strace a++;b++;a+b;
#include <stdio.h>
int main()
{
int a = 2 , b = 5;
a++;
b++;
printf(" a is %d b is %d a+b %d\n",a,b,a+b);
while(1);
return 0;
}

一勤天下无难事。
#include <stdio.h>
int main()
{
int a = 2 , b = 5;
a++;
b++;
printf(" a is %d b is %d a+b %d\n",a,b,a+b);
while(1);
return 0;
}
