1/*
2 *测试负数除法和取模运算
3 */
4#include
<stdio.h>5
6 int main( void )
7 {
8 printf ("-5
/ 2 = %d\t", -5/2);9 printf ("-5
%% 2 = %d\n", -5%2);10 printf ("5
/ -2 = %d\t",5/
-2);11 printf ("5
%% -2 = %d\n",5%
-2);12 printf ("-5
/ -2 = %d\t", -5/
-2);13 printf ("-5
%% -2 = %d\n", -5%
-2);14
15 return 0;
16 }
17
18
19
20/*
21 *
-5 / 2 = -2 -5 % 2 = -1 ( -5 = 2 * ( -2 ) + ( -1 ) )22 *
5 / -2 = -2 5 % -2 = 1 ( 5 = ( -2 ) * ( -2 ) + 1 )23 *
-5 / -2 = 2 -5 % -2 = -1 ( -5 = ( -2 ) * 2 + ( -1 ) )24 *
25 * 被除数、除数、商和余数满足以下关系：
26 * 被除数
=除数 *商
+余数27 * 余数和被除数的符号一致，而且其绝对值小于除数
28 * 如果被除数和除数的符号一致，那么商为非负数，否则，为非正数
29 *
30 */
/*
* 测试负数除法和取模运算
*/
#include <stdio.h>
int main ( void )
{
printf ( "-5 / 2 = %d\t", -5 / 2 );
printf ( "-5 %% 2 = %d\n", -5 % 2 );
printf ( "5 / -2 = %d\t", 5 / -2 );
printf ( "5 %% -2 = %d\n", 5 % -2 );
printf ( "-5 / -2 = %d\t", -5 / -2 );
printf ( "-5 %% -2 = %d\n", -5 % -2 );
return 0;
}
/*
* -5 / 2 = -2 -5 % 2 = -1 ( -5 = 2 * ( -2 ) + ( -1 ) )
* 5 / -2 = -2 5 % -2 = 1 ( 5 = ( -2 ) * ( -2 ) + 1 )
* -5 / -2 = 2 -5 % -2 = -1 ( -5 = ( -2 ) * 2 + ( -1 ) )
*
* 被除数、除数、商和余数满足以下关系：
* 被除数 = 除数 * 商 + 余数
* 余数和被除数的符号一致，而且其绝对值小于除数
* 被除数和除数的符号一致，那么商为正数，否则为负数
*
*/