#include <bits/stdc++.h>
using namespace std;
const int N=1000006;
int i,n,a[N],b[N],r[N],l[N],f[N],ans,x,y,u;
int main(){
cin>>n;
for (i=1; i<=n; i++)cin>>a[i],b[i]=a[i],f[a[i]]++;
sort(b+1, b+n+1); u=a[n];
for (i=1; i<=n; i++)r[b[i]]=b[i+1];
for (i=n; i>=1; i--)l[b[i]]=b[i-1];
for (i=n; i>1; i--){
x=a[i];y=a[i-1];
if(--f[x]==0)r[l[x]]=r[x],l[r[x]]=l[x];
if(x==y)continue;
if((f[x]&&x-u)||l[x]-y)ans++,u=y;
}
cout<<ans+1;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
364 KB |
Output is correct |
| 2 |
Correct |
1 ms |
364 KB |
Output is correct |
| 3 |
Correct |
0 ms |
364 KB |
Output is correct |
| 4 |
Correct |
0 ms |
364 KB |
Output is correct |
| 5 |
Correct |
0 ms |
364 KB |
Output is correct |
| 6 |
Correct |
0 ms |
364 KB |
Output is correct |
| 7 |
Correct |
1 ms |
384 KB |
Output is correct |
| 8 |
Correct |
1 ms |
376 KB |
Output is correct |
| 9 |
Correct |
0 ms |
364 KB |
Output is correct |
| 10 |
Correct |
0 ms |
364 KB |
Output is correct |
| 11 |
Correct |
1 ms |
364 KB |
Output is correct |
| 12 |
Correct |
0 ms |
364 KB |
Output is correct |
| 13 |
Correct |
0 ms |
364 KB |
Output is correct |
| 14 |
Correct |
0 ms |
364 KB |
Output is correct |
| 15 |
Correct |
0 ms |
492 KB |
Output is correct |
| 16 |
Correct |
1 ms |
492 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
364 KB |
Output is correct |
| 2 |
Correct |
1 ms |
364 KB |
Output is correct |
| 3 |
Correct |
0 ms |
364 KB |
Output is correct |
| 4 |
Correct |
0 ms |
364 KB |
Output is correct |
| 5 |
Correct |
0 ms |
364 KB |
Output is correct |
| 6 |
Correct |
0 ms |
364 KB |
Output is correct |
| 7 |
Correct |
1 ms |
384 KB |
Output is correct |
| 8 |
Correct |
1 ms |
376 KB |
Output is correct |
| 9 |
Correct |
0 ms |
364 KB |
Output is correct |
| 10 |
Correct |
0 ms |
364 KB |
Output is correct |
| 11 |
Correct |
1 ms |
364 KB |
Output is correct |
| 12 |
Correct |
0 ms |
364 KB |
Output is correct |
| 13 |
Correct |
0 ms |
364 KB |
Output is correct |
| 14 |
Correct |
0 ms |
364 KB |
Output is correct |
| 15 |
Correct |
0 ms |
492 KB |
Output is correct |
| 16 |
Correct |
1 ms |
492 KB |
Output is correct |
| 17 |
Correct |
1 ms |
364 KB |
Output is correct |
| 18 |
Correct |
1 ms |
492 KB |
Output is correct |
| 19 |
Correct |
1 ms |
384 KB |
Output is correct |
| 20 |
Correct |
0 ms |
364 KB |
Output is correct |
| 21 |
Correct |
1 ms |
492 KB |
Output is correct |
| 22 |
Correct |
1 ms |
364 KB |
Output is correct |
| 23 |
Correct |
1 ms |
380 KB |
Output is correct |
| 24 |
Correct |
1 ms |
364 KB |
Output is correct |
| 25 |
Correct |
1 ms |
492 KB |
Output is correct |
| 26 |
Correct |
1 ms |
492 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
364 KB |
Output is correct |
| 2 |
Correct |
1 ms |
364 KB |
Output is correct |
| 3 |
Correct |
0 ms |
364 KB |
Output is correct |
| 4 |
Correct |
0 ms |
364 KB |
Output is correct |
| 5 |
Correct |
0 ms |
364 KB |
Output is correct |
| 6 |
Correct |
0 ms |
364 KB |
Output is correct |
| 7 |
Correct |
1 ms |
384 KB |
Output is correct |
| 8 |
Correct |
1 ms |
376 KB |
Output is correct |
| 9 |
Correct |
0 ms |
364 KB |
Output is correct |
| 10 |
Correct |
0 ms |
364 KB |
Output is correct |
| 11 |
Correct |
1 ms |
364 KB |
Output is correct |
| 12 |
Correct |
0 ms |
364 KB |
Output is correct |
| 13 |
Correct |
0 ms |
364 KB |
Output is correct |
| 14 |
Correct |
0 ms |
364 KB |
Output is correct |
| 15 |
Correct |
0 ms |
492 KB |
Output is correct |
| 16 |
Correct |
1 ms |
492 KB |
Output is correct |
| 17 |
Correct |
1 ms |
364 KB |
Output is correct |
| 18 |
Correct |
1 ms |
492 KB |
Output is correct |
| 19 |
Correct |
1 ms |
384 KB |
Output is correct |
| 20 |
Correct |
0 ms |
364 KB |
Output is correct |
| 21 |
Correct |
1 ms |
492 KB |
Output is correct |
| 22 |
Correct |
1 ms |
364 KB |
Output is correct |
| 23 |
Correct |
1 ms |
380 KB |
Output is correct |
| 24 |
Correct |
1 ms |
364 KB |
Output is correct |
| 25 |
Correct |
1 ms |
492 KB |
Output is correct |
| 26 |
Correct |
1 ms |
492 KB |
