Description
Submission
class Solution { public: vector<string> simplifiedFractions(int n) { vector<string> rets; for(int j = 2; j <= n; ++j) { for(int i = 1; i < j; ++i) { if(gcd(j, i) == 1) rets.push_back(to_string(i) + "/" + to_string(j)); } } return rets; } };