Chocolate Distribution

#include <iostream>
#include <vector>

int main() {
    int diffvar;
    std::cin >> diffvar;

    std::vector<int> samevar(diffvar);
    for (int uniquevar = 0; uniquevar < diffvar; ++uniquevar) {
        std::cin >> samevar[uniquevar];
    }

    int originalvar = 0;
    do {
        int simplevar = samevar[originalvar++];
        std::cout << (simplevar % 2 == 0 ? simplevar / 2 : (simplevar + 1) / 2) << " " << simplevar << "\n";
    } while (--diffvar > 0);

    return 0;
}