Line data    Source code

       1              : // Copyright (c) 2024 The Authors. All rights reserved.
       2              : //
       3              : // Licensed under the Apache License, Version 2.0 (the "License");
       4              : // you may not use this file except in compliance with the License.
       5              : // You may obtain a copy of the License at
       6              : //
       7              : //      https://www.apache.org/licenses/LICENSE-2.0
       8              : //
       9              : // Unless required by applicable law or agreed to in writing, software
      10              : // distributed under the License is distributed on an "AS IS" BASIS,
      11              : // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      12              : // See the License for the specific language governing permissions and
      13              : // limitations under the License.
      14              : 
      15              : // Authors: liubang (it.liubang@gmail.com)
      16              : 
      17              : #include <gtest/gtest.h>
      18              : 
      19              : namespace {
      20              : class Solution {
      21              : public:
      22            5 :     int add(int a, int b) { return b == 0 ? a : add(a ^ b, (unsigned int)(a & b) << 1); }
      23              : };
      24              : } // namespace
      25              : 
      26            4 : TEST(Leetcode, bu_yong_jia_jian_cheng_chu_zuo_jia_fa_lcof) {
      27            1 :     Solution s;
      28            1 :     EXPECT_EQ(3, s.add(1, 2));
      29            1 :     EXPECT_EQ(10, s.add(5, 5));
      30            1 : }