标签:int for 笔试 class 序列 规划 笔试题 动态规划 int()
动态规划
import java.util.*;
public class Main {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int n = sc.nextInt();
int[] a = new int[n];
for(int i=0; i < n; i++) a[i] = sc.nextInt();
int[] f = new int[n];
f[0] = 1;
for(int i=1; i < n; i++) {
if(a[i] == a[i-1])
f[i] = f[i-1];
else
f[i] = f[i-1] + 1;
}
int res = 0;
for(int i=0; i < n; i++)
res = Math.max(res, f[i]);
System.out.println(res);
}
}
/*
f[i] 表示以a[i]结尾最长交错序列的长度
if a[i] == a[i-1] f[i] = f[i-1]
else f[i] = f[i-1] + 1
*/
标签:int for 笔试 class 序列 规划 笔试题 动态规划 int()
原文地址:https://www.cnblogs.com/lixyuan/p/13205033.html