hello-algo/codes/cpp/chapter_greedy/max_capacity.cpp
Yudong Jin a005c6ebd3
Some improvements (#1073)
* Update avatar's link in the landing page

* Bug fixes

* Move assets folder from overrides to docs

* Reduce figures' corner radius

* Update copyright

* Update header image

* Krahets -> krahets

* Update the landing page
2024-02-07 22:21:18 +08:00

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/**
* File: max_capacity.cpp
* Created Time: 2023-07-21
* Author: krahets (krahets@163.com)
*/
#include "../utils/common.hpp"
/* 最大容量:贪心 */
int maxCapacity(vector<int> &ht) {
// 初始化 i, j使其分列数组两端
int i = 0, j = ht.size() - 1;
// 初始最大容量为 0
int res = 0;
// 循环贪心选择,直至两板相遇
while (i < j) {
// 更新最大容量
int cap = min(ht[i], ht[j]) * (j - i);
res = max(res, cap);
// 向内移动短板
if (ht[i] < ht[j]) {
i++;
} else {
j--;
}
}
return res;
}
/* Driver Code */
int main() {
vector<int> ht = {3, 8, 5, 2, 7, 7, 3, 4};
// 贪心算法
int res = maxCapacity(ht);
cout << "最大容量为 " << res << endl;
return 0;
}