题解 | 向量叉乘

    vector<int> crossTimes(vector<int>& vector1, vector<int>& vector2) {
        vector<int> ans;
        int cx = vector1[1]*vector2[2]-vector1[2]*vector2[1];
        int cy = -(vector1[0]*vector2[2]-vector1[2]*vector2[0]);
        int cz = vector1[0]*vector2[1]-vector1[1]*vector2[0];
        ans.push_back(cx);
        ans.push_back(cy);
        ans.push_back(cz);
        return ans;
    }