Output is correct |
| 27 |
Correct |
1 ms |
364 KB |
Output is correct |
| 28 |
Correct |
1 ms |
364 KB |
Output is correct |
| 29 |
Correct |
0 ms |
364 KB |
Output is correct |
| 30 |
Correct |
0 ms |
364 KB |
Output is correct |
| 31 |
Correct |
1 ms |
364 KB |
Output is correct |
| 32 |
Correct |
1 ms |
512 KB |
Output is correct |
| 33 |
Correct |
1 ms |
364 KB |
Output is correct |
| 34 |
Correct |
1 ms |
492 KB |
Output is correct |
| 35 |
Correct |
1 ms |
364 KB |
Output is correct |
| 36 |
Correct |
1 ms |
364 KB |
Output is correct |
| 37 |
Correct |
1 ms |
2028 KB |
Output is correct |
| 38 |
Correct |
1 ms |
2156 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
364 KB |
Output is correct |
| 2 |
Correct |
1 ms |
364 KB |
Output is correct |
| 3 |
Correct |
0 ms |
364 KB |
Output is correct |
| 4 |
Correct |
0 ms |
364 KB |
Output is correct |
| 5 |
Correct |
0 ms |
364 KB |
Output is correct |
| 6 |
Correct |
0 ms |
364 KB |
Output is correct |
| 7 |
Correct |
1 ms |
384 KB |
Output is correct |
| 8 |
Correct |
1 ms |
376 KB |
Output is correct |
| 9 |
Correct |
0 ms |
364 KB |
Output is correct |
| 10 |
Correct |
0 ms |
364 KB |
Output is correct |
| 11 |
Correct |
1 ms |
364 KB |
Output is correct |
| 12 |
Correct |
0 ms |
364 KB |
Output is correct |
| 13 |
Correct |
0 ms |
364 KB |
Output is correct |
| 14 |
Correct |
0 ms |
364 KB |
Output is correct |
| 15 |
Correct |
0 ms |
492 KB |
Output is correct |
| 16 |
Correct |
1 ms |
492 KB |
Output is correct |
| 17 |
Correct |
1 ms |
364 KB |
Output is correct |
| 18 |
Correct |
1 ms |
492 KB |
Output is correct |
| 19 |
Correct |
1 ms |
384 KB |
Output is correct |
| 20 |
Correct |
0 ms |
364 KB |
Output is correct |
| 21 |
Correct |
1 ms |
492 KB |
Output is correct |
| 22 |
Correct |
1 ms |
364 KB |
Output is correct |
| 23 |
Correct |
1 ms |
380 KB |
Output is correct |
| 24 |
Correct |
1 ms |
364 KB |
Output is correct |
| 25 |
Correct |
1 ms |
492 KB |
Output is correct |
| 26 |
Correct |
1 ms |
492 KB |
Output is correct |
| 27 |
Correct |
1 ms |
364 KB |
Output is correct |
| 28 |
Correct |
1 ms |
364 KB |
Output is correct |
| 29 |
Correct |
0 ms |
364 KB |
Output is correct |
| 30 |
Correct |
0 ms |
364 KB |
Output is correct |
| 31 |
Correct |
1 ms |
364 KB |
Output is correct |
| 32 |
Correct |
1 ms |
512 KB |
Output is correct |
| 33 |
Correct |
1 ms |
364 KB |
Output is correct |
| 34 |
Correct |
1 ms |
492 KB |
Output is correct |
| 35 |
Correct |
1 ms |
364 KB |
Output is correct |
| 36 |
Correct |
1 ms |
364 KB |
Output is correct |
| 37 |
Correct |
1 ms |
2028 KB |
Output is correct |
| 38 |
Correct |
1 ms |
2156 KB |
Output is correct |
| 39 |
Correct |
168 ms |
4332 KB |
Output is correct |
| 40 |
Correct |
281 ms |
6636 KB |
Output is correct |
| 41 |
Correct |
140 ms |
3564 KB |
Output is correct |
| 42 |
Correct |
123 ms |
3308 KB |
Output is correct |
| 43 |
Correct |
89 ms |
2376 KB |
Output is correct |
| 44 |
Correct |
352 ms |
8300 KB |
Output is correct |
| 45 |
Correct |
352 ms |
8300 KB |
Output is correct |
| 46 |
Correct |
358 ms |
8428 KB |
Output is correct |
| 47 |
Correct |
350 ms |
8176 KB |
Output is correct |
| 48 |
Correct |
353 ms |
8300 KB |
Output is correct |
| 49 |
Correct |
446 ms |
19948 KB |
Output is correct |
| 50 |
Correct |
445 ms |
19948 KB |
Output is correct |
| 51 |
Correct |
444 ms |
19820 KB |
Output is correct |
| 52 |
Correct |
445 ms |
19948 KB |
Output is correct |
| 53 |
Correct |
446 ms |
19820 KB |
Output is correct |
| 54 |
Correct |
448 ms |
20076 KB |
Output is correct |
| 55 |
Correct |
518 ms |
19820 KB |
Output is correct |
| 56 |
Correct |
521 ms |
19820 KB |
Output is correct |
| 57 |
Correct |
513 ms |
19948 KB |
Output is correct |
| 58 |
Correct |
513 ms |
19820 KB |
Output is correct |
| 59 |
Correct |
525 ms |
19948 KB |
Output is correct |
| 60 |
Correct |
525 ms |
20076 KB |
Output is correct |
| 61 |
Correct |
524 ms |
19820 KB |
Output is correct |
| 62 |
Correct |
534 ms |
19820 KB |
Output is correct |
