[leetcode] 991. Broken Calculator : https://leetcode.com/problems/broken-calculator/

Broken Calculator.cpp

class Solution {
public:
    int brokenCalc(int X, int Y) {
        if(X==Y) return 0;
        if(X > Y) return X-Y;
        if(X < Y && Y%2 == 0){
            return 1 + brokenCalc(X, Y/2);  
        } 
        return 1 + brokenCalc(X, Y+1);
    }
};