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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#129110#1171. Integer Array ShufflezhangbeixiyanWA 1ms3908kbC++14527b2023-07-21 21:38:302023-07-21 21:38:47

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2023-07-21 21:38:47]
  • 评测
  • 测评结果:WA
  • 用时:1ms
  • 内存:3908kb
  • [2023-07-21 21:38:30]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;

const int maxn=3e5+5;
int n,ans,a[maxn];
int main()
{
	scanf("%d",&n);
	for(int i=1;i<=n;i++) scanf("%d",&a[i]);
	int toL=unique(a+1,a+n+1)-(a+1);
	int fl=0,ch=0;
	for(int i=2;i<=toL;i++) if(a[i]>a[i-1]) fl=1;
	if(!fl && toL!=1)
	{
		cout<<1<<endl;
		return 0;
	}
	int cur=0;
	for(int i=2;i<=toL;i++) if(a[i]>a[i-1] && a[i]>a[i+1]) ans++;
	if(ans==0)
	{
		cout<<0<<endl;
		return 0;
	}
	if(a[n]>a[n-1]) ans++;
	cout<<ceil(log2(ans))+1<<endl;
	return 0;
}

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 3596kb

input:

3
2 2 5

output:

0

result:

ok 1 number(s): "0"

Test #2:

score: 0
Accepted
time: 1ms
memory: 3768kb

input:

6
1 5 8 10 3 2

output:

1

result:

ok 1 number(s): "1"

Test #3:

score: -100
Wrong Answer
time: 0ms
memory: 3908kb

input:

8
14253630 18210471 431833031 681754868 791250850 811241570 837112104 858531105

output:

2

result:

wrong answer 1st numbers differ - expected: '0', found: '2'