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/**
* File: max_capacity.dart
* Created Time: 2023-08-11
* Author: liuyuxin (gvenusleo@gmail.com)
*/
import 'dart:math';
/* 最大容量：貪婪 */
int maxCapacity(List<int> ht) {
// 初始化 i, j，使其分列陣列兩端
int i = 0, j = ht.length - 1;
// 初始最大容量為 0
int res = 0;
// 迴圈貪婪選擇，直至兩板相遇
while (i < j) {
// 更新最大容量
int cap = min(ht[i], ht[j]) * (j - i);
res = max(res, cap);
// 向內移動短板
if (ht[i] < ht[j]) {
i++;
} else {
j--;
}
return res;
/* Driver Code */
void main() {
List<int> ht = [3, 8, 5, 2, 7, 7, 3, 4];
// 貪婪演算法
int res = maxCapacity(ht);
print("最大容量為 $res");
