output trace2

#include<stdio.h>
int main ()
{
    char str[]="We know C/C++";
    char *p;
    p=str;
    printf("\n 1. %s", p);
    printf("\n 2. %s", p++);
    str[8]= '\0';
    printf("\n 3. %s", str);
    printf("\n 4. %s", ++p);
    printf("\n 5. %c", str[10]);
    return 0;

}