王耀駒你就玩你的Cs去吧

#include

using namespace std;

int main() { int a,b,c; cin>>a>>b>>c; if(a+b>c and a+c>b and b+c>a and a>0 and b>0 and c>0) { if(aa+bbcc or bb+c*caa or aa+cc==bb) { cout<<"Yes!"; } else { cout<<"No!"; } } else{ cout<<"Error!"; }

return 0; }