#include<bits/stdc++.h> using namespace std; int main(){ int n; cin>>n; for(int i=1;i<=n;i++){ for(int j=1;j<=i;j++){ cout<<i; }cout<<endl; } } /************************************************************** Problem: 1783 User: zhengzihao Language: C++ Result: Accepted Time:9 ms Memory:2072 kb ****************************************************************/