题解 | #剪绳子#

class Solution{
public:
    int cutRope(int n){
        int result;
        if(n%3==0){
            result = pow(3, n/3);
        }
        if(n%3 == 1){
            result = pow(3, (n-4)/3);
            result *= 4;
        }
        if(n%3 == 2){
            result = pow(3, n/3);
            result *= 2;
        }

        return result;
    }
};