#include<bits/stdc++.h>
using namespace std;
const int MAX_N = 1e6+2;
int a[MAX_N];
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
int n;
cin>>n;
for(int i=0; i<n; i++)
{
cin>>a[i];
}
multiset<int> s;
s.insert(a[0]);
for(int i=1; i<n; i++)
{
if(a[i] >= a[i-1])
{
s.insert(a[i]);
}
else break;
}
int idx = s.size();
int ans = 1;
while(idx < n)
{
vector<int> cur;
set<int>::iterator first_lower_bound = s.lower_bound(a[idx]+1);
cur.push_back(a[idx]);
idx++;
ans++;
while(idx < n)
{
if(a[idx] < a[idx-1]) break;
set<int>::iterator tmp;
if(a[idx] == a[idx-1] && cur[0] == cur[cur.size()-1]) tmp = s.lower_bound(a[idx]+1);
else tmp = s.lower_bound(a[idx]);
if(tmp != first_lower_bound)
{
break;
}
cur.push_back(a[idx]);
idx++;
}
for(auto x: cur) s.insert(x);
// for(auto x: cur)
// {
// cout<<x<<" ";
// }
// cout<<endl;
}
cout<<ans<<endl;
}
/**
6
3 6 4 5 1 2
*/
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Correct |
0 ms |
204 KB |
Output is correct |
| 3 |
Correct |
1 ms |
204 KB |
Output is correct |
| 4 |
Correct |
0 ms |
204 KB |
Output is correct |
| 5 |
Correct |
0 ms |
204 KB |
Output is correct |
| 6 |
Correct |
0 ms |
204 KB |
Output is correct |
| 7 |
Correct |
0 ms |
204 KB |
Output is correct |
| 8 |
Correct |
0 ms |
204 KB |
Output is correct |
| 9 |
Correct |
1 ms |
204 KB |
Output is correct |
| 10 |
Correct |
0 ms |
204 KB |
Output is correct |
| 11 |
Correct |
1 ms |
204 KB |
Output is correct |
| 12 |
Correct |
0 ms |
204 KB |
Output is correct |
| 13 |
Correct |
1 ms |
204 KB |
Output is correct |
| 14 |
Correct |
0 ms |
204 KB |
Output is correct |
| 15 |
Correct |
0 ms |
324 KB |
Output is correct |
| 16 |
Correct |
0 ms |
204 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Correct |
0 ms |
204 KB |
Output is correct |
| 3 |
Correct |
1 ms |
204 KB |
Output is correct |
| 4 |
Correct |
0 ms |
204 KB |
Output is correct |
| 5 |
Correct |
0 ms |
204 KB |
Output is correct |
| 6 |
Correct |
0 ms |
204 KB |
Output is correct |
| 7 |
Correct |
0 ms |
204 KB |
Output is correct |
| 8 |
Correct |
0 ms |
204 KB |
Output is correct |
| 9 |
Correct |
1 ms |
204 KB |
Output is correct |
| 10 |
Correct |
0 ms |
204 KB |
Output is correct |
| 11 |
Correct |
1 ms |
204 KB |
Output is correct |
| 12 |
Correct |
0 ms |
204 KB |
Output is correct |
| 13 |
Correct |
1 ms |
204 KB |
Output is correct |
| 14 |
Correct |
0 ms |
204 KB |
Output is correct |
| 15 |
Correct |
0 ms |
324 KB |
Output is correct |
| 16 |
Correct |
0 ms |
204 KB |
Output is correct |
| 17 |
Correct |
0 ms |
204 KB |
Output is correct |
| 18 |
Correct |
0 ms |
204 KB |
Output is correct |
| 19 |
Correct |
1 ms |
204 KB |
Output is correct |
| 20 |
Correct |
1 ms |
204 KB |
Output is correct |
| 21 |
Correct |
0 ms |
320 KB |
Output is correct |
| 22 |
Correct |
