?? arraynew.cpp
字號:
// arraynew.cpp -- using the new operator for arrays
#include <iostream>
int main()
{
using namespace std;
double * p3 = new double [3]; // space for 3 doubles
p3[0] = 0.2; // treat p3 like an array name
p3[1] = 0.5;
p3[2] = 0.8;
cout << "p3[1] is " << p3[1] << ".\n";
p3 = p3 + 1; // increment the pointer
cout << "Now p3[0] is " << p3[0] << " and ";
cout << "p3[1] is " << p3[1] << ".\n";
p3 = p3 - 1; // point back to beginning
delete [] p3; // free the memory
return 0;
}
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