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#include <iostream>
#include <vector>
#include <algorithm>

using std::cout;
using std::endl;
using std::find;
using std::vector;

#define PRINT(X) cout << (#X) << " = " << X << endl

int main() {
        int i = -1;
        switch(i) {
                case 0:
                {
                        cout << "seen 0" << endl;
                        break;
                }
                case 1:
                {
                        cout << "seen 1" << endl;
                        break;
                }
                default:
                {
                        cout << "seen neither" << endl;
                        break;
                }
        }

        return 0;
}