Ahmad Haulian Yoga Pratama

January Challenge 2018: 

K-Concatenation, Killing Monsters, Partition the numbers, String Merging, Maximum Score, Rectangle

April Cook-off 2018 Division 2: 

Run Direction, Cut the Board, Binary Nim, Chef Goro

April Lunchtime 2018 Division 1: 

The hardest gcd problem, Triple-tree decomposition, Fast forward travelling

April Challenge 2018 Division 2: 

Cutting Plants, Weight of Numbers, Highway Crossing, Count Good Prefixes, Average of Pairs, Workers

June Challenge 2018 Division 2: 

Naive Chef, Binary Shuffle, Ways to Work, Vision, Two Flowers, Sheokand and String

June Lunchtime 2018 Division 1: 

Sort the Leaves, Permutation Composition Queries, Summary Power

Insomnia 2018 (Rated): 

Split Sums

Replay of Indian IOI Training Camp (IOITC) #1 (Rated): 

Circular Intervals, K Perfect Matchings

Replay of Indian IOITC 2018 #2 (Rated): 

Changing Numbers

January Challenge 2020 Division 1: 

Chef and Dynamo, Doraemon, Chefina and Prefix Suffix Sums, English

February Challenge 2020 Division 1: 

Long Contest and Cook Off Overlaps, (Challenge) Raisins, No Change Required, Chef and Railway Stations, Expected Change

February Cook-Off 2020 Division 1: 

Must Be Divisible, Maximum Subsequence Sum, XOR Game, Sweetest Candy , Chef and Pepperoni Pizza Again

February Lunchtime 2020 Division 1: 

Secret Mission, Monsters Battle, Swapping to Palindrome, Painter Problem

ENIGMA - PLINTH'20 LNMIIT (Rated for all): 

Banana String, Corruption in Freedonia, Gru is Handing Out Bananas, Gru and his Robbery of Mars, Minion AND Range, Is it Sorted or Not, That is the Question, Recruit Villagers

UWCOI 2020 (Rated for all): 

Base Plans, Escape, Mercury Poisoning, Peak Finding, Button Pairs, Blocks

September Challenge 2020 Division 1: 

Chefina and Swap, Chef and Trump Cards, Find XOR, Move the Coins - Creating Tests, Ada Matrix

August Lunchtime 2020 Division 1: 

Game on a Strip, Alien Invasion , Counting Graphs

September Lunchtime 2020 Division 1: 

Root the Tree, Robot Detector

May Lunchtime 2021 Division 1: 

Tokens On A Tree, Interactive MST, Total Components, K-Subarrays

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