#include "iostream"
using namespace std;
int addItem(
const int *p1,
const int *p2){
return *p1+*p2;
};
int addItem1(
int *p1,
int *p2){
return *p1+*p2;
};
int addItem2(
int i,
int j){
return i+j;
};
int addItem3(
const int i,
const int j){
return i+j;
};
void main(){
int i=
2;
int *a1=&i;
int *a2=&i;
cout<<addItem(a1,a2)<<endl;
cout<<addItem1(a1,a2)<<endl;
const int *aa1=&i;
const int *aa2=&i;
cout<<addItem(aa1,aa2)<<endl;
const int i1=
2;
int i2=
3;
cout<<addItem2(i1,i2)<<endl;
cout<<addItem3(i1,i2)<<endl;
cout<<system(
"pause");
return;
}
书籍参考: c++ primer 第四版
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