#include
int main() {
int s=10;
printf("\n The value of s is :%d",s);
printf("\n The value of s with prefix is :%d",++s); //prefix
printf("\n The value of s after prefix is %d",s);
printf("\n The value of s with postfix is :%d",s++); //postfix
printf("\n The value of s after postfix is :%d",s);
return 0;
}

Output:-

The value of s is :10
The value of s with prefix is :11
The value of s after prefix is 11
The value of s with postfix is :11
The value of s after postfix is :12