#include<bits/stdc++.h>
#define int long long
using namespace std;
int ar[1000005];
int add[1000005];
vector<pair<int,int> >v;
int cnt=0;
int32_t main(){
ios_base::sync_with_stdio(false);
cin.tie(0);
int n;cin>>n;
for(int i=1;i<=n;i++){
cin>>ar[i];
v.push_back({ar[i],i});
}
sort(v.begin(),v.end(),greater<pair<int,int>>());
int mx=0;
for(int i=0;i<n;){
auto x=v[i];
add[x.second]=1;
int temp=0;
if(add[x.second-1])temp++;
if(add[x.second+1])temp++;
if(temp==0)cnt++;
if(temp==2)cnt--;
i++;
while(i<n&&x.first==v[i].first){
auto x=v[i];
add[x.second]=1;
int temp=0;
if(add[x.second-1])temp++;
if(add[x.second+1])temp++;
if(temp==0)cnt++;
if(temp==2)cnt--;
i++;
}
mx=max(mx,cnt);
}
cout<<mx;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2396 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2396 KB |
Output is correct |
4 |
Correct |
1 ms |
2396 KB |
Output is correct |
5 |
Correct |
1 ms |
2396 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
15 ms |
7060 KB |
Output is correct |
2 |
Correct |
16 ms |
7124 KB |
Output is correct |
3 |
Correct |
15 ms |
7300 KB |
Output is correct |
4 |
Correct |
15 ms |
7308 KB |
Output is correct |
5 |
Correct |
15 ms |
7124 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
18 ms |
6868 KB |
Output is correct |
2 |
Correct |
11 ms |
6868 KB |
Output is correct |
3 |
Correct |
22 ms |
7056 KB |
Output is correct |
4 |
Correct |
17 ms |
7000 KB |
Output is correct |
5 |
Correct |
17 ms |
6868 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
176 ms |
32176 KB |
Output is correct |
2 |
Correct |
175 ms |
31664 KB |
Output is correct |
3 |
Correct |
176 ms |
31848 KB |
Output is correct |
4 |
Correct |
177 ms |
31696 KB |
Output is correct |
5 |
Correct |
169 ms |
31916 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
180 ms |
32048 KB |
Output is correct |
2 |
Correct |
181 ms |
31984 KB |
Output is correct |
3 |
Correct |
188 ms |
31700 KB |
Output is correct |
4 |
Correct |
161 ms |
31776 KB |
Output is correct |
5 |
Runtime error |
157 ms |
34704 KB |
Memory limit exceeded |
6 |
Halted |
0 ms |
0 KB |
- |