Online C++ Compiler

#include <bits/stdc++.h> using namespace std; typedef long long int lli; class Solution { public: int findNthDigit(int n) { lli len = 1; lli cnt = 9; lli start = 1; while(n > len * cnt){ n -= len * cnt; cnt *= 10; start *= 10; len++; } start += (n - 1) / len; string s = to_string(start); return s[(n - 1) % len] - '0'; } }; main(){ Solution ob; cout << (ob.findNthDigit(11)); }