#include<bits/stdc++.h> using namespace std; int main(){ int a[10][10]={0},n,i,j; cin>>n; for(i=0;i<n;i++){ j=n-i-1; a[i][j]={1}; } for(i=0;i<n;i++){ for(j=0;j<n;j++){ cout<<setw(3)<<a[i][j]; } cout<<endl; } return 0; } /************************************************************** Problem: 1191 User: zhenghaoxuan Language: C++ Result: Accepted Time:8 ms Memory:2072 kb ****************************************************************/