Interactive Computer Science Tutoring

Learn programming concepts interactively

C Arrays - The Apartment Building

Master array indexing, memory layout, and bounds safety

Array Construction Site
Build apartment buildings (arrays) for your data

Custom Array Builder

Array Concepts

Array = Apartment building with numbered units
Index = Unit number (starts at 0!)
Elements = Residents in each unit
Bounds = Don't knock on non-existent doors!
Array Operations
Access and modify array elements safely

Quick Operations

Set Element Value

Danger Zone

Apartment Buildings

No arrays built yet

Create your first array above!

Memory Layout
How arrays are stored in memory
Generated C Code
#include <stdio.h>

int main(void) {


    return 0;
}