Sachin Tiwari

• Username: 3★sachintiwari45
• Country:  India
• Student/Professional:Student
• Institution:Harcourt Butler Technical University, Kanpur
• 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: 38

Current Ratings Graph Old Ratings Graph

1775 (-14)RatingProvisional
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Starters 99 Division 2 (Rated)(2023-07-19 22:15:02)

Global Rank:   1127

Cheated in:   

Ratings System Update

(2023-07-19 22:15:02)

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1668 (+0)RatingProvisional
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Starters 67 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   722

Cheated in:   

Ratings System Update

(2022-12-20 00:00:00)

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Contests (38)

May Cook-Off 2021 Division 3

Marathon, Vaccine Drive

May Lunchtime 2021 Division 3

Birthday Gifts, Hoop Jump, Tom And Jerry 1

May CodeChef Starters 2021 Division 3 (Rated)

Lazy Chef

May Challenge 2021 Division 3 (Rated)

Xor Equality, Golf, Solubility

June Challenge 2021 Division 3 (Rated)

Shortest Route, Bitwise Tuples, Bella ciao, Summer Heat

August Challenge 2021 Division 3 (Rated)

Special Triplets, Chef and Bulb Invention, Problem Difficulties, Olympics Ranking

September Challenge 2021 Division 3 (Rated)

Shuffling Parities, Airline Restrictions, Travel Pass

September Lunchtime 2021 Division 3

Two Dishes, Balanced and Unique Arrays, Vaccine Dates , Yet another SOD problem

August Lunchtime 2022 Division 2 (Rated)

Easy Permutation, Array Equality

Starters 53 Division 3 (Rated)

Black&White Ring Game, Car Trip, Odd Pairs, Make A and B equal, Queen Blocks, Weights

Starters 55 Division 2 (Rated)

Balls and Boxes, Mean and Median

Starters 56 Division 2 (Rated)

Maximize Colours

September Lunchtime 2022 Division 2 (Rated) (Based on EJOI)

Stick Break, Permutation Creation

Starters 57 Division 3 (Rated)

Maximum Expression, Even Splits, Non-Negative Product, Two Different Palindromes

Starters 58 Division 2 (Unrated)

Break the elements

Starters 59 Division 2 (Rated)

Maximum Subarray , Suspense String, Confusing Concatenations

Starters 62 Division 2 (Rated)

Sorted Substrings, Make Multiple, Final Sum

Starters 64 Division 2 (Rated)

Luigi and Uniformity, Range Assign, Number of Distinct Elements Minimize, Distinct Neighbours

Starters 65 Division 2 (Rated)

Nahaane Jaa, Candies, Binod

Starters 66 Division 2 (Rated)

Good Binary Strings, Palindrome by Splitting, Just Like Mob!

Starters 67 Division 2 (Rated)

Maximum Angriness, Expensive Steps , Counting Problem

Starters 75 Division 2 (Rated)

Prefix Ones, Three Powers of Two

Starters 76 Division 2 (Rated)

Make Array Odd, Zero String, Construct Array, Not Divisible

February Cook-Off 2023 Division 2 (Rated)

Take Not Less, Permutation and Modulus

Starters 77 Division 2 (Rated)

Concat Palindrome, Three Numbers

Starters 79 Division 2 (Rated)

One Stone or Two Stones, Add smallest prime factor, Distinct Opposite Sums

Starters 81 Division 2 (Unrated)

Divide Pages

Starters 82 Division 2 (Rated)

Find eX, Make A-B Same, Difference Matrix, MIN To MAX

Starters 84 Division 2 (Rated)

Max count of 1, Digit Operation, Max Binary

Starters 85 Division 2 (Rated)

Crazy Bishops on Chessboard, Efficient PAN Linking, Inside The Stadium

Starters 86 Division 2 (Rated)

String Game , Maximise Score

Starters 87 Division 2 (Rated)

Inversions of subsequences, Existence, AB plus C

Starters 83 Division 2 (Rated)

Construct String, Order by XOR

Starters 88 Division 2 (Rated)

Chef and Asteroids, Unstable Subarray

Starters 89 Division 2 (Rated)

Plus 2 or Minus 1, Positive or Negative Subarrays

Starters 95 Division 2 (Rated)

Boxes, Transfusion Chain, EVacuate to Moon

Starters 96 Division 2 (Rated)

Swap the numbers, Mex Array, Remove Multiples

Starters 97 Division 2 (Rated)

Schrodinger Smiley, Triplets Min

Starters 98 Division 2 (Rated)

3-Blast Palindrome, Airport Management, Ball Distribution

Starters 99 Division 2 (Rated)

Card Swipe, Exclusion-Inclusion

Total Problems Solved: 184