Pascal's Triangle II

    vector<int> getRow(int rowIndex) {
        vector<int> array(rowIndex+1,0);
        for (int i = 0; i <= rowIndex; i++) {
            for (int j = i-1; j > 0; j--){
                array[j] = array[j-1] + array[j];
            }
            array[i]=1;
        }
        return array;
    }

//another
    vector<int> getRow(int rowIndex) {
        vector<int> array(rowIndex+1,1);
        for (int i = 1; i <= rowIndex; i++) {
            for (int j = i-1; j > 0; j--){
                array[j] = array[j-1] + array[j];
            }
        }
        return array;
    }