看看下面这段代码:
#include <stdio.h>
int main(void)
{
int a;
a = 2147483647;
printf("a + 1 = %d \t sizeof (a + 1) = %lu\n", a + 1, sizeof (a + 1));
printf("a + 1L = %ld \t sizeof (a + 1L) = %lu\n", a + 1L, sizeof (a + 1L));
a = -1;
printf("a + 1 = %d \t sizeof (a + 1) = %lu\n", a + 1, sizeof (a + 1));
printf("a + 1L = %ld \t sizeof (a + …Run Code Online (Sandbox Code Playgroud)