shubham shankar

• Username: 4★shu_2806
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Guwahati Assam
• 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: 16

Current Ratings Graph Old Ratings Graph

1978 (+51)RatingProvisional
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Starters 63 Division 1 (Rated for 5 & 6 stars)(2022-11-02 23:00:00)

Global Rank:   17

Cheated in:   

Ratings System Update

(2022-11-02 23:00:00)

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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1978 (-120)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 63 Division 1 (Rated for 5 & 6 stars)(2022-12-20 00:00:00)

Global Rank:   17

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 (16)

April Challenge 2020 Division 2

Squared Subsequences, Unit GCD, Sell All the Cars, COVID Pandemic and Long Queue, Strange Number

May Challenge 2020 Division 2

Triple Sort, Coronavirus Spread, Isolation Centers

April Cook-Off 2020 Division 2

Matrix Decomposition, Lift Requests

April Lunchtime 2020 Division 2

Another Birthday Present!, Chef in Fantasy League

June Challenge 2020 Division 2

Even Matrix, Chef and Price Control, Chef and String, Covid Sampling (Challenge), Chef and Icecream, Operations on a Tuple, The Tom and Jerry Game!

August Challenge 2020 Division 1

Subsequence Frequency Counting, Smallest KMP, Chef and Wedding Arrangements

September Challenge 2020 Division 1

Ada Matrix, Find XOR, Chefina and Swap, Chef and Trump Cards

July Lunchtime 2020 Division 1

Binary Concatenation

August Cook-Off 2020 Division 1

Polygon Relationship

RECode 12.0 (Rated for all)

Chef and String, Chef and Numbers

Coders' Legacy (Rated for all)

Chef vs Doof, Doof on Cartesian, Doof fires Brackets

September Lunchtime 2020 Division 1

Root the Tree

September Challenge 2021 Division 2 (Unrated)

2-D Point Meeting

January Cook-Off 2022 Division 2

Subsegment Divisibility , Prime Graph, Merged LIS, Mean Maximization, Palindromes Not Allowed

July Cook-Off 2022 Division 1 (Rated)

Segmentation Fault

June Cook-Off 2022 Division 1 (Rated)

Throw and Take, Simple XOR, Split AND Sum

Starters 63 Division 1 (Rated for 5 & 6 stars)

Maximize 1s, Count Partitions , GCD Sort, Make Length 1, Minimum Absolute Score, Greedy Grid Moves

Total Problems Solved: 68