Codes

C

GCC

Installation

Ubuntu

apt install gcc

AlmaLinux

dnf install gcc

Arch Linux

pacman -S gcc

Examples

Fibonacci Numbers

// Fibonacci Numbers
#include <stdio.h>
#include <stdlib.h>

int fib(int n)
{
    if (n < 2) {
        return n;
    } else {
        return fib(n-1) + fib(n-2);
    }
}

int main(int argc, char *argv[])
{
    int n;
    n = atoi(argv[1]);
    printf("%d", fib(n));
    return 0;
}

/*
Example
    compile:
        gcc -O3 -o fib_c fib_c.c
    run:
        ./fib_c.c 39
*/