Every submission compiles and runs in an isolated, network-disabled Docker sandbox — the same way a real judge works.
0/63 solved
Sum of Two Numbers
Grade 10 · 10.1.1, 10.1.6
Even or Odd
Grade 10 · 10.1.1, 10.1.6
Sum 1 to N
Grade 10 · 10.1.1, 10.1.6
Largest of Three
Grade 10 · 10.1.1
Multiplication Table
Grade 10 · 10.1.6
Count Vowels
Grade 10 · 10.1.6
Temperature Converter
Grade 10 · 10.1.1, 10.1.6
Leap Year Check
Grade 10 · 10.1.1
Countdown
Grade 10 · 10.1.6
Simple Calculator
Grade 10 · 10.1.3, 10.1.6
Find the Maximum
Grade 11 · 11.1.1
Bubble Sort
Grade 11 · 11.1.3
Reverse a String
Grade 11 · 11.1.1
Learner Average (OOP)
Grade 11 · 11.1.1, 11.1.2
Count a Character
Grade 11 · 11.1.1
Linear Search
Grade 11 · 11.1.3
Array Sum
Grade 11 · 11.1.1
Two Sum
Grade 11 · 11.1.3
Second Largest
Grade 11 · 11.1.3
Selection Sort (Descending)
Grade 11 · 11.1.3
Count Words in a Sentence
Grade 11 · 11.1.1
Vehicle Inheritance
Grade 12 · 12.1.3
Top Learner (Array of Records)
Grade 12 · 12.1.3, 12.1.4
Binary Search
Grade 12 · 12.1.3
Remove Duplicates
Grade 12 · 12.1.3
Palindrome Check
Grade 12 · 12.1.1
Shape Area (Polymorphism)
Grade 12 · 12.1.3
Factorial (Recursion)
Grade 12 · 12.1.4
Fibonacci (Recursion)
Grade 12 · 12.1.4
Safe Division (Exception Handling)
Grade 12 · 12.1.1
Stack Simulation
Grade 12 · 12.1.4
Class Averages (2D Array)
Grade 12 · 12.1.3
Format an Edit Box (Form Designer)
Grade 12 · 12.1.2
Area of a Nut (Form Designer)
Grade 12 · 12.1.4
Word Occurrence Counter (Form Designer)
Grade 12 · 12.1.5
Random Number Classifier (Form Designer)
Grade 12 · 12.1.4
Booster Rocket Fuel (Form Designer)
Grade 12 · 12.1.4
Random Number in a Range (Form Designer)
Grade 12 · 12.1.4
Round Up to a Whole Number (Form Designer)
Grade 12 · 12.1.4
Cone Surface Area (Form Designer)
Grade 12 · 12.1.4
Houses File Reader (Form Designer)
Grade 12 · 12.1.5
Excursion Fee Tracker (Form Designer)
Grade 12 · 12.1.2
Password Generator (Form Designer)
Grade 12 · 12.1.5
Random Day Selector (Form Designer)
Grade 12 · 12.1.4
Employee Bonus Calculator (Form Designer)
Grade 12 · 12.1.4
Title Case Words (Form Designer)
Grade 12 · 12.1.5
Hockey Teams (Form Designer)
Grade 12 · 12.1.4
Average Mark from a File (Form Designer)
Grade 12 · 12.1.5
Marathon Results (Form Designer)
Grade 12 · 12.1.1
Learner Averages (2D Array, Form Designer)
Grade 12 · 12.1.3
Branch Sales Totals (2D Array, Form Designer)
Grade 12 · 12.1.3
Top Student Finder (ADO Table, Form Designer)
Grade 12 · 12.1.3
Class Pass Rate (ADO Table, Form Designer)
Grade 12 · 12.1.3
Temperature Converter (Form Designer)
Grade 10 · 10.1.1, 10.1.6
Leap Year Checker (Form Designer)
Grade 10 · 10.1.1
Simple Calculator (Form Designer)
Grade 10 · 10.1.3, 10.1.6
Even/Odd Counter (Form Designer)
Grade 10 · 10.1.6
BMI Calculator (Form Designer)
Grade 10 · 10.1.3, 10.1.6
Class Average (Form Designer)
Grade 11 · 11.1.1
Largest Number (Form Designer)
Grade 11 · 11.1.3
Vowel Counter (Form Designer)
Grade 11 · 11.1.1
Password Strength Checker (Form Designer)
Grade 11 · 11.1.1
Palindrome Checker (Form Designer)
Grade 11 · 11.1.1