Nitin kumar

• Username: 3★n1tz53
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Delhi India
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 43

Current Ratings Graph Old Ratings Graph

1725 (-36)RatingProvisional
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July Challenge 2017(2017-07-17 15:00:00)

Global Rank:   4065

Cheated in:   

Ratings System Update

(2017-07-17 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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1725 (+166)RatingProvisional
Rating i Provisional Rating, click to know more

July Challenge 2017(2022-12-20 00:00:00)

Global Rank:   4065

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 (43)

June Challenge 2012

Little Elephant and Candies, Arranging Cup-cakes

July Challenge 2012

Gift Rift

August Challenge 2012

Little Elephant and Bombs, Delivery Boy

September Challenge 2012

Kisses & Hugs, Racing Horses, Three is Crowd

October Challenge 2012

Fierce Battles, Event Organizer, Maximum Sub-rectangle in Matrix, The New Scheme

November Challenge 2012

Coin Flip, Sridhar Likes Travelling

December Challenge 2012

Granama Recipes, Magic Rankings, Pizza Delivery

February 2013 Challenge

Little Elephant and Cards, Buy1-Get1, Climbing Stairs

March Challenge 2013

Tourist Translations, Fire Escape Routes

April Challenge 2013

Barcelona Gameplay Tactics, Kingdom Unity, Maximum Weight Difference, Levy Conjecture

May Challenge 2013

Your Name is Mine

June Challenge 2013

Lapindromes

July Challenge 2013

Galactik Football, Chef and Walking on the rectangle , Count K-Primes

August Challenge 2013

Splitting Candies

September Challenge 2013

CAO Stage-1

October Challenge 2013

Helping Lira, Maxim and Dividers

December Challenge 2013

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

January Challenge 2014

Bon Appetit, Please like me, Chef and Feedback

September Cook-Off 2014, ACM-ICPC Warm up

Sherlock and the Grid, Subarray GCD

November Cook-Off 2014

Brackets

February Challenge 2014

Make Him Happy, Longest Common Pattern, Little Elephant and Subarrays

March Challenge 2014

Team Split, Walk, Little Chef and Numbers

April Challenge 2014

Sereja and Permutation, Counting Matrices, Farmer Feb, Cards, bags and coins, Chef and Digits, Divide the Tangerine, Shortest Path in Binary Trees

May Challenge 2014

Little Elephant and Balloons, Compilers and Parsers, Chef-jumping, Chef and Strange Matrix, Stone

June Challenge 2014

Chef and Subarray, Guessing Game

July Challenge 2014

Chef and Frogs, Count Substrings

August Challenge 2014

Chef and Gift

September Challenge 2014

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

October Challenge 2014

Remy paints the fence, Chef and Ground, Magical Girl and Colored Liquid Potions

November Challenge 2014

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

December Challenge 2014

Chef Under Pressure, XOR with Subset, Chef and Apple Trees

January Challenge 2015

Chef and Stones, One Dimensional Kingdoms, Gcd Queries

February Challenge 2015

Chef and Chain, Time to Study Graphs with Chef, Chef and Strange Formula, Chef and Strings, Let us play with rank list, Xor Matrix, Jigsaw Puzzle Solving, Chef and Equality, Devu and Locks

April Challenge 2015

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

September Challenge 2015

Chain of Doughnuts, Count Steps in Matrix

August Challenge 2016

Chef and Circle Run, Chef and Chocolate, Chef and Round Run

September Challenge 2016

Chef and Friends, Chef and digits of a number

March Challenge 2017

Xenny and Alternating Tasks, Bear and Extra Number

July Challenge 2017

Chef and Sign Sequences, Whats in the Name

Total Problems Solved: 186