#include <iostream>
#include <vector>
#include <cstdlib>
#include <cstdio>
using namespace std;
class str
{
private:
vector<char> A;
public:
str(const char *S) {
int sz = sizeof(S);
cerr << sz << endl;
for (int i = 0; i < sz; ++i) {
cout << S[i];
//A.push_back(S[i]); //!-- Comment --!//
}
}
};
int main(int argc, char const *argv[])
{
str A("");
return 0;
}
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