Sagnik Ghosh

• Username: 5★oliverwayne
• Country:  India
• Student/Professional:Student
• Institution:National Institute of Technology Karnataka
• 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: 22

Current Ratings Graph Old Ratings Graph

2089 (+16)RatingProvisional
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October Cook-Off 2020 Division 1(2020-10-19 00:00:00)

Global Rank:   101

Cheated in:   

Ratings System Update

(2020-10-19 00:00:00)

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2089 (-61)RatingProvisional
Rating i Provisional Rating, click to know more

October Cook-Off 2020 Division 1(2022-12-20 00:00:00)

Global Rank:   101

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 (22)

October Mega Cook-Off 2018 Division 2

Ada and the Staircase, Binary Nim 2

November Cook-Off 2018 Division 1

Beautiful Garland

December Challenge 2018 Division 1

(Challenge) Delete DAG, Max and Electrical Panel, Directing Edges, Chef and Interactive XOR

October Challenge 2018 Division 2

Appy and Balloons , Chef and Serves, Byte to Bit

October Lunchtime 2018 Division 2

Three Friends, Coloring the Grid, Weird Question

Encoder (Rated for Division 2)

Paint the Wall, Knight Chess

December Lunchtime 2018 Division 1

Choosing from Buckets, Age Calculator

January Challenge 2019 Division 1

Yet Another Problem About Sequences, Different Neighbours, Partition the Graph, Distinct Pairs, A Pizza Slice

February Cook-Off 2019 Division 1

Max Range Queries, Chef and Secret Password, Chef and Party

March Challenge 2019 Division 1

(Challenge) Interleaving Strings, Cheating on Queue, Yet Again a Subarray Problem

Coders' Legacy 2019 (Rated for all)

Bathwater, IPL and RCB

December Lunchtime 2019 Division 1

The Evil Professor, Frequency Function, Guess the number

Alkhwarizm (Rated for all)

Weirwood Trees, Danny Wants To Know

May Cook-Off 2020 Division 1

Chef, Chefina and Their Friendship, Roads in Chefland

July Cook-Off 2020 Division 1

Even-tual Reduction, OR-thodox Distinction

July Lunchtime 2020 Division 1

Binary Concatenation , Golomb Sequence

June Cook-Off 2020 Division 1

Per Capita Income, Checkpoints

June Lunchtime 2020 Division 1

Maximum AND, Gold Mining, Square Submatrices

RECode 12.0 (Rated for all)

Chef and String, Chef and Walk, Chef and Rotation, Chef and Numbers

October Cook-Off 2020 Division 1

Path-etic Sums, Yet Another Crossover Episode

Coders' Legacy (Rated for all)

Chef vs Doof, Doof on Cartesian, Doof fires Brackets

Total Problems Solved: 82