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f68bbb0d59
* Revised the book * Update the book with the second revised edition * Revise base on the manuscript of the first edition
37 lines
831 B
Rust
37 lines
831 B
Rust
/*
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* File: coin_change_greedy.rs
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* Created Time: 2023-07-22
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* Author: night-cruise (2586447362@qq.com)
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*/
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/* 最大容量：贪心 */
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fn max_capacity(ht: &[i32]) -> i32 {
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// 初始化 i, j，使其分列数组两端
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let mut i = 0;
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let mut j = ht.len() - 1;
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// 初始最大容量为 0
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let mut 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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let cap = std::cmp::min(ht[i], ht[j]) * (j - i) as i32;
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res = std::cmp::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 += 1;
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} else {
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j -= 1;
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}
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}
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res
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}
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/* Driver Code */
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fn main() {
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let ht = [3, 8, 5, 2, 7, 7, 3, 4];
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// 贪心算法
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let res = max_capacity(&ht);
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println!("最大容量为 {}", res);
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}
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