kwee lung sin

• Username: 6★lungsin
• Country:  Indonesia
• Student/Professional:Student
• Institution:Karangturi School JL. Raden Patah No. 182-192, Semarang, Central Java, 50127, Indonesia
• 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: 20

Current Ratings Graph Old Ratings Graph

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February Lunchtime 2019 Division 1(2019-02-23 22:30:00)

Global Rank:   11

Cheated in:   

Ratings System Update

(2019-02-23 22:30:00)

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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2343 (+205)RatingProvisional
Rating i Provisional Rating, click to know more

February Lunchtime 2019 Division 1(2022-12-20 00:00:00)

Global Rank:   11

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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Practice Paths (0)

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Contests (20)

September Challenge 2016

Chef and Friends, Dividing Machine, Chef and Matrix Division, Chef and digits of a number, Faded Palindromes, The New Restaurant, JosephLand, Chef and calculation

October Challenge 2016

Sereja and Stones, Chef and Keyboard, Big Queries, Fenwick Iterations, Chef and Three Dogs, Chef and Two String, Bear and Shuffled Points

November Challenge 2016

Count Permutations, Friends Meeting, Urban Development, Gift and Chef, Kirito in Memeland, Chef and squares, Task for Alexey

December Challenge 2016

Train Partner, Kth Max Subarray, Chef and Finding Direction, Kirito in labyrinth, Roses for Alexey, Our Base is Under Attack, Bear and Three Colours

October Cook-Off 2016

Sherlock and the Ugly Flower, Watson asks Does Permutation Exist, ChefWatson uses Social Network

September Lunchtime 2016

Chef and Inequality

October Lunchtime 2016

FastFood Combos, The Largest Bouquet

January Challenge 2017

Capital Movement, Cats and Dogs, Sereja and BOX, Chef and Circle, Fantastic Four, Digits Cannot Separate, Reservior, Tourists in Mancunia

February Challenge 2017

Chef and Yoda, Eugene and big number, Primitive Queries, Interval Game, Sereja and Inversions, Rebel rescue, Chef and Triangles, Chef and his Best Friend, Chef and His Apartment Dues, Most Frequent Element, Gerrymander, Alice and her garden

March Challenge 2017

Cooking Schedule, Completing favorite game, Xenny and Alternating Tasks, Pishty and birthday, Bear and Extra Number, Bandwidth of a matrix

April Challenge 2017

Bear and Random Grid, Chef and Divisor Tree, Stable market, Dish Of Life, Bear and Row 01, Bear and Clique Distances, Similar Dishes

May Challenge 2017

Chef and Sub Array , Gotham PD, Chef and his daily routine, Courses in an university, Blocked websites, Median of adjacent maximum numbers, Chef and Subsequences

June Challenge 2017

Persistent oak, Chef and Prime Queries, Saboteur (Challenge), Euler Sum, A Good Set, Cloning, Chef and the Feast, Xenny and Coin Rankings, Triplets, Pairwise union of sets

September Challenge 2017

Sereja and Commands, Chef and Pick Digit, Minimum Good Permutation, Weasel does Xor on Tree, Fill The Matrix, Little Chef and Sums

October Challenge 2017

Chef and Magic Arrays, Chef and a great voluntary Program, Chef and Cycled Cycles, Shooting on the array, Max Mex, Counter Test For CHEFSUM, A Balanced Contest, Lucky Edge

June Lunchtime 2017

Maximum Unique Segment, Two Numbers

Alkhwarizm 2017 (Rated)

Logan and his XOR debacle, Charles and the BRUTAL subsequences, Professor X and Grouping of Numbers

March Challenge 2018 DIV 1

Pishty and Triangles

February Lunchtime 2019 Division 1

Roll the Bar, Families of Chefland, The Tricky Deal, Chef Challenge

Total Problems Solved: 114