Leetcode 1010 Solution

This article provides solution to leetcode question 1010 (powerful-integers)

https://leetcode.com/problems/powerful-integers

Solution

class Solution { public: vector<int> powerfulIntegers(int x, int y, int bound) { int i = 0; int j = 0; set<int> ans;
int x_i = 1; int y_j = 1;
while (x_i + y_j <= bound) { while (x_i + y_j <= bound) { ans.insert(x_i + y_j);
if (y == 1) break;
y_j *= y; }
if (x == 1) break;
x_i *= x; y_j = 1; }
std::vector<int> res; std::copy(ans.begin(), ans.end(), std::back_inserter(res));
return res; } };