Using arithmetic assignment operators

/* 0601.c: Using arithmetic assignment operators */
#include <stdio.h>

main()
{
    int x, y, z;

    x = 1; /* initialize x */
    y = 3; /* initialize y */
    z = 10; /* initialize z */
    printf("Given x = %d, y = %d, and z = %d,\n", x, y, z);

    x = x + y;
    printf("x = x + y assigns %d to x;\n", x);

    x = 1; /* reset x */
    x += y;
    printf("x += y assigns %d to x;\n", x);

    x = 1; /* reset x */
    z = z * x + y;
    printf("z = z * x + y assigns %d to z;\n", z);

    z = 10; /* reset z */
    z = z * (x + y);
    printf("z = z * (x + y) assigns %d to z;\n", z);

    z = 10; /* reset z */
    z *= x + y;
    printf("z *= x + y assigns %d to z.\n", z);

    return 0;
}