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C++ - "Allocating array of pointers on Heap"
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// declare dynamic array in C++ | |
int main() | |
{ | |
int size; | |
std::cin >> size; | |
int *array = new int[size]; | |
delete [] array; | |
return 0; | |
} | |
//dynamically allocate an array c++ | |
//int *a = NULL; // Pointer to int, initialize to nothing. | |
//int n; // Size needed for array | |
//cin >> n; // Read in the size | |
//a = new int[n]; // Allocate n ints and save ptr in a. | |
//for (int i=0; i<n; i++) { | |
// a[i] = 0; // Initialize all elements to zero. | |
//} | |
//. . . // `a` can be used as a normal array | |
//delete [] a; // When done, free memory pointed to by a. | |
//a = NULL; // Clear a to prevent using invalid memory reference. |
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