Hari Sai Charan Challa

• Username: 1★harisaicharan_
• Country:  India
• Student/Professional:Student
• Institution:International Institute of Information Technology, Hyderabad Telangana, 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: 25

Current Ratings Graph Old Ratings Graph

1199 (-275)RatingProvisional
Rating i Provisional Rating, click to know more

April Challenge 2019 Division 2(2019-04-15 15:00:02)

Global Rank:   11812

Cheated in:   Plagiarised in APRIL19B

Ratings System Update

(2019-04-15 15:00:02)

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?

1199 (+179)RatingProvisional
Rating i Provisional Rating, click to know more

April Challenge 2019 Division 2(2022-12-20 00:00:00)

Global Rank:   11812

Cheated in:   Plagiarised in APRIL19B

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 (25)

August Challenge 2016

Chef and Round Run, Chef and Chocolate

September Challenge 2016

Chef and digits of a number, Faded Palindromes, Chef and calculation

October Challenge 2016

Chef and Keyboard, Chef and Three Dogs

November Challenge 2016

Count Permutations, Chef and squares, Task for Alexey

September Cook-Off 2016

Lazy Jem

November Lunchtime 2016

Chef and his Students

March Challenge 2017

Bandwidth of a matrix

April Challenge 2017

Similar Dishes

May Challenge 2017

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

July Challenge 2017

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

August Long Challenge 2017

Chef and Rainbow Array, Palindromic Game

December Challenge 2017

Total Diamonds, Chef and Hamming Distance of arrays

Alkhwarizm 2017 (Rated)

Logan and his XOR debacle

January Challenge 2018

K-Concatenation, Maximum Score, Rectangle, String Merging

March Challenge 2018 DIV 2

A Big Sale, Minion Chef and Bananas, Minions and Voting, Chef and Glove

July Cook-Off 2018 Division 2

OR Matrix

August Cook-Off 2018 Division 2

Mixi Game

April Challenge 2018 Division 2

Count Good Prefixes

May Challenge 2018 Division 2

Mighty Friend, Dibs on Fibs

June Challenge 2018 Division 2

Binary Shuffle

April Challenge 2019 Division 2

Subtree Removal

Total Problems Solved: 65