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ID	Problem	Submitter	Result	Time	Memory	Language	File size	Submit time	Judge time
#130867	#1171. Integer Array Shuffle	dengtingyu	WA	1ms	3700kb	C++14	527b	2023-07-25 14:59:21	2023-07-25 14:59:23

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.

[2023-07-25 14:59:23]
评测

测评结果：WA
用时：1ms
内存：3700kb

查看

[2023-07-25 14:59:21]
提交

answer

#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define N 100010
ll n;
ll a[N];
int main()
{
//	freopen("test1.in","r",stdin);
	//freopen(".in","r",stdin);
	//freopen("test1.out","w",stdout);
	ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
	cin>>n;for(int i=1;i<=n;i++)cin>>a[i];
	ll ji=0,pre=0,ans=1;for(int i=1;i<=n;i++){
		if(ji==0&&a[i]>=pre){pre=a[i];continue;}
		if(ji==1&&a[i]<=pre){pre=a[i];continue;}
		ji^=1;pre=a[i-1];ans++;
	}cout<<(ll)ceil(log2(ans))<<'\n';
	return 0;
}

Source code, Language: C++14

Details

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Test #1:

score: 100

Accepted

time: 1ms

memory: 3376kb

input:

3
2 2 5

output:

result:

ok 1 number(s): "0"

Test #2:

score: 0

Accepted

time: 1ms

memory: 3700kb

input:

6
1 5 8 10 3 2

output:

result:

ok 1 number(s): "1"

Test #3:

score: 0

Accepted

time: 1ms

memory: 3400kb

input:

8
14253630 18210471 431833031 681754868 791250850 811241570 837112104 858531105

output:

result:

ok 1 number(s): "0"

Test #4:

score: 0

Accepted

time: 1ms

memory: 3376kb

input:

3
2 2 5

output:

result:

ok 1 number(s): "0"

Test #5:

score: -100

Wrong Answer

time: 1ms

memory: 3568kb

input:

7
4 2 4 2 5 3 4

output:

result:

wrong answer 1st numbers differ - expected: '3', found: '2'