#include <stdio.h>
void change_values(int **p, int rows, int cols) {
int i, j;
int *ptr;
for (i = 0; i < rows; i++) {
for (j = 0; j < cols; j++) {
ptr = *(p + i) + j;
*ptr = i * j;
(*ptr)++;
}
}
}
int main() {
int rows = 3, cols = 4;
int i, j;
int **p = (int **)malloc(rows * sizeof(int *)); // allocate memory for rows
// allocate memory for columns
for (i = 0; i < rows; i++) {
p[i] = (int *)malloc(cols * sizeof(int));
}
// initialize array
change_values(p, rows, cols);
// print array
for (i = 0; i < rows; i++) {
for (j = 0; j < cols; j++) {
printf("%d ", p[i][j]);
}
printf("\n");
}
// free memory
for (i = 0; i < rows; i++) {
free(p[i]);
}
free(p);
return 0;
}
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