Task_12

#include <iostream>
int main() {
    unsigned int n;
    std:: cin >> n;
    for (int i = 1; i <= n; i++) {
        if (i == 1 || i == n) {
            for (int k = 1; k <= n; k++) {
                if (k == 1 || k == n) {
                    std::cout << "+";
                }
                else {
                    std::cout << "-";
                }
            }
            std::cout << std::endl;
        }
        else {
            for (int k = 1; k <= n; k++) {
                if (k == 1 || k == n) {
                    std::cout << "|";
                }
                else {
                    std::cout << "-";
                }
            }
            std::cout << std::endl;
        }
    }
    return 0;
}