哪位高手能帮看看有关问题出在哪

谁能帮看看问题出在哪？
#include<iostream>
using namespace std;
int swapl(int*x,int*y)
{
int*t;
t=x;
x=y;
y=t;
}
void main()
{
int a,b;
a=10;
b=20;
swapl(a,b);
cout<<"a="<<a<<endl;
cout<<"b="<<b<<endl;
}

error C2664: 'swapl' : cannot convert parameter 1 from 'int' to 'int *'
Conversion from integral type to pointer type requires reinterpret_cast, C-style cast or function-style cast
Error executing cl.exe.

test1.obj - 1 error(s), 0 warning(s)

------解决方案--------------------

C/C++ code

#include<iostream>
using namespace std;
int swapl(int*x,int*y)
{
int t;
t=*x;
*x=*y;
*y=t;
}
void main()
{
  int a,b;
  a=10;
  b=20;
  swapl(&a,&b);
  cout<<"a="<<a<<endl;
  cout<<"b="<<b<<endl;
}

------解决方案--------------------

int swapl(int*x,int*y)
参数是int类型的指针，所以你调用swapl(a, b);的时候参数就错了，应该是swapl(&a, &b);

哪位高手能帮看看有关问题出在哪

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