list0406.c

来自「c21Examples.rar」· C语言 代码 · 共 24 行

#include <stdio.h>

/* Initialize variables. Note that c is not less than d, */
/* which is one of the conditions to test for. */
/* Therefore, the entire expression should evaluate as false.*/

int a = 5, b = 6, c = 5, d = 1;
int x;

int main( void )
{
    /* Evaluate the expression without parentheses */

    x = a < b || a < c && c < d;
    printf("\nWithout parentheses the expression evaluates as %d", x);

    /* Evaluate the expression with parentheses */

    x = (a < b || a < c) && c < d;
    printf("\nWith parentheses the expression evaluates as %d\n", x);
    return 0;
}