1 ms |
204 KB |
Output is correct |
| 23 |
Correct |
0 ms |
328 KB |
Output is correct |
| 24 |
Correct |
0 ms |
324 KB |
Output is correct |
| 25 |
Correct |
0 ms |
328 KB |
Output is correct |
| 26 |
Correct |
1 ms |
204 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Correct |
0 ms |
204 KB |
Output is correct |
| 3 |
Correct |
1 ms |
204 KB |
Output is correct |
| 4 |
Correct |
0 ms |
204 KB |
Output is correct |
| 5 |
Correct |
0 ms |
204 KB |
Output is correct |
| 6 |
Correct |
0 ms |
204 KB |
Output is correct |
| 7 |
Correct |
0 ms |
204 KB |
Output is correct |
| 8 |
Correct |
0 ms |
204 KB |
Output is correct |
| 9 |
Correct |
1 ms |
204 KB |
Output is correct |
| 10 |
Correct |
0 ms |
204 KB |
Output is correct |
| 11 |
Correct |
1 ms |
204 KB |
Output is correct |
| 12 |
Correct |
0 ms |
204 KB |
Output is correct |
| 13 |
Correct |
1 ms |
204 KB |
Output is correct |
| 14 |
Correct |
0 ms |
204 KB |
Output is correct |
| 15 |
Correct |
0 ms |
324 KB |
Output is correct |
| 16 |
Correct |
0 ms |
204 KB |
Output is correct |
| 17 |
Correct |
0 ms |
204 KB |
Output is correct |
| 18 |
Correct |
0 ms |
204 KB |
Output is correct |
| 19 |
Correct |
1 ms |
204 KB |
Output is correct |
| 20 |
Correct |
1 ms |
204 KB |
Output is correct |
| 21 |
Correct |
0 ms |
320 KB |
Output is correct |
| 22 |
Correct |
1 ms |
204 KB |
Output is correct |
| 23 |
Correct |
0 ms |
328 KB |
Output is correct |
| 24 |
Correct |
0 ms |
324 KB |
Output is correct |
| 25 |
Correct |
0 ms |
328 KB |
Output is correct |
| 26 |
Correct |
1 ms |
204 KB |
Output is correct |
| 27 |
Correct |
1 ms |
204 KB |
Output is correct |
| 28 |
Correct |
0 ms |
204 KB |
Output is correct |
| 29 |
Correct |
1 ms |
204 KB |
Output is correct |
| 30 |
Correct |
1 ms |
332 KB |
Output is correct |
| 31 |
Correct |
1 ms |
204 KB |
Output is correct |
| 32 |
Correct |
1 ms |
332 KB |
Output is correct |
| 33 |
Correct |
1 ms |
332 KB |
Output is correct |
| 34 |
Correct |
1 ms |
332 KB |
Output is correct |
| 35 |
Correct |
1 ms |
332 KB |
Output is correct |
| 36 |
Correct |
1 ms |
328 KB |
Output is correct |
| 37 |
Correct |
1 ms |
332 KB |
Output is correct |
| 38 |
Correct |
1 ms |
332 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Correct |
0 ms |
204 KB |
Output is correct |
| 3 |
Correct |
1 ms |
204 KB |
Output is correct |
| 4 |
Correct |
0 ms |
204 KB |
Output is correct |
| 5 |
Correct |
0 ms |
204 KB |
Output is correct |
| 6 |
Correct |
0 ms |
204 KB |
Output is correct |
| 7 |
Correct |
0 ms |
204 KB |
Output is correct |
| 8 |
Correct |
0 ms |
204 KB |
Output is correct |
| 9 |
Correct |
1 ms |
204 KB |
Output is correct |
| 10 |
Correct |
0 ms |
204 KB |
Output is correct |
| 11 |
Correct |
1 ms |
204 KB |
Output is correct |
| 12 |
Correct |
