Various ways to use new

new:
1:int *p=new int (10);

Open up an integer memory size address and assign it to the pointer p, then 10 Assign to a pointer

2：int *p=new int[10];

open up 10 individual int Type address , And put this 10 individual int The first address of the type size address is assigned to the pointer p

new Release of the pointer coming out ：
delate[] array;   /delate array[];

3, Assign multiple same values while opening up memory

    bool* n;
	n = new bool[2]{false};
	if (*n == false) cout << "false" << endl;

int *p=new int[10]();// The default initialization value is 0

4, While opening up memory, assign multiple different values

int *p=new int[5]{1,2,3,4,5};