QOJ.ac
QOJ
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 |
---|---|---|---|---|---|---|---|---|---|
#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
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;
}
詳細信息
Test #1:
score: 100
Accepted
time: 1ms
memory: 3376kb
input:
3 2 2 5
output:
0
result:
ok 1 number(s): "0"
Test #2:
score: 0
Accepted
time: 1ms
memory: 3700kb
input:
6 1 5 8 10 3 2
output:
1
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:
0
result:
ok 1 number(s): "0"
Test #4:
score: 0
Accepted
time: 1ms
memory: 3376kb
input:
3 2 2 5
output:
0
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:
2
result:
wrong answer 1st numbers differ - expected: '3', found: '2'