#include <bits/stdc++.h>
using namespace std;
const int MX=5005;
int N;
int H[MX], dp[MX], cnt[MX][MX], curCnt[MX], pos[MX];
int main() {
cin.tie(0); ios_base::sync_with_stdio(0);
cin>>N;
for(int i=1;i<=N;i++) cin>>H[i];
for(int i=1;i<=N;i++) dp[i]=1e9;
for(int i=1;i<=N;i++) {
pos[H[i]]=i;
for(int j=H[i];j<=N;j++) curCnt[j]++;
for(int j=1;j<=N;j++) cnt[i][j]=curCnt[j];
}
for(int i=0;i<=N;i++) {
for(int k=i+1;k<=N;k++) {
int cost=0;
for(int j=k;j>i;j--) {
int cur=0;
cur+=cnt[pos[j]][N];
cur-=cnt[pos[j]][k];
cur+=cnt[pos[j]][j-1];
cur-=cnt[pos[j]][i];
cost+=cur;
}
dp[k]=min(dp[k],dp[i]+cost);
}
}
cout<<dp[N]<<'\n';
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
600 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
352 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
2 ms |
2480 KB |
Output is correct |
7 |
Correct |
1 ms |
2396 KB |
Output is correct |
8 |
Correct |
1 ms |
2396 KB |
Output is correct |
9 |
Correct |
1 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2396 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
600 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
352 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
2 ms |
2480 KB |
Output is correct |
7 |
Correct |
1 ms |
2396 KB |
Output is correct |
8 |
Correct |
1 ms |
2396 KB |
Output is correct |
9 |
Correct |
1 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2396 KB |
Output is correct |
11 |
Correct |
1 ms |
2396 KB |
Output is correct |
12 |
Correct |
0 ms |
2396 KB |
Output is correct |
13 |
Correct |
1 ms |
2396 KB |
Output is correct |
14 |
Correct |
1 ms |
2396 KB |
Output is correct |
15 |
Correct |
1 ms |
2396 KB |
Output is correct |
16 |
Correct |
1 ms |
2396 KB |
Output is correct |
17 |
Correct |
1 ms |
2396 KB |
Output is correct |
18 |
Correct |
1 ms |
2396 KB |
Output is correct |
19 |
Correct |
1 ms |
2396 KB |
Output is correct |
20 |
Correct |
1 ms |
2396 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
600 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
352 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
2 ms |
2480 KB |
Output is correct |
7 |
Correct |
1 ms |
2396 KB |
Output is correct |
8 |
Correct |
1 ms |
2396 KB |
Output is correct |
9 |
Correct |
1 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2396 KB |
Output is correct |
11 |
Correct |
1 ms |
2396 KB |
Output is correct |
12 |
Correct |
0 ms |
2396 KB |
Output is correct |
13 |
Correct |
1 ms |
2396 KB |
Output is correct |
14 |
Correct |
1 ms |
2396 KB |
Output is correct |
15 |
Correct |
1 ms |
2396 KB |
Output is correct |
16 |
Correct |
1 ms |
2396 KB |
Output is correct |
17 |
Correct |
1 ms |
2396 KB |
Output is correct |
18 |
Correct |
1 ms |
2396 KB |
Output is correct |
19 |
Correct |
1 ms |
2396 KB |
Output is correct |
20 |
Correct |
1 ms |
2396 KB |
Output is correct |
21 |
Correct |
4 ms |
4444 KB |
Output is correct |
22 |
Correct |
4 ms |
4444 KB |
Output is correct |
23 |
Correct |
4 ms |
4444 KB |
Output is correct |
24 |
Correct |
4 ms |
4700 KB |
Output is correct |
25 |
Correct |
3 ms |
4444 KB |
Output is correct |
26 |
Correct |
4 ms |
4444 KB |
Output is correct |
27 |
Correct |
5 ms |
4444 KB |
Output is correct |
28 |
Correct |
5 ms |
4444 KB |
Output is correct |
29 |
Correct |
3 ms |
4444 KB |
Output is correct |
30 |
Correct |
3 ms |
4444 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
600 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
352 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
2 ms |
2480 KB |
Output is correct |
7 |
Correct |
1 ms |
2396 KB |
Output is correct |
8 |
Correct |
1 ms |
2396 KB |
Output is correct |
9 |
Correct |
1 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2396 KB |
