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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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| /** | ||
| * @Github: https://github.com/Certseeds/CS203_DSAA_template | ||
| * @Organization: SUSTech | ||
| * @Author: nanoseeds | ||
| * @Date: 2020-08-01 17:39:45 | ||
| * @LastEditors: nanoseeds | ||
| * @LICENSE: MIT | ||
| */ | ||
| /* | ||
| MIT License | ||
| CS203_DSAA_template | ||
| Copyright (C) 2020 nanoseeds | ||
| Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| of this software and associated documentation files (the "Software"), to deal | ||
| in the Software without restriction, including without limitation the rights | ||
| to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| copies of the Software, and to permit persons to whom the Software is | ||
| furnished to do so, subject to the following conditions: | ||
| The above copyright notice and this permission notice shall be included in all | ||
| copies or substantial portions of the Software. | ||
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
| SOFTWARE. | ||
| */ | ||
| // refer https://leetcode-cn.com/problems/rotate-array/ | ||
| // 189 | ||
| #include <algorithm> | ||
| #include <vector> | ||
|
|
||
| #include "catch_main.hpp" | ||
|
|
||
| using Catch::Matchers::Contains; | ||
| using Catch::Matchers::Equals; | ||
| using Catch::Matchers::UnorderedEquals; | ||
| using std::tie; | ||
| using std::tuple; | ||
| using std::vector; | ||
|
|
||
| // nums 一个有序数组, 集体右移k个位置(k>=0) | ||
| // [first,last] !! | ||
| int rorate_array_min(vector<int32_t> &nums, int32_t first, int32_t last) { | ||
| while (first < last) { | ||
| int middle = (last - first) / 2 + first; | ||
| if (nums[middle] > nums[last]) { | ||
| first = middle + 1; | ||
| } else if (nums[middle] < nums[last]) { | ||
| last = middle; | ||
| } else { | ||
| last--; | ||
| } | ||
| } | ||
| return nums[first]; | ||
| } | ||
|
|
||
| TEST_CASE("test case 1", "[test binary search - rotate_array_min]") { | ||
| vector<int32_t> vec{3, 4, 5, 1, 2}; | ||
| CHECK(*std::min_element(std::begin(vec), std::end(vec)) == rorate_array_min(vec, 0, vec.size() - 1)); | ||
| } | ||
|
|
||
| TEST_CASE("test case 2", "[test binary search - rotate_array_min]") { | ||
| vector<int32_t> vec{2, 2, 2, 0, 1}; | ||
| CHECK(*std::min_element(std::begin(vec), std::end(vec)) == rorate_array_min(vec, 0, vec.size() - 1)); | ||
| } | ||
|
|
||
| TEST_CASE("test case 3", "[test binary search - rotate_array_min]") { | ||
| vector<int32_t> vec{1, 3, 5}; | ||
| CHECK(*std::min_element(std::begin(vec), std::end(vec)) == rorate_array_min(vec, 0, vec.size() - 1)); | ||
| } | ||
|
|
||
| TEST_CASE("test case 4", "[test binary search - rotate_array_min]") { | ||
| vector<int32_t> vec{3, 3, 1, 3}; | ||
| CHECK(*std::min_element(std::begin(vec), std::end(vec)) == rorate_array_min(vec, 0, vec.size() - 1)); | ||
| } | ||
|
|
||
| TEST_CASE("test case 5", "[test binary search - rotate_array_min]") { | ||
| vector<int32_t> vec{3, 1}; | ||
| CHECK(*std::min_element(std::begin(vec), std::end(vec)) == rorate_array_min(vec, 0, vec.size() - 1)); | ||
| } | ||
|
|
||
| TEST_CASE("test case 6", "[test binary search - rotate_array_min]") { | ||
| vector<int32_t> vec{3, 1, 3}; | ||
| CHECK(*std::min_element(std::begin(vec), std::end(vec)) == rorate_array_min(vec, 0, vec.size() - 1)); | ||
| } | ||
|
|
||
| TEST_CASE("test case 7", "[test binary search - rotate_array_min]") { | ||
| vector<int32_t> vec{5, 6, 7, 1, 2, 3, 4}; | ||
| CHECK(*std::min_element(std::begin(vec), std::end(vec)) == rorate_array_min(vec, 0, vec.size() - 1)); | ||
| } | ||
|
|
||
| TEST_CASE("test case 8", "[test binary search - rotate_array_min]") { | ||
| vector<int32_t> vec{-1, -100, 3, 99}; | ||
| CHECK(*std::min_element(std::begin(vec), std::end(vec)) == rorate_array_min(vec, 0, vec.size() - 1)); | ||
| } |
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