🧠 TLX TOKI — Competitive Programming Solutions

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📖 Overview

This repository contains my accepted solutions to problems from TLX TOKI — the official online judge platform maintained by TOKI (Tim Olimpiade Komputer Indonesia), Indonesia's national competitive programming organization.

All solutions are written in C++ and cover a range of algorithmic topics including conditionals, loops, recursion, arrays, mathematics, and pattern generation. Some solutions target national-level competition problems (KSN).

📌 View my full submission history: tlx.toki.id/profiles/hasban

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🗂️ Problem List

🔢 Basic I/O & Arithmetic

File	Topic
A Tambah B.cpp	Basic addition (A + B problem)
Faktorial.cpp	Factorial computation
Kuadrat Sempurna.cpp	Perfect square check
Nilai Kalimat Matematika.cpp	Mathematical expression evaluation
Menghitung Bola.cpp	Ball counting logic
Angka Tahun Baru.cpp	New Year digit problem

🔀 Conditionals (If-Else)

File	Topic
B. If Then.cpp	Basic if-then
C. If Then Multi.cpp	Multi-branch if-then
D. If Then Else.cpp	If-then-else
percabangan_E.cpp	Branching — problem E

🔁 Loops

File	Topic
A. Break Continue Exit.cpp	Loop control: break, continue, exit
B. For.cpp	For loop basics
C. While.cpp	While loop basics
D. While+Pencacahan.cpp	While loop with enumeration

🔣 Pattern Generation

File	Topic
H. Pola I.cpp	Pattern I
B. Pola II.cpp	Pattern II
C. Pola III.cpp	Pattern III

➗ Mathematics & Number Theory

File	Topic
B. Cek Bilangan Prima.cpp	Prime number check
E. Dua Pangkat.cpp	Powers of two
E. Luas Segitiga.cpp	Triangle area
F. Faktor Bilangan.cpp	Factor enumeration
F. Floor dan Ceiling.cpp	Floor and ceiling operations
G. Jarak Manhattan.cpp	Manhattan distance
G. Statistika Sederhana.cpp	Basic statistics (mean, median, mode)
C. Mencari Modus.cpp	Mode finding
F. Transpos Matriks.cpp	Matrix transposition

🔄 Recursion

File	Topic
Rekrusif A.cpp	Recursion basics — problem A

📦 Arrays

File	Topic
array_course_prob_B.cpp	Array course — problem B

📖 Story Problems (Pak Dengklek Series)

File	Topic
Pak Dengklek mau ujian.cpp	Exam scoring problem
Pak Dengklek Seorang Deadliner.cpp	Deadline scheduling
Pak Dengklek dan Deret yang Indah.cpp	Beautiful sequence
Pak Dengklek dan Operasi Sederhana.cpp	Simple operations

🎯 Other Problems

File	Topic
A. Presiden Berlari.cpp	Running president problem
B. Ilmu Mengemudi.cpp	Driving knowledge
C. Burung Beo.cpp	Parrot problem
D. Bebek untuk Teman.cpp	Ducks for friends
Baju Konser Blank-on.cpp	Concert shirt distribution
Pasar Rakyat.cpp	People's market
Penukaran Emas.cpp	Gold exchange
Ganesh dan Kereta Api.cpp	Ganesh and the train
Ngoding Seru bersama Master Blangkon.cpp	Fun coding problem

🏆 National Competition (KSN 2021)

File	Competition	Problem
ksn2021_1A.cpp	KSN 2021	Day 1 — Problem A
ksn_2021_1c.cpp	KSN 2021	Day 1 — Problem C

KSN = Kompetisi Sains Nasional (National Science Competition) — Indonesia's highest-level national olympiad.

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🧩 Topics Covered

Category	Topics
Control Flow	Conditionals, loops (for, while), break/continue
Mathematics	Prime numbers, factorials, powers, floor/ceiling, statistics
Arrays & Matrices	1D arrays, matrix transposition
Recursion	Basic recursive functions
Geometry	Manhattan distance, triangle area
Ad Hoc / Logic	Story-based problems, pattern generation
Competition	KSN (National Science Olympiad) problems

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🚀 Getting Started

Prerequisites

• A C++ compiler: g++ (GCC) or compatible
• Minimum standard: C++14

Compile & Run

# Compile
g++ -o solution "A Tambah B.cpp" -std=c++17

# Run
./solution

# With input from file
./solution < input.txt

Recommended Online Compilers

If you don't have a local setup:

• Replit — online C++ IDE
• Ideone — quick compile and run
• TLX — submit directly to the judge

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📂 Repository Structure

tlx.toki-problem/                     # Branch: c++
│
├── # Basic I/O & Arithmetic
├── A Tambah B.cpp
├── Faktorial.cpp
├── Kuadrat Sempurna.cpp
│
├── # Conditionals
├── B. If Then.cpp
├── C. If Then Multi.cpp
├── D. If Then Else.cpp
│
├── # Loops
├── B. For.cpp
├── C. While.cpp
├── D. While+Pencacahan.cpp
│
├── # Mathematics
├── B. Cek Bilangan Prima.cpp
├── F. Faktor Bilangan.cpp
├── G. Statistika Sederhana.cpp
├── F. Transpos Matriks.cpp
│
├── # Patterns
├── H. Pola I.cpp
├── B. Pola II.cpp
├── C. Pola III.cpp
│
├── # Recursion & Arrays
├── Rekrusif A.cpp
├── array_course_prob_B.cpp
│
├── # KSN National Competition
├── ksn2021_1A.cpp
├── ksn_2021_1c.cpp
│
└── README.md

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🌐 About TLX TOKI

TLX (TOKI Learning eXperience) is the official competitive programming platform of TOKI — Indonesia's national team preparation organization for:

• OSN (Olimpiade Sains Nasional) — Provincial level
• KSN (Kompetisi Sains Nasional) — National level
• IOI (International Olympiad in Informatics) — International level

TLX provides structured courses, problem sets, and a full submission judge used by thousands of Indonesian students.

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👤 Author

Hasban Fardani

• 🐙 GitHub: @Hasban-Fardani
• 🏅 TLX Profile: tlx.toki.id/profiles/hasban

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_{All solutions are accepted on TLX TOKI · Written in C++}