Shekhar Nain

• Username: 5★shekharnain
• Country:  India
• Student/Professional:Professional
• Organisation:Morgan Stanley
• 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: 29

Current Ratings Graph Old Ratings Graph

2094 (-9)RatingProvisional
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January Lunchtime 2018(2018-01-27 22:40:00)

Global Rank:   274

Cheated in:   

Ratings System Update

(2018-01-27 22:40:00)

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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2094 (+76)RatingProvisional
Rating i Provisional Rating, click to know more

January Lunchtime 2018(2022-12-20 00:00:00)

Global Rank:   274

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 (29)

October Challenge 2013

Helping Lira, Maxim and Dividers, Sereja and Transformation, Yet Another Nice Girl

November Challenge 2013

Uncle Johny, Missing some chairs

December Challenge 2013

Chef and Codes, Funny Marbles, Magic Pairs, Reign, Rectangular Queries

January Challenge 2014

Magic Trick, Bon Appetit, Please like me, Chef and Feedback

August Cook-Off 2014

Permutation Shuffle

September Cook-Off 2014, ACM-ICPC Warm up

Sherlock and the Grid, Subarray GCD

October Cook-Off 2014

The Army, Walk on the Axis, Mahesh and his lost array

February Challenge 2014

Draughts, Make Him Happy, Longest Common Pattern, Little Elephant and Subarrays, Colored Array

March Challenge 2014

Team Split, Binary Tournament, Walk, Little Chef and Numbers, Mike and Stamps

April Challenge 2014

Counting Matrices, Farmer Feb, Chef and Digits, Divide the Tangerine, Shortest Path in Binary Trees

May Challenge 2014

Compilers and Parsers, Chef-jumping, Stone

June Challenge 2014

Maxim and Progressions, Chef and Functions, Chef and Digit Jumps, Chef and Subarray, Guessing Game, Forgot Password

July Challenge 2014

Little Elephant and Painting, Garden Game, Chef and Frogs, Chef and Rectangle Genome, Count Substrings, Reach The Point, Dish Owner

August Challenge 2014

Chef and Reversing, The Leaking Robot, Cleaning Tables, Chef and Gift

September Challenge 2014

Factorisation, Chef and Rainbow Array - 2, Chef and Swaps, Chef and Left-Right, Chef and sequence, Fun with Rotation, Flooring

October Challenge 2014

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

November Challenge 2014

Chef and Segment Game, Chef and Words, Fombinatorial, Distinct Characters Subsequence, Chef and Red Black Tree, Let us construct palindrome, Chef and Churu

December Challenge 2014

Chef Under Pressure, Alok-nath and His Sanskars, Chef and Bracket-Pairs, XOR with Subset, Chef and Apple Trees, Sereja and GCD

June Lunchtime 2014

The Smallest Pair

January Challenge 2015

Queries on the String, Chef and A Large Permutation, Chef and Stones, Sereja and Votes, One Dimensional Kingdoms, Xor Queries, Gcd Queries

March Challenge 2015

Count Substrings, Chef and Notebooks, Chef and Problems, Devu and his Class, Sign Wave, Matrix

May Challenge 2015

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

August Challenge 2015

Way Out, Gravity Guy, Devu And Churu , Cooking Machine, Aditi and Magic Trick, Chef and insomnia

July Cook-Off 2015

Cops and the Thief Devu, Maximize Disjoint Pair Sum

October Cook-Off 2015

Word Stem, Almost Sorted Permutation

September Lunchtime 2015

Sum of palindromic numbers

January Long Challenge 2016

Sereja and Salesman, Chef and Inflation, Rupsa and the Game, Churu and Balls, Cyclist Race, Chef and Time Machine, Devu and Perfume

February Challenge 2016

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

January Lunchtime 2018

Chef and Game with Sequence, Chef and Escaping from the Labyrinth

Total Problems Solved: 173