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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#128514#1171. Integer Array ShufflecztqWA 1ms3844kbC++14408b2023-07-21 08:08:222023-07-21 08:08:23

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.
  • [2023-07-21 08:08:23]
  • 评测
  • 测评结果:WA
  • 用时:1ms
  • 内存:3844kb
  • [2023-07-21 08:08:22]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
int n,a[300010],ans,tag;
int main(){
	scanf("%d",&n);
	for(int i = 1;i<=n;i++)
		scanf("%d",&a[i]);
	if(a[1]<=a[2]) tag = 1;
	else tag = 0,ans++; 
	for(int i = 3;i<=n;i++){
		if(tag&&a[i]<a[i-1]){
			ans++;
			tag = 0;
		}else if(~tag&&a[i]>a[i-1]){
			tag = 1;
		}
	}
	if(ans==0) printf("0");
	else printf("%d",(int)log2(ans)+1);
	return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 0ms
memory: 3568kb

input:

3
2 2 5

output:

0

result:

ok 1 number(s): "0"

Test #2:

score: 0
Accepted
time: 0ms
memory: 3720kb

input:

6
1 5 8 10 3 2

output:

1

result:

ok 1 number(s): "1"

Test #3:

score: 0
Accepted
time: 1ms
memory: 3544kb

input:

8
14253630 18210471 431833031 681754868 791250850 811241570 837112104 858531105

output:

0

result:

ok 1 number(s): "0"

Test #4:

score: 0
Accepted
time: 1ms
memory: 3556kb

input:

3
2 2 5

output:

0

result:

ok 1 number(s): "0"

Test #5:

score: -100
Wrong Answer
time: 1ms
memory: 3844kb

input:

7
4 2 4 2 5 3 4

output:

2

result:

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