Charles Mathew
- 3★charles95
India
- Professional
- Citi
- No Active Plan. View Details
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Ratings System Update
(2023-01-18 23:00:02)Ratings System Update
(2022-12-20 00:00:00)Learning Paths (5)
Practice Paths (5)
Arrays, Strings & Sorting
500 to 1000 difficulty problems
500 difficulty rating
Completed
Practice Java
Practice for ZCO and INOI
Contests (20)
April Challenge 2020 Division 2
Strange Number, Sell All the Cars, COVID Pandemic and Long Queue
May Challenge 2020 Division 2
Coronavirus Spread, Isolation Centers
April Cook-Off 2020 Division 2
Matrix Decomposition, Lift Requests
May Cook-Off 2020 Division 2
Chef and Recipe
April Lunchtime 2020 Division 2
Another Birthday Present!, Chef in Fantasy League
May Lunchtime 2020 Division 2
Weird Walk, Lost Weekends
June Challenge 2020 Division 2
Even Matrix, The Tom and Jerry Game!, Chef and Icecream, Chef and String, Chef and Price Control
July Challenge 2020 Division 2
Ada King, Chefina and Swaps, Missing a Point, Doctor Chef, Chef and Card Game, Chef and Strings
July Cook-Off 2020 Division 2
Even-tual Reduction, OR-thodox Distinction
July Lunchtime 2020 Division 2
Chef and Steps, Maximum Candies
June Cook-Off 2020 Division 2
Cache Hits, Max Mex
SnackDown 2021 - Online Qualifiers
Lucky Number, Maximum Number Of Distinct Elements
CodeChef Starters 13 Division 2 (Rated)
Chef in Vaccination Queue, Maximum Light Up, Magical Doors
CodeChef Starters 16 Division 2 (Unrated)
Professor And Directions, Chef and Magical Steps
October Cook-Off 2021 Division 2
Odd Sum, 01 Subsequence
October Lunchtime 2021 Division 2
Chef and Water Car, Exactly N plus 1 Values
SnackDown 2021 - Online Round 1A
Round Robin Ranks , Dance Moves, Min Max LCM
November Challenge 2021 Division 2 (Unrated)
Weird Palindrome Making, Equal Coins, Which Fuel is Cheaper
Code: Nium Challenge
Alphabet Difference, Divide Students Into Classes, Queries in an Array
November Cook-Off 2021 Division 2
Product Pain, Missing Sums, Make it Divisible
CodeChef Starters 17 Division 2 (Rated)
Binary Inversion, GCD of Prefixes, String Game, New Piece
CodeChef Starters 18 Division 2 (Unrated)
Compare those strings, Back to Campus, Make them equal
December Challenge 2021 Division 2 (Unrated)
Utkarsh and Placement tests
January Long 2022 - I, Division 2 (Unrated)
Keplers Law, Covid Spread
January Long 2022 - II, Division 2 (Unrated)
Chef and Fixed Deposits
CodeChef Starters 23 Division 2 (Unrated)
Average of Three, Chef and Profits, Subarray Mex
February Long 2022 - I, Division 2 (Unrated)
Binary Base Basics, N Queens Puzzle Solved !, Chef and the Hair Salon
February Long 2022 - II, Division 2 (Unrated)
Avoid Fixed Points, World Chess Championship, Chef and NextGen, Xor Palindrome
March Long One 2022, Division 2 (Unrated)
Akash and Function, Akash and Missing Class, Discus Throw, Bath in Winters, Wordle
March Long Two 2022, Division 2 (Unrated)
Chef and Races, Increase IQ, The Three Topics, The Rating Dilemma
April Long Two 2022 Division 2 (Unrated)
Sasta Shark Tank, Six Friends, Best Coupon
May Long One 2022 Division 2 (Unrated)
Football Cup
May Long Two 2022 Division 2 (Unrated)
Practice makes us perfect, Xor Palindrome, Score High, Total Prize Money, Make them Zero, Degree of Polynomial
June Long Two 2022 Division 2 (Unrated)
Count the ACs, Make all equal using Pairs, Complementary Strand in a DNA, Fitness
July Long Two 2022 Division 2 (Unrated)
Chef in his Office, Insurance
August Long 2022 Division 2 (Unrated)
Sale Season, Maximum Submissions
September Long 2022 Division 2 (Unrated)
Bob at the Bank, Chef and Wire Frames
October Long 2022 Division 2 (Unrated)
Podium Finish, Minimum Pizzas
November Long 2022 Division 2 (Unrated)
Time Complexity, Water Mixing
December Long 2022 Division 2 (Unrated)
Good Investment or Not, Reach fast
Starters 72 Division 2 (Rated)
N Triplets, No sequence
Starters 74 Division 2 (Rated)
Lcm hates Gcd, Minimal Inversions, Odd Even Binary String
January Long 2023 Division 2 (Unrated)
Far from origin, Negative Product