#include #define REP(i,n) for(int i=0;i<(n);i++) #define ALL(v) (v).begin(),(v).end() #define int long long #define INF 1e18 #define MOD 1000000007 #define SIZE 100005 using namespace std; typedef pair P; //----------------------------------------------------------------------- signed main() { cin.tie(0); ios::sync_with_stdio(false); int n; cin>>n; for(int i=n;i>=1;i--){ REP(j,i) cout<