编辑代码

#include <iostream>
void printPatternRecursively(int n) {
    if (n == 1) {
        std::cout << 1 << std::endl;
    } else {
        printPatternRecursively(n - 1);
        for (int i = 0; i < n; i++) {
            std::cout << n << " ";
        }
        std::cout << std::endl;
    }
}
void printPatternNonRecursively(int n) {
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= i; j++) {
            std::cout << i << " ";
        }
        std::cout << std::endl;
    }
}

int main() {
    int n = 5;
    std::cout << "递归算法输出：" << std::endl;
    printPatternRecursively(n);
    std::cout << "\n非递归算法输出：" << std::endl;
    printPatternNonRecursively(n);

    return 0;
}