#include <iostream>
#include <string>
using namespace std;
 
int g_tab = 1;
struct X {
	int tab;
	const char* name;
	X(const char* name) : name(name), tab(g_tab++) {
		cout << string(tab, '\t') << name << " : ctor" << endl;
	}
	~X() {
		cout << string(tab, '\t') << name << " : dtor" << endl; }
};
 
struct Y {
	Y() {
		static X s2("s2");
	}
};
 
Y y;
 
X g1("g1");
X g2("g2");
 
 
int main() {
	cout << "start!" << endl;
	static X s1("s1");
	cout << "finish!" << endl;
}
 

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