#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <assert.h>

int main(int argc, char* argv[]) {
    // int n = 111;   // The RHS (right-hand side) is an integer literal in base 10.
                   // The variable `n` is just a quantity.  It has no number base.
    
    // int n = 0x60 + 0x0f;  // Hexadecimal:  digits are 0 to f.
    // int n = 0x60 + 15;  // 0x60 is hexadecimal   15 is decimal
    int n = 0x60 + 017;  // 0x60 is hexadecimal    017 is octal

    printf("n is %d (written in base 10)\n", n);  // d in %d stands for decimal
    printf("n is %o (written in base  8)\n", n);  // o in %o stands for octal
    printf("n is %x (written in base 16)\n", n);  // x in %x stands for heXadecimal

    // TAKEAWAY:  A quantity does not have a number base.
    // Number base is only relevant when a number is written in digits.
    // ∙ In our code, we can write integer literals using a number base 8, 10, or 16.
    // ∙ printf(…) can express a quantity in base 8, 10, or 16.
    // ∙ You can write code to express a quantity in any number base you like.
    //   ∙ See HW02.

    return EXIT_SUCCESS;
}
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