Sachin Kumar

• Username: 1★sachin_iit
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology BHU Varanasi, Uttar Pradesh, India
• 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: 27

Current Ratings Graph Old Ratings Graph

1138 (+60)RatingProvisional
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Starters 86 Division 4 (Rated)(2023-04-19 22:00:06)

Global Rank:   336

Cheated in:   

Ratings System Update

(2023-04-19 22:00:06)

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996 (-278)RatingProvisional
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July Cook-Off 2022 Division 4 (Rated)(2022-12-20 00:00:00)

Global Rank:   123

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 (27)

January Cook-Off 2021 Division 3

Distinct Pair Sums

January Lunchtime 2021 Division 3 (Unrated)

Pair Me, Even Sum

February Lunchtime 2021 Division 3

Daanish and Problems, Smallest Possible Whole Number

CodeChef Div 3 Rated Contest 2021 Division 3

Body Mass Index

March Challenge 2021 Division 3

No Time to Wait

March Lunchtime 2021 Division 3

Turn It, Motivation, Make the Sum Even, Lunchtime

March CodeChef Starters 2021 Division 3 (Rated)

Possible Victory

April Challenge 2021 Division 3

Valid Pair, Strong Language, World Record, Chef and Dice

April Cook-Off 2021 Division 3

Passing Marks, Chocolate Monger

April Lunchtime 2021 Division 3

Chef in Heaven , Equinox Strings, Coldplay

May Challenge 2021 Division 3 (Rated)

Golf, Solubility

June Challenge 2021 Division 3 (Rated)

Bitwise Tuples, Summer Heat, Bella ciao

July Challenge 2021 Division 3 (Rated)

XxOoRr, Maximum Production, Relativity

CodeChef Starters 7 Division 3 (Rated)

Chess Format, Food Chain

August Challenge 2021 Division 3 (Rated)

Chef and Bulb Invention, Problem Difficulties, Olympics Ranking

September Challenge 2021 Division 3 (Rated)

Shuffling Parities, Travel Pass, Airline Restrictions

SnackDown 2021 - Online Qualifiers

Lucky Number

October Challenge 2021 Division 3 (Rated)

Longest AND Subarray, MEX-OR, Three Boxes, Which Mixture

November Challenge 2021 Division 3 (Rated)

Which Fuel is Cheaper, Equal Coins, Weird Palindrome Making

November Cook-Off 2021 Division 3

Disabled King, Odds and Evens, Missing Sums

C.O.D.E.R.S Division 3 (Rated)

The One On The Last Night, The One with Russ, The One with All the Candy, The One Where It All Began

December Challenge 2021 Division 2 (Unrated)

Valleys and Hills

CodeChef Starters 28 Division 2 (Rated)

Permutation Xority, Count the Holidays

March Long One 2022, Division 2 (Unrated)

Subarray XOR, Exact Marks, Substring of a Substring, Akash and Function

CodeChef Starters 32 Division 2 (Rated)

Maximize the Minimum, Finding Shoes, Flip Sorting

CodeChef Starters 33 Division 2 (Rated)

Distinct Dilemma, Non Adjacent Flips, Make Them Equal

July Cook-Off 2022 Division 4 (Rated)

Enough Space, High Accuracy, Chef Drinks Tea, K-MEX, Permutation And Median, Xor Permutation

Starters 70 Division 4 (Rated)

Kitchen Timings, Spice Level, Cost of Groceries, Minimum distance between 1s, Prime Reversal, Frequency Array Retrieval

Starters 72 Division 4 (Rated)

Indivisible, Apples and oranges

Starters 86 Division 4 (Rated)

String Game , Cricket Match, Chef and Battery , CodeChef Learn Problem Solving, Maximise Score

August Long 2023 Division 4 (Unrated)

All New CodeChef, Maximum Deliciousness, I Can Use Both Hands!

Total Problems Solved: 96