#include <iostream>
#include <vector>
using namespace std;
int main(){
vector<vector<int>> v;
vector<int> v0;
for(int i = 0; i < 5; i++){
v.push_back(v0);
}
for(int i = 0; i < v.size(); i++){
cout << static_cast<void const *>(&(v[i])) << endl;
}
return 0;
}
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