the Name, Calculator , IPC Trainers

August Long Challenge 2017

Chef and Rainbow Array, Greedy Candidates

October Challenge 2017

Max Mex, Counter Test For CHEFSUM, A Balanced Contest

November Challenge 2017

Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes

December Challenge 2017

Total Diamonds, Chef And his Cake, Penalty Shoot-out

IOPC 2017 (Rated)

The Birthday Tears, Max Out

January Challenge 2018

Rectangle

March Challenge 2018 DIV 2

Chef and Easy Problem, A Big Sale, Mix the Colors, Chef and Glove, Minions and Voting, Minion Chef and Bananas

June Cook-Off 2018 Division 2

Archi and Comparsion, Good Permutations

July Cook-Off 2018 Division 1

OR Matrix

April Challenge 2018 Division 2

Count Good Prefixes, Average of Pairs, Workers

May Challenge 2018 Division 2

Mighty Friend, Minimum Deletions, Xor Again, Fake Binary Search, Dibs on Fibs

June Challenge 2018 Division 2

Sheokand and String, Binary Shuffle, Naive Chef

July Challenge 2018 Division 2

Reach Equilibrium, No Minimum No Maximum, Magic Set, Strike or Spare, No Strings Attached

August Challenge 2018 Division 1

Modular GCD

January Challenge 2019 Division 1

Different Neighbours, Distinct Pairs

February Challenge 2019 Division 1

Manhattan Rectangle, Chef and Secret Ingredients

April Challenge 2019 Division 2

Friend or Girlfriend, Maximum Remaining, Fencing

October Challenge 2019 Division 2

Phone Prices

November Challenge 2019 Division 2

Hard Sequence, Weapon Value

December Challenge 2019 Division 2

Plus Multiply, That Is My Score!

January Challenge 2020 Division 2

Chef and Dynamo, Doraemon, Equality, Breaking Bricks

March Challenge 2020 Division 2

Pintu and Fruits

May Challenge 2020 Division 2

Coronavirus Spread, Isolation Centers

October Challenge 2020 Division 2

Positive AND, Covid Run, Chef and Easy Queries

November Challenge 2020 Division 2

Restore Sequence, Ada and Dishes

January Challenge 2021 Division 3

Fair Elections, Chef and Division 3, Encoded String

February Challenge 2021 Division 3

Maximise Function, Highest Divisor

Total Problems Solved: 129