Question

How to get the value of the first element in two dimensional (2D) array with pointer in C

Answer 1

#include <stdio.h>

int main(void)
{
    char arr[3][3] = { {'3','2','1'},
                       {'4','5','6'},
                       {'7','8','9'}};

    char* p = &arr[0][0];

    printf("%c\n", arr[0][0]);
    printf("%c\n", *arr[0]);
    printf("%c\n", **arr);
    printf("%c\n", *p);

    return 0;
}



/*
run:

3
3
3
3

*/

 

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