40 lines
838 B
C++
40 lines
838 B
C++
/**
|
||
* 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;
|
||
}
|