how to initialize array with new in 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.array initialization declaration c++
//Arrays only declaration
int tab[3][4];
//Arrays declaration with initialization
int tab[3][4] = {
{0,1,2,3},
{4,5,6,7},
{8,9,10,11}
};Copyright © 2021 Codeinu
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