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Practice Compete Compiler
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Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

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Programming and DSA

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Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

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Practice Compete Compiler
Home » Jeffrey Zhang
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Jeffrey Zhang

  • 5★cleanser
  •   United States
  • Student
  • Rutgers University
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 40
2105 (+23)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 134 Division 1 (Rated till 6-Stars)(2024-05-15 22:00:00)
Global Rank:   68
Cheated in:   

Ratings System Update

(2024-05-15 22:00:00)
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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2025 (+1)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 69 Division 1 (Rated till 6-stars)(2022-12-20 00:00:00)
Global Rank:   94
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)

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None

Contests (40)

July Cook-Off 2022 Division 3 (Rated)

Permutation And Median, K-MEX, Xor Permutation, High Accuracy

June Cook-Off 2022 Division 4 (Rated)

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

June Long One 2022 Division 4 (Rated)

Reduce to zero, Chairs Requirement, Subscriptions, Divisible by i , Alternate Additions, Equal Strings

June Lunchtime 2022 Division 4 (Rated)

Zero Ones Equal One Zeros, The Lost Array, It is My Serve, Too many Floors, Determine the Score, Equal by XORing

June Long Two 2022 Division 3 (Rated)

Count the ACs, Make all equal using Pairs, AP Grid, Complementary Strand in a DNA, Reversal Sorting, Strong Elements

Starters 45 Division 3 (Rated)

Even Equal Odd, Xor and Multiply, Chef and his Apps, Retrieve the Array, Adjacent Sum Parity, Change Row and Column Both

July Long One 2022 Division 2 (Unrated)

Journey of the Knight, Game of Piles Version 1, Slow Solution

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, Maximum Median Matching, Largest Family

Starters 48 Division 2 (Rated)

Fill The Grid, Make Palindrome 2, Positive array

July Long Two 2022 Division 2 (Unrated)

Maximize Difference, Concat Sort, To Divide or Not To Divide, Sum of Product 1

Starters 49 Division 2 (Rated)

Split The String, High Frequency, Monks, Valid Minimum

Starters 50 Division 2 (Rated)

Air Blimp, Permutation GCD, Sum Product Segments, Average Permutation

Starters 51 Division 2 (Rated)

Adjacent Xors, Split N, Copy and Paste, Different Medians

August Lunchtime 2022 Division 2 (Rated)

Easy Permutation, Array Equality, Tree Coloring, Subtract 12 Operation

Starters 53 Division 2 (Rated)

Black&White Ring Game, Make A and B equal, Queen Blocks

Starters 64 Division 2 (Rated)

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

Starters 65 Division 1 (Rated for 5 & 6 stars)

Nahaane Jaa, Binod, Gormint Aunty

Starters 66 Division 1 (Rated till 5-stars)

Good Binary Strings, Palindrome by Splitting, Palindrome In Making

Starters 67 Division 2 (Rated)

Maximum Angriness, Expensive Steps , Counting Problem

Starters 68 Division 2 (Rated)

Boring String, XOR Product, Expense List, Interesting Array, Make Money

Starters 69 Division 1 (Rated till 6-stars)

Distinct Sequence, Longest Subarray

Starters 70 Division 1 (Rated till 6-stars)

Prime Reversal, Frequency Array Retrieval

Starters 71 Division 2 (Rated)

Pet Store, Flip the Prefix, Expected Sum, Maximizing LCS

Starters 72 Division 1 (Rated till 5-Stars)

N Triplets

Starters 73 Division 2 (Rated)

Consecutive Xor, Append for OR

Starters 74 Division 2 (Rated)

Lcm hates Gcd, Minimal Inversions, Odd Even Binary String

Starters 79 Division 2 (Rated)

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

Starters 80 Division 2 (Rated)

Permutation Subsequence, c8kbf and Tree, Prefix Permutation, Equal Elements

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)

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

Starters 85 Division 1 (Rated till 6 stars)

Crazy Bishops on Chessboard, Efficient PAN Linking, GCD Queries, TripTastic

Starters 86 Division 1 (Rated for All)

Minimum Operation, String Game , Largest Y

Starters 87 Division 1 (Rated till 6 Stars)

Inversions of subsequences, AB plus C

Starters 83 Division 2 (Rated)

Construct String, Order by XOR

Starters 88 Division 1 (Rated till 6 Stars)

Maximum And Or, Chef and Asteroids

Starters 90 Division 1 (Rated till 6 Stars)

Crushed Apples and a Balance Scale, Sum of Goodness, Printing Binary Array, Anti Palindrome

Starters 91 Division 1 (Rated till 6 Stars)

XOR & Sum, Odd GCD Permutation, Chef Odd, Maximum Sum Permutation

Starters 92 Division 1 (Rated till 6 Stars)

Rectangular Tiling, Dividing into Groups, Beautification of array, Distance Coloring

Starters 133 Division 1 (Rated till 6-Star)

ABC Conjecture 3, Powered Parameters, Too Far For Comfort (Easy Version)

Starters 134 Division 1 (Rated till 6-Stars)

Origin, Prison Escape, 3out1in

Total Problems Solved: 158

2105
(Div 1)
★★★★★
CodeChef Rating (Highest Rating 2105)
  • Inactive Global Rank
  • Inactive Country Rank
0?i Provisional Rating, click to know more
DSA Rating (Highest Rating 0)
  • Inactive Global Rank
  • Inactive Country Rank

Badges

Contest Contender - Silver Badge

Contest Contender - Silver Badge

Received for participating in 25 Contests

Problem Solver - Bronze Badge

Problem Solver - Bronze Badge

Received for solving 50 Problems

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