#include <iostream> #include <iomanip> using namespace std; int main() { int n; cin >> n; for (int i = 0; i < n; i++) { for (int j = 0; j < n; j++) { int num; if (j < n - i - 1) { num = n - j; } else { num = i + 1; } cout << setw(3) << num; } cout << endl; } return 0; } /************************************************************** Problem: 1203 User: linzihang Language: C++ Result: Accepted Time:9 ms Memory:2072 kb ****************************************************************/