declare dynamic array c++
int main()
{
int size;
std::cin >> size;
int *array = new int[size];
delete [] array;
return 0;
}declare dynamic array c++
int main()
{
int size;
std::cin >> size;
int *array = new int[size];
delete [] array;
return 0;
}how to 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.
}
. . . // Use a as a normal array
delete [] a; // When done, free memory pointed to by a.
a = NULL; // Clear a to prevent using invalid memory reference.Copyright © 2021 Codeinu
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