harry potter 来发题解啦

#include<iostream>
using namespace std;
int main() {
int a, b, c;
cin >> a >> b >> c;
if (a > 0){
cout << a << endl;
}
if(b > 0){
cout << b << endl;
}
if(c > 0){
cout << c << endl;
}
return 0;
}斜体文本