0 ms |
204 KB |
Output is correct |
| 13 |
Correct |
1 ms |
204 KB |
Output is correct |
| 14 |
Correct |
0 ms |
204 KB |
Output is correct |
| 15 |
Correct |
0 ms |
324 KB |
Output is correct |
| 16 |
Correct |
0 ms |
204 KB |
Output is correct |
| 17 |
Correct |
0 ms |
204 KB |
Output is correct |
| 18 |
Correct |
0 ms |
204 KB |
Output is correct |
| 19 |
Correct |
1 ms |
204 KB |
Output is correct |
| 20 |
Correct |
1 ms |
204 KB |
Output is correct |
| 21 |
Correct |
0 ms |
320 KB |
Output is correct |
| 22 |
Correct |
1 ms |
204 KB |
Output is correct |
| 23 |
Correct |
0 ms |
328 KB |
Output is correct |
| 24 |
Correct |
0 ms |
324 KB |
Output is correct |
| 25 |
Correct |
0 ms |
328 KB |
Output is correct |
| 26 |
Correct |
1 ms |
204 KB |
Output is correct |
| 27 |
Correct |
1 ms |
204 KB |
Output is correct |
| 28 |
Correct |
0 ms |
204 KB |
Output is correct |
| 29 |
Correct |
1 ms |
204 KB |
Output is correct |
| 30 |
Correct |
1 ms |
332 KB |
Output is correct |
| 31 |
Correct |
1 ms |
204 KB |
Output is correct |
| 32 |
Correct |
1 ms |
332 KB |
Output is correct |
| 33 |
Correct |
1 ms |
332 KB |
Output is correct |
| 34 |
Correct |
1 ms |
332 KB |
Output is correct |
| 35 |
Correct |
1 ms |
332 KB |
Output is correct |
| 36 |
Correct |
1 ms |
328 KB |
Output is correct |
| 37 |
Correct |
1 ms |
332 KB |
Output is correct |
| 38 |
Correct |
1 ms |
332 KB |
Output is correct |
| 39 |
Correct |
195 ms |
24992 KB |
Output is correct |
| 40 |
Correct |
379 ms |
40648 KB |
Output is correct |
| 41 |
Correct |
152 ms |
20420 KB |
Output is correct |
| 42 |
Correct |
158 ms |
17964 KB |
Output is correct |
| 43 |
Correct |
104 ms |
12872 KB |
Output is correct |
| 44 |
Correct |
480 ms |
51400 KB |
Output is correct |
| 45 |
Correct |
444 ms |
51380 KB |
Output is correct |
| 46 |
Correct |
470 ms |
51480 KB |
Output is correct |
| 47 |
Correct |
348 ms |
51352 KB |
Output is correct |
| 48 |
Correct |
374 ms |
51524 KB |
Output is correct |
| 49 |
Correct |
672 ms |
51376 KB |
Output is correct |
| 50 |
Correct |
619 ms |
51376 KB |
Output is correct |
| 51 |
Correct |
663 ms |
51364 KB |
Output is correct |
| 52 |
Correct |
629 ms |
51324 KB |
Output is correct |
| 53 |
Correct |
612 ms |
51504 KB |
Output is correct |
| 54 |
Correct |
670 ms |
51448 KB |
Output is correct |
| 55 |
Correct |
971 ms |
51432 KB |
Output is correct |
| 56 |
Correct |
952 ms |
51392 KB |
Output is correct |
| 57 |
Correct |
940 ms |
51424 KB |
Output is correct |
| 58 |
Correct |
938 ms |
51444 KB |
Output is correct |
| 59 |
Correct |
938 ms |
51416 KB |
Output is correct |
| 60 |
Correct |
936 ms |
51368 KB |
Output is correct |
| 61 |
Correct |
939 ms |
51360 KB |
Output is correct |
| 62 |
Correct |
951 ms |
51440 KB |
Output is correct |