Output is correct |
11 |
Correct |
1 ms |
2396 KB |
Output is correct |
12 |
Correct |
0 ms |
2396 KB |
Output is correct |
13 |
Correct |
1 ms |
2396 KB |
Output is correct |
14 |
Correct |
1 ms |
2396 KB |
Output is correct |
15 |
Correct |
1 ms |
2396 KB |
Output is correct |
16 |
Correct |
1 ms |
2396 KB |
Output is correct |
17 |
Correct |
1 ms |
2396 KB |
Output is correct |
18 |
Correct |
1 ms |
2396 KB |
Output is correct |
19 |
Correct |
1 ms |
2396 KB |
Output is correct |
20 |
Correct |
1 ms |
2396 KB |
Output is correct |
21 |
Correct |
4 ms |
4444 KB |
Output is correct |
22 |
Correct |
4 ms |
4444 KB |
Output is correct |
23 |
Correct |
4 ms |
4444 KB |
Output is correct |
24 |
Correct |
4 ms |
4700 KB |
Output is correct |
25 |
Correct |
3 ms |
4444 KB |
Output is correct |
26 |
Correct |
4 ms |
4444 KB |
Output is correct |
27 |
Correct |
5 ms |
4444 KB |
Output is correct |
28 |
Correct |
5 ms |
4444 KB |
Output is correct |
29 |
Correct |
3 ms |
4444 KB |
Output is correct |
30 |
Correct |
3 ms |
4444 KB |
Output is correct |
31 |
Correct |
222 ms |
16936 KB |
Output is correct |
32 |
Correct |
237 ms |
16944 KB |
Output is correct |
33 |
Correct |
217 ms |
16728 KB |
Output is correct |
34 |
Correct |
220 ms |
16732 KB |
Output is correct |
35 |
Correct |
235 ms |
16984 KB |
Output is correct |
36 |
Correct |
217 ms |
16948 KB |
Output is correct |
37 |
Correct |
216 ms |
16728 KB |
Output is correct |
38 |
Correct |
218 ms |
16944 KB |
Output is correct |
39 |
Correct |
224 ms |
16732 KB |
Output is correct |
40 |
Correct |
236 ms |
16944 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
600 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
352 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
2 ms |
2480 KB |
Output is correct |
7 |
Correct |
1 ms |
2396 KB |
Output is correct |
8 |
Correct |
1 ms |
2396 KB |
Output is correct |
9 |
Correct |
1 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2396 KB |
Output is correct |
11 |
Correct |
1 ms |
2396 KB |
Output is correct |
12 |
Correct |
0 ms |
2396 KB |
Output is correct |
13 |
Correct |
1 ms |
2396 KB |
Output is correct |
14 |
Correct |
1 ms |
2396 KB |
Output is correct |
15 |
Correct |
1 ms |
2396 KB |
Output is correct |
16 |
Correct |
1 ms |
2396 KB |
Output is correct |
17 |
Correct |
1 ms |
2396 KB |
Output is correct |
18 |
Correct |
1 ms |
2396 KB |
Output is correct |
19 |
Correct |
1 ms |
2396 KB |
Output is correct |
20 |
Correct |
1 ms |
2396 KB |
Output is correct |
21 |
Correct |
4 ms |
4444 KB |
Output is correct |
22 |
Correct |
4 ms |
4444 KB |
Output is correct |
23 |
Correct |
4 ms |
4444 KB |
Output is correct |
24 |
Correct |
4 ms |
4700 KB |
Output is correct |
25 |
Correct |
3 ms |
4444 KB |
Output is correct |
26 |
Correct |
4 ms |
4444 KB |
Output is correct |
27 |
Correct |
5 ms |
4444 KB |
Output is correct |
28 |
Correct |
5 ms |
4444 KB |
Output is correct |
29 |
Correct |
3 ms |
4444 KB |
Output is correct |
30 |
Correct |
3 ms |
4444 KB |
Output is correct |
31 |
Correct |
222 ms |
16936 KB |
Output is correct |
32 |
Correct |
237 ms |
16944 KB |
Output is correct |
33 |
Correct |
217 ms |
16728 KB |
Output is correct |
34 |
Correct |
220 ms |
16732 KB |
Output is correct |
35 |
Correct |
235 ms |
16984 KB |
Output is correct |
36 |
Correct |
217 ms |
16948 KB |
Output is correct |
37 |
Correct |
216 ms |
16728 KB |
Output is correct |
38 |
Correct |
218 ms |
16944 KB |
Output is correct |
39 |
Correct |
224 ms |
16732 KB |
Output is correct |
40 |
Correct |
236 ms |
16944 KB |
Output is correct |
41 |
Execution timed out |
5043 ms |
98320 KB |
Time limit exceeded |
42 |
Halted |
0 ms |
0 KB |
- |