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