saiful

• Username: 1★last_hadaf
• Country:  Bangladesh
• Student/Professional:Other
• 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: 23

Current Ratings Graph Old Ratings Graph

1232 (+56)RatingProvisional
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Starters 79 Division 4 (Rated)(2023-03-01 23:00:06)

Global Rank:   3256

Cheated in:   

Ratings System Update

(2023-03-01 23:00:06)

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1138 (-5)RatingProvisional
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Starters 61 Division 4 (Rated)(2022-12-20 00:00:00)

Global Rank:   142

Cheated in:   

Ratings System Update

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

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Contests (23)

April Challenge 2020 Division 2

COVID Pandemic and Long Queue

July Challenge 2020 Division 2

Chef and Strings

August Challenge 2020 Division 2

Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess

July Lunchtime 2020 Division 2

Chef and Steps

October Challenge 2020 Division 2

Positive AND, Covid Run, Chef and Easy Queries

December Challenge 2020 Division 2

Even Pair Sum

December Cook-Off 2020 Division 2

Minimum Attendance Requirement

December Lunchtime 2020 Division 2 (Unrated)

Sed Sequences

Byterace IIT Patna Division 2 (Rated)

The Begining Era Of Cyberverse

January Challenge 2021 Division 3

Fair Elections, Chef and Division 3, Encoded String

January Cook-Off 2021 Division 3

Distinct Pair Sums

January Lunchtime 2021 Division 3 (Unrated)

Pair Me, Even Sum, Even Differences, Ashishgup and Interviews

February Challenge 2021 Division 3

Highest Divisor

March Challenge 2021 Division 3

Chef and Groups, No Time to Wait

Starters 51 Division 4 (Rated)

Final Population, TV Discount, Dominant Element

August Long 2022 Division 4 (Rated)

Sale Season, Hello Equation, Two Trains, Maximum Submissions, Make A and B equal

Starters 55 Division 4 (Rated)

Fever, Broken Phone

September Long 2022 Division 4 (Rated)

Interesting Subarray, Good Pairs, Bob at the Bank, Speed Limit Test, Chef and Wire Frames

Starters 58 Division 4 (Rated)

Break the elements, Ranklist Pages, Reach the Target, Remove Bad elements

Starters 59 Division 4 (Rated)

Chef and Happy String , Speciality

October Long 2022 Division 4 (Rated)

Podium Finish, Minimum Pizzas, Binary Substituition, Building Race, Single Operation Part 1, Single Operation Part 2

Starters 60 Division 4 (Rated)

Card Removal, Palindrome Flipping, Paper Cutting, Tax in Chefland, Expert Setter

Starters 61 Division 4 (Rated)

Minimise LCS, Different Consecutive Characters , Weird Subarrays, Red Blue Flowers, Subarray Removal, Reach on Time, Odd Sum Pair

Starters 78 Division 4 (Rated)

Passing Marks, Candy Store, Good Turn

Starters 79 Division 4 (Rated)

Add smallest prime factor, Distinct Opposite Sums, Better Deal, Ageing

Total Problems Solved: 77