#include <bits/stdc++.h> using namespace std; int main(){ 不知道; return 0; }

不知道

#include <bits/stdc++.h>
using namespace std;
int main() {
	cout << "float:" << sizeof (float) << endl;
	cout << "long long:" << sizeof (long long) << endl;
	cout << "long:" << sizeof (long) << endl;
	cout << "string:" << sizeof (string) << endl;
	cout << "vector<int>:" << sizeof (vector<int>) << endl;
	cout << "vector<long long>:" << sizeof (vector<long long>) << endl;
	cout << "int:" << sizeof (int) << endl;
	cout << "stringstream:" << sizeof (stringstream) << endl;
	cout << "bool:" << sizeof (bool) << endl;
	cout << "char:" << sizeof (char) << endl;
	cout << "double:" << sizeof (double) << endl;
	return 0;
}