c语言__if

#include<stdio.h>
#include<math.h>
int main (void)
{
 int ming,ling;
 printf("请输入小明年龄：");
 scanf("%d",&ming);
 printf("请输入小玲年龄：");
 scanf("%d",&ling);
 getchar();
 if(ming<ling)
 {
  printf("小明比小玲小%d岁。\n",abs(ming-ling));
 }
 if(ming>ling)
 {
  printf("小明比小玲大%d岁。\n",abs(ming-ling));
 }
 if(ming==ling)
 {
  printf("小明和小玲一样大");
 }
 
 getchar();
 return 0;

}