n = int(input()) for i in range(1, n + 1): print(' ' * (n - i), end='') print('', end='') if i > 1: print(' ' * (2 * i - 3), end='') print('', end='') print() for i in range(n - 1, 0, -1): print(' ' * (n - i), end='') print('', end='') if i > 1: print(' ' * (2 * i - 3), end='') print('', end='') print()

哈哈哈

#include <bits/stdc++.h> using namespace std; int main() { int n,a,z,m; char c; cin>>n>>c; a=n;z=0;m=n2-3; for(int i=1;i<n2;i++){ }

#include<bits/stdc++.h> using namespace std; int a; int main(){ }

#include<iostream> using namespace std; int main() { int n; cin >> n; int size = 2 * n - 1; for (int i = 0; i < size; i++) { for (int j = 0; j < size; j++) { int dis = abs(i-(n-1)); if (j == dis || j == (size - 1 - dis) || (i == 0 && j == n - 1) || (i == size - 1 && j == n - 1)) { cout << ""; } else { cout << " "; } } cout << endl; } return 0; } / n (O O) n H |_/| H nHnn/ _/ \nnHn <V VV / \ VV V> __/| |// */