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/**
* File: max_capacity.java
* Created Time: 2023-07-21
* Author: krahets (krahets@163.com)
*/
package chapter_greedy ;
public class max_capacity {
/* 最大容量:贪心 */
static int maxCapacity ( int [ ] ht ) {
// 初始化 i, j, 使其分列数组两端
int i = 0 , j = ht . length - 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 = Math . min ( ht [ i ] , ht [ j ] ) * ( j - i ) ;
res = Math . max ( res , cap ) ;
// 向内移动短板
if ( ht [ i ] < ht [ j ] ) {
i + + ;
} else {
j - - ;
}
}
return res ;
}
public static void main ( String [ ] args ) {
int [ ] ht = { 3 , 8 , 5 , 2 , 7 , 7 , 3 , 4 } ;
// 贪心算法
int res = maxCapacity ( ht ) ;
System . out . println ( "最大容量为 " + res ) ;
}
}