编辑代码

#include <stdio.h>

//递归
void printPatternRecursively(int n) {
    if (n > 0) {
        printPatternRecursively(n - 1); // 输出前n-1行
        for (int i = 0; i < n; ++i) {
            printf("%d ", n); // 输出第n行
        }
        printf("\n");
    }
}

//递推
void printPatternIteratively(int n) {
    for (int i = 1; i <= n; ++i) {
        for (int j = 0; j < i; ++j) {
            printf("%d ", i);
        }
        printf("\n");
    }
}


int main() {
    int n = 8;

    printPatternRecursively(n);
    printPatternIteratively(n);

    return 0;
}