Sameer Raj

• Username: 4★samraj2k
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Patna Bihar, India
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 19

Current Ratings Graph Old Ratings Graph

1924 (+72)RatingProvisional
Rating i Provisional Rating, click to know more

March Lunchtime 2021 Division 2(2021-03-27 22:30:02)

Global Rank:   41

Cheated in:   

Ratings System Update

(2021-03-27 22:30:02)

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?

1924 (-125)RatingProvisional
Rating i Provisional Rating, click to know more

March Lunchtime 2021 Division 2(2022-12-20 00:00:00)

Global Rank:   41

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)

None

Practice Paths (0)

None

Contests (19)

December Challenge 2018 Division 2

Chef and An Ideal Problem, Chef and Interactive Contests

November Challenge 2018 Division 2

Chef and Ridges, Good Median, Magician versus Chef 2, Chef and Difficult Contests, Chef and Happiness

January Challenge 2019 Division 2

Yet Another Problem About Sequences, Different Neighbours, Lucky Number Game, Distinct Pairs, Chef and Modulo Game, Fancy Quotes, A Pizza Slice

January Cook-Off 2019 Division 2

Ada School, Ada King

February Challenge 2019 Division 2

Chef and Secret Ingredients, Appy and Contest

October Challenge 2019 Division 2

Even Edges, Chef and Maximum Star Value

January Challenge 2020 Division 2

Chefina and Prefix Suffix Sums

February Challenge 2020 Division 2

The Theatre Problem, School of Geometry, Hard Cash

March Challenge 2020 Division 2

Chef and DAG, XOR Engine, Ada Bishop 2, Lasers Everywhere, Pintu and Fruits

April Challenge 2020 Division 2

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

July Cook-Off 2020 Division 2

Even-tual Reduction, OR-thodox Distinction

June Cook-Off 2020 Division 2

Cache Hits, Per Capita Income, Max Mex, Checkpoints

January Challenge 2021 Division 2

Chef and Ants, Expected Number of SCCs, Watching CPL, Fair Elections

January Cook-Off 2021 Division 2

Prime Tuples, Maximise Islands, Mex Subsequence

January Lunchtime 2021 Division 1 (Unrated)

Good Grid, Shifting Spoons, Dreams of Divisibility, Even Sum

September Lunchtime 2020 Division 1

Root the Tree

March Cook-Off 2021 Division 1

Consecutive Deletions

March Lunchtime 2021 Division 2

Dinner by Candlelight, Racing, Uniform, Lunchtime

July Challenge 2021 Division 1 (Unrated)

XxOoRr, K Path Query

Total Problems Solved: 84