Hari kumar

• Username: 3★harikumar123
• Country:  India
• Student/Professional:Student
• Institution:National Institute of Technology, Nagaland
• CodeChef Pro Plan: No Active Plan. View Details

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Last 6 Months 2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

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No. of Contests Participated: 35

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1663 (+42)RatingProvisional
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Starters 114 Division 2 (Rated)(2023-12-27 22:15:02)

Global Rank:   316

Cheated in:   

Ratings System Update

(2023-12-27 22:15:02)

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1621 (-207)RatingProvisional
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May Cook-Off 2022 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   349

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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Contests (35)

May Challenge 2020 Division 2

Isolation Centers, Coronavirus Spread

April Lunchtime 2020 Division 2

Chef in Fantasy League, Another Birthday Present!

May Lunchtime 2020 Division 2

Lost Weekends, Weird Walk

June Challenge 2020 Division 2

Even Matrix, The Tom and Jerry Game!, Chef and Icecream, Chef and String, Chef and Price Control

July Challenge 2020 Division 2

Chef and Card Game, Chef and Strings, Missing a Point, Ada King

August Challenge 2020 Division 2

Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess, Smallest KMP

September Challenge 2020 Division 2

A Problem on Sticks, Ada Matrix

July Cook-Off 2020 Division 2

Even-tual Reduction

July Lunchtime 2020 Division 2

Chef and Steps

June Cook-Off 2020 Division 2

Cache Hits

June Lunchtime 2020 Division 2

Chef and Demonetisation, Increasing Decreasing

RECode 12.0 (Rated for all)

Chef and String, Chef and Numbers

October Challenge 2020 Division 2

Positive AND, Replace for X, Covid Run, Chef and Easy Queries

November Challenge 2020 Division 2

Restore Sequence, Iron, Magnet and Wall, Magical Candy Store, Ada and Dishes

December Challenge 2020 Division 2

Hail XOR, Positive Prefixes, Even Pair Sum, Vaccine Production, Vaccine Distribution

December Cook-Off 2020 Division 2

Self-Destructing Strings, Minimum Attendance Requirement

December Lunchtime 2020 Division 2 (Unrated)

Sed Sequences

November Cook-Off 2020 Division 1

Chef and IPC Certificates

October Lunchtime 2020 Division 2

AND Plus OR, Chef Likes Good Sequences

September Cook-Off 2020 Division 2

Bowling Strategy

January Cook-Off 2022 Division 2

Palindromes Not Allowed

CodeChef Starters 23 Division 3 (Rated)

Subarray Mex, Maximising Vacations, Chef and Profits, Average of Three

CodeChef Starters 24 Division 3 (Rated)

Anti Palindrome, Avoid Contact, Badminton Serves, Yet Another Constructive Problem, EVM Hacking

February Cook-Off 2022 Division 2

Prefix Permutation

CodeChef Starters 27 Division 3 (Rated)

The product mystery, Blackjack, Distinct Binary Strings, Too many items

CodeChef Starters 28 Division 3 (Rated)

Permutation Xority, Self Defence Training, Car Choice, Count the Holidays

CodeChef Starters 29 Division 2 (Rated)

String protocol, Plusle and Minun on Array

CodeChef Starters 30 Division 2 (Rated)

Gift Shop and Coupon, Balanced Reversals

March Cook-Off 2022 Division 2

Fixed Weight, Alternating Divisibility, Equal Mex Splitting, Janmansh at Fruit Market

CodeChef Starters 34 Division 2 (Rated)

Average Array

Starters 35 Division 2 (Rated)

Dark Light

Starters 36 Division 2 (Rated)

Presents for Cheffina

May Cook-Off 2022 Division 2 (Rated)

Doubled Distances

Starters 114 Division 2 (Rated)

Yet another Matrix problem, Rock-Paper-Scissors, Christmas Candy

Total Problems Solved: 251