srm 150 div2 mid InterestingDigits
#include <sstream> #include <string> #include <vector> #include <map> #include <algorithm> #include <iostream> #include <utility> #include <set> #include <cctype> #include <queue> #include <stack> #include <cstdio> #include <cstdlib> #include <cmath> using namespace std; class InterestingDigits{ public: vector <int> digits(int base){ vector<int> ret(0); for(int i = 2; i < base; i++){ if((base - 1) % i == 0){ ret.push_back(i); } } return ret; } };