[Interview] pointer concept & (p++ & ++p)

[Interview] pointer concept & (p++ & ++p)

Skill :

1. How to use p++ & ++p

2. Pointer concept

#include<stdio.h>

int main()
{
    int a[]={6,7,8,9,10};
    int *p = a;

    printf("%d \n",*p);

    *(p++)+=123;
    int i = 0;

    printf(" \n\n");

    for (i = 0; i < 5 ; i++)
    {
        printf("%d \n",a[i]);
    }

    printf(" \n\n");
    *(++p)+=123;

    for (i = 0; i < 5 ; i++)
    {
        printf("%d \n",a[i]);
    }

    return 0;
}

6


129
7
8
9
10


129
7
131
9
10