Ruban Sahoo

• Username: 2★ruban7
• Country:  India
• Student/Professional:Professional
• Organisation:HashedIn Technologies
• 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: 15

Current Ratings Graph Old Ratings Graph

1492 (-46)RatingProvisional
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Starters 145 Division 3 (Rated)(2024-07-31 22:00:04)

Global Rank:   3759

Cheated in:   

Ratings System Update

(2024-07-31 22:00:04)

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1512 (-89)RatingProvisional
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July Lunchtime 2021 Division 2(2022-12-20 00:00:00)

Global Rank:   3022

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

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Learning Paths (0)

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Practice Paths (0)

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Contests (15)

April Challenge 2020 Division 2

Sell All the Cars

July Challenge 2020 Division 2

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

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

Chefina and Swap, A Problem on Sticks, Ada Matrix, Coronavirus Spread 2

December Challenge 2020 Division 2

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

Coders' Legacy (Rated for all)

Chef vs Doof

January Cook-Off 2021 Division 3

Distinct Pair Sums, Password

February Challenge 2021 Division 3

Frog Sort, Team Name, Chef and Meetings, Prime Game, Maximise Function, Highest Divisor

July Cook-Off 2021 Division 2

XOR-ORED, Mod Equality

July Lunchtime 2021 Division 2

Beautiful Pairs

CodeChef Starters 6 Division 2 (Unrated)

Joker and Batman, Even tuples, Three Dices, Cricket Ranking

CodeChef Starters 7 Division 2 (Unrated)

Maximum Array Xor, Chess Format, Food Chain

CodeChef Starters 9 Division 2 (Unrated)

Black cells in a chessboard, Large Square, Bus full of passengers

SnackDown 2021 - Online Qualifiers

Maximum Number Of Distinct Elements, Lucky Number

SnackDown 2021 - Online Round 1A

Yet Another Flipping Problem, Round Robin Ranks , Dance Moves, Equal Beauty, Min Max LCM

Starters 72 Division 3 (Rated)

Indivisible, Apples and oranges

Starters 122 Division 3 (Rated)

Problem Reviews, Arya In Grid, Transformation Cost, Man of the Match

Starters 145 Division 3 (Rated)

Gun Master

Total Problems Solved: 107