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

int main(int argc, char* argv[]) {
    int n = 65;
    printf("n == %d\n", n);

    n = 0x41;  // sixty-five expressed in base 16
               // (hexadecimal).  (16 x 4) + (1 x 1) = 65
    printf("n == %d\n", n);

    n = 0101;  // sixty-five expressed in base 8 (octal).
               // (64 x 1) + (8 x 0) + (1 x 1) = 65
    printf("n == %d\n", n);

    n = 'A';  // character constant with ASCII value 65
    printf("n == %d\n", n);

    printf("\n");
    printf("n * 2 == %d\n", n * 2);
    printf("'A' * 2 == %d\n", 'A' * 2);
    printf("'A' + 'C' == %d\n", 'A' + 'C');

    return EXIT_SUCCESS;
}
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