realloc dynamic array c code example

Example 1: malloc int array c

int array_length = 100;
int *array = (int*) malloc(array_length * sizeof(int));

Example 2: array 2d dynamic allocation c++

int** a = new int*[rowCount];
for(int i = 0; i < rowCount; ++i)
    a[i] = new int[colCount];