This commit is contained in:
xliu79
2020-07-19 10:38:38 +08:00
parent 9f6088a31e
commit 2bdeea85d1
129 changed files with 5264 additions and 0 deletions

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#include<iostream>
using namespace std;
void test1(int* p)
{
*p = 3; //此处应该首先判断p是否为空为了测试的需要此处我们没加。
return;
}
void test2(int& p)
{
p = 3; //此处应该首先判断p是否为空为了测试的需要此处我们没加。
return;
}
int main() {
int a=10;
int *p=&a;
test1(p);
test2(a);
cout<<a<<endl;
return 0;
}