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forked from newde/homework

新增 指针/交换值 .cpp

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2026-03-07 00:47:37 -05:00
parent 57545f3e87
commit e455b2f368

16
指针/交换值 .cpp Normal file
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1 #include<iostream>
2 using namespace std;
3
4 int main(){
5 int a=10,b=5,temp,*ptr_a,*ptr_b;
6 cout<<"a的值是"<<a<<" b的值是"<<b<<endl;
7 ptr_a=&a;
8 ptr_b=&b;
9 temp=*ptr_a;
10 *ptr_a=*ptr_b;
11 *ptr_b=temp;
12
13 cout<<"交换后a的值是"<<a<<" b的值是"<<b<<endl;
14
15 return 0;
16 }