#include <stdio.h>
    printf(“Hello World!”);
The first C program by Brian Kernighan e Dennis Ritchie.

Hello World!

The tradition impose that, learning to code, the first program prints the words Hello World! on the screen.
Here it is, in AlgoBuild 0.6 version.

AlgoBuild is a learning software to study coding and algorithms. If you want to know more go to the section: Info on AlgoBuild.