#include <vector>
#include <string>
#include <iostream>
#include <iomanip>
using namespace std;
 
class primer{
public:
    string date;
    string hello;
};
int main()
{
    primer p[2];
    vector<vector<primer>> p1;
    vector<primer> p2;
    string q = "qwerty";
    p[0].date = "22.01";
    p[0].hello = "asd";
    p2.push_back(p[0]);
    p1.push_back(p2);
    p[1].date = "22.19";
    p[1].hello = "qwerty";
    p2.push_back(p[1]);
    p1.push_back(p2);
    for(const auto& p: p1)
    {
        for(const auto& r: p)
            if (r.hello == q)
                for(const auto& v: p)
                    cout << v.date << " " << v.hello << "\n";
    }
}

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