输出scanf函数的返回值
#include <iostream>
using namespace std;
int main()
{
int x,y;
int fanhui=scanf("%d%d",&x,&y);
cout<<fanhui<<'\n';
}
#include <iostream>
using namespace std;
int main()
{
int x,y;
int fanhui=scanf("%d%d",&x,&y);
cout<<fanhui<<'\n';
}
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