Jean FACK
- jfack
France- Student
- Pierre-and-Marie-Curie University, Paris
- No Active Plan. View Details
Submissions Heat Map
Learning Paths (0)
Practice Paths (9)
1600 to 1800 difficulty problems
Bit manipulation
Prefix Sum Problems
Two Pointers and Sliding Window Technique
Number theory
Dynamic programming
Binary Search
Greedy Algorithms
Arrays, Strings & Sorting
Contests (49)
February Long 2022 - I, Division 3 (Rated)
Binary Base Basics, Bitwise Blend, N Queens Puzzle Solved !, Chef and the Hair Salon
February Long 2022 - II, Division 3 (Rated)
Avoid Fixed Points, World Chess Championship, Chef and NextGen, Xor Palindrome
March Long One 2022, Division 3 (Rated)
Akash and Function, Subarray XOR, Substring of a Substring, Akash and Missing Class, Exact Marks, Wordle
March Long Two 2022, Division 2 (Unrated)
Missing Numbers, Same Parity Swaps in Binary Strings
CodeChef Starters 34 Division 2 (Rated)
Average Array
Starters 35 Division 2 (Rated)
Dark Light, Admins and Shopping
Starters 36 Division 2 (Rated)
Buying Sweets, Presents for Cheffina
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, Chef and his Apps, Retrieve the Array, Adjacent Sum Parity, Change Row and Column Both
July Lunchtime 2022 Division 3 (Rated)
The Last Levels, Easy Pronunciation, Yet Another Palindrome Making Problem
Starters 48 Division 3 (Rated)
Buy Lamps, Fill The Grid, Make Palindrome 2, Positive array
Starters 49 Division 3 (Rated)
N Buttons 1 Bulb, Split The String, High Frequency, Monks, Valid Minimum
Starters 50 Division 2 (Rated)
Permutation GCD, Average Permutation
Starters 51 Division 3 (Rated)
Adjacent Xors, Split N, Copy and Paste, Different Medians, TV Discount, Dominant Element
Starters 52 Division 2 (Unrated)
Minimum Sum, WA Test Cases
August Lunchtime 2022 Division 2 (Rated)
Easy Permutation, Array Equality
Starters 53 Division 2 (Rated)
Make A and B equal
Starters 54 Division 3 (Rated)
Equal Distinct, Ticket Fine, Team of Two
Starters 55 Division 3 (Rated)
Balls and Boxes, Permutation Clear, Mean and Median, Broken Phone, OR Tuples
September Lunchtime 2022 Division 2 (Rated) (Based on EJOI)
Stick Break, Permutation Creation
Starters 57 Division 2 (Unrated)
Maximum Expression, Even Splits, Two Different Palindromes
Starters 62 Division 2 (Rated)
Sorted Substrings, Make Multiple, Final Sum
Starters 65 Division 2 (Rated)
Nahaane Jaa, Candies, Binod
Starters 66 Division 2 (Rated)
Good Binary Strings, Just Like Mob!
Starters 67 Division 2 (Rated)
Maximum Angriness, Expensive Steps , Counting Problem
Starters 68 Division 3 (Rated)
Boring String, Expense List, Make AP, Make Money
Starters 69 Division 3 (Rated)
Akash and Dinner, Convert to permutation, Distinct Sequence
Starters 70 Division 3 (Rated)
Cost of Groceries, Minimum distance between 1s
Starters 71 Division 3 (Rated)
Pet Store, Snapchat, Perfect Trio
Starters 72 Division 3 (Rated)
Indivisible, Apples and oranges, N Triplets, No sequence
Starters 81 Division 3 (Unrated)
Distinct Matrix, Divide Pages, Maximum Capacity
Starters 82 Division 3 (Rated)
Make A-B Same, Reach Home, MIN To MAX
Starters 83 Division 3 (Rated)
Chef Eren, Construct String, Order by XOR
Starters 92 Division 3 (Rated)
Rectangular Tiling, Dotify Playlist, Water Filling
Starters 93 Division 3 (Rated)
Break Free, 7 Rings, Problem
Starters 100 Division 3 (Rated)
Stamps 100, Trade Surplus, Chocolate Distribution
Starters 103 Division 2 (Rated)
Divisible By 8, Dice Number
Starters 104 Division 2 (Rated)
Maximise Sum, GCD and LCM
Starters 105 Division 3 (Rated)
Dracula Eats, Take it Easy, Dull Operation
Starters 106 Division 2 (Rated)
Playing with OR
Starters 107 Division 3 (Rated)
Rock Paper Scissor, Pending Assignments, OR Permutation
Starters 108 Division 3 (Rated)
Clan Expansion, Palindromic Prime Numbers, Chess Pairing
SQL Contest (Unrated)
First Problem on SQL, Number of Distinct Institutes, Div 2 Ranklist, Total Time, Maximum Sum Subarray - SQL
Starters 110 Divison 3 (Rated)
Water Park, Airlines, Am I Lucky!
Starters 111 Divison 3 (Rated)
Prefixing, Beautiful Strings, Reach Codetown, Exams
Starters 112 Division 3 (Rated)
Fair Share Settlement, 3 Logicians Walk into a Bar, Max Nutrition
Starters 113 Division 3 (Rated)
Maximum Score , Sum Neq , Make N Zero
Starters 114 Division 3 (Rated)
Rock-Paper-Scissors, Painting Walls, Christmas Candy
Starters 115 Division 3 (Rated)
Greedy LIS Algorithm, A PLUS B Remastered, Decorating Christmas Tree, Chocolate Distribution
Starters 116 Division 3 (Rated)
Hattrick, ORST , Access Control
Starters 117 Division 3 (Rated)
Not Prime Permutation, Weapon Choice, Spell Shortening
Starters 118 Division 3 (Rated)
Subset GCD, Literacy Rate, Join States, Xorry 2, Xorry 1
Starters 124 Division 2 (Rated)
Binary Parity, Table Strength, Swap and Unite, Make It One