1318. Minimum Flips to Make a OR b Equal to c

通过cc推预测值

class Solution {
public:
    // 通过结果
    vector<int> func(int num){
        vector<int> res(32, 0);
        int pos = res.size()-1;
        while(num!=0){
            res[pos--] = num%2;//60
            num = num/2;//6->3
        }
        return res;
    }
    
    int minFlips(int a, int b, int c) {
        vector<int> aa = func(a);
        vector<int> bb = func(b);
        vector<int> cc = func(c);
        
        int res = 0;
        for(int i=0;i<32;i++){
            if (cc[i]==0){
                if (aa[i]==1){res++;}
                if (bb[i]==1){res++;}
            }
            else{//1
                if (aa[i]==0&&bb[i]==0){res++;}
            }
        }
        return res;
    }
};