zerofive

• Username: 4★zerofive
• Country:  India
• Student/Professional:Other
• CodeChef Pro Plan: No Active Plan. View Details

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

Rating Graph

No. of Contests Participated: 28

Current Ratings Graph Old Ratings Graph

1856 (-41)RatingProvisional
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Starters 86 Division 2 (Rated)(2023-04-19 22:00:02)

Global Rank:   1327

Cheated in:   

Ratings System Update

(2023-04-19 22:00:02)

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1928 (+0)RatingProvisional
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Starters 69 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   524

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?

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Contests (28)

Starters 39 Division 4 (Rated)

Compress the Video, Closest Vowels, Recent contest problems, My very 1st contest!, A or B, Chess Ratings

July Cook-Off 2022 Division 2 (Rated)

Permutation And Median, Xor Permutation, Segmentation Fault

Starters 41 Division 4 (Rated)

Equal Integers, Chef and Brain Speed, Chef and Chocolates, Is this priority or parity!, Path Parity, Determine the Winner

June Cook-Off 2022 Division 4 (Rated)

Rating Improvement, Playlist, Break the Stick, First and Last

Starters 42 Division 4 (Rated)

Minimum or Maximum, Divisible by 3, How Many Maximums, Age Limit, Equal Distribution, Minimum number of Flips

Starters 44 Division 3 (Rated)

Atleast and Atmost, Triple Xor, Dense Bracket Sequence, The Attack of Knight, Jogging

Starters 43 Division 4 (Rated)

The Optimal Pairs, Burgers, DNA Storage, Distinct Palindrome, Joining Date, Waiting Time

June Lunchtime 2022 Division 3 (Rated)

Zero Ones Equal One Zeros, The Lost Array, Too many Floors, Max Shift After XOR, XOR Times 2 Is Sum, Equal by XORing

Starters 45 Division 2 (Rated)

Even Equal Odd, Retrieve the Array, Adjacent Sum Parity

Starters 46 Division 2 (Rated)

Prime Xor, Vowel Anxiety, Array sorting, Sort the String

Starters 47 Division 2 (Rated)

Copy and Push Back, Similar Heights, End Sorted

July Lunchtime 2022 Division 2 (Rated)

Easy Pronunciation, Yet Another Palindrome Making Problem, Consecutive XOR, Maximum Median Matching, Largest Family

Starters 48 Division 2 (Rated)

Fill The Grid, Make Palindrome 2, Positive array, Accurate XOR

Starters 53 Division 2 (Rated)

Make A and B equal

Starters 54 Division 2 (Unrated)

Equal Distinct

Starters 55 Division 2 (Rated)

Non Zero Xor, Ball Sequence, Balls and Boxes, Mean and Median, OR Tuples

Starters 56 Division 2 (Rated)

K-Subarrays, Binary Substitution, Maximize Colours

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

Stick Break, Permutation Creation

Starters 59 Division 2 (Rated)

Maximum Subarray , Suspense String, Confusing Concatenations, Alternative Sufferings

Starters 62 Division 2 (Rated)

Sorted Substrings, Make Multiple, Final Sum

Starters 63 Division 2 (Rated)

One-XOR Deletions, Make Length 1, Minimum Absolute Score

Starters 64 Division 2 (Rated)

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

Starters 65 Division 2 (Rated)

Nahaane Jaa, Candies, Binod

Starters 69 Division 2 (Rated)

Akash and Dinner, Distinct Sequence

Starters 71 Division 2 (Rated)

Pet Store, Flip the Prefix, Maximizing LCS

Starters 80 Division 2 (Rated)

Permutation Subsequence, Prefix Permutation, Equal Elements

Starters 84 Division 2 (Rated)

Max count of 1, Digit Operation, Max Binary, Chef And Adjacent Sums

Starters 86 Division 2 (Rated)

Maximise Score

Starters 83 Division 2 (Rated)

Construct String, Order by XOR

Total Problems Solved: 121