Rakotoniaina Onjanirina

• Username: 4★onjanirina
• Country:  Madagascar
• Student/Professional:Professional
• Organisation:Onjanirina.pro
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 25

Current Ratings Graph Old Ratings Graph

1826 (+12)RatingProvisional
Rating i Provisional Rating, click to know more

September Challenge 2017(2017-09-11 15:00:00)

Global Rank:   1386

Cheated in:   

Ratings System Update

(2017-09-11 15:00:00)

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?

1826 (+101)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   1386

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 (25)

April Challenge 2012

Double Strings

May Challenge 2012

Jewels and Stones, Remember the recipe, Lucky lucky number

May Cook-Off 2012

Little Elephant and Strings

June Challenge 2012

Little Elephant and Candies, Arranging Cup-cakes

June Cook-Off 2012

Closing the Tweets

July Challenge 2012

Chef's Dream, Gift Rift

August Challenge 2012

Little Elephant and Bombs

July Cook-Off 2012

Ciel and Tomya, Ciel and Receipt

September Challenge 2012

Racing Horses

December Challenge 2012

Granama Recipes, Magic Rankings

January Challenge 2013

The Minimum Number Of Moves, Chef of the Year, Three Different Numbers

February 2013 Challenge

Little Elephant and Cards, Efficient Painting, Climbing Stairs, Buy1-Get1

February Cook-Off 2013

Lack of Logic, Row and Column Operations

March Challenge 2013

Tourist Translations, Approximately, Fire Escape Routes, Minesweeper

May Challenge 2013

Matchsticks, Password Cracking Challenge, Name Reduction, Your Name is Mine, Field Trip

June Challenge 2013

Lapindromes, W String, Predictopus, To challenge or not, Dessert Wizard

July Challenge 2013

Mountain Holidays, Galactik Football, Chef and Walking on the rectangle , Count K-Primes, Sereja and Sorting

August Challenge 2013

Save The Princess, Splitting Candies, Deleting numbers, Hello Hello, Little Elephant and Lemonade

May Challenge 2014

Compilers and Parsers, Chef-jumping, Chef and Strange Matrix, Stone

June Challenge 2014

Forgot Password, Guessing Game, Chef and Digit Jumps, Chef and Subarray

July Challenge 2014

Garden Game, Chef and Frogs, Count Substrings, Reach The Point

August Challenge 2014

Chef and Reversing, The Leaking Robot, Chef and Gift

October Challenge 2014

Chef and Ground, DevuLand, Dinosaurs and Laddus, Magical Girl and Colored Liquid Potions

August Challenge 2015

Way Out, Gravity Guy, Cooking Machine

September Challenge 2017

Sereja and Commands, Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums

Total Problems Solved: 74