运行以下程序:
#include<iostream>
using namespace std;
int main(){
cout<<2e5+3<<endl;
cout<<(double)2e5+3<<endl;
cout<<(long long)2e17+5<<endl;
cout<<(int)2e17+5<<endl;
cout<<(double)2e17+5;
}
out:
200003
200003
200000000000000005
-2147483644
2e+17
这™输出的都是什么啊……