#include<bits/stdc++.h>
using namespace std;
int n, a[400];
int dp[400][400][400];
int main(){
cin >> n;
for (int i = 1; i <= n; i++) cin >> a[i];
for (int i = n; i; i--){
for (int j = 1; j <= n; j++) dp[i][i][j] = (a[j] != i);
for (int j = i+1; j <= n; j++) for (int k = 1; k+j-i <= n; k++) dp[i][j][k] = min({dp[i+1][j][k] + (a[k+j-i] != i), dp[i+1][j][k+1] + (a[k] != i)
, dp[i][j-1][k] + (a[k+j-i] != j), dp[i][j-1][k+1] + (a[k] != j)});
}
cout << dp[1][n][1] << '\n';
}
| # |
결과 |
실행 시간 |
메모리 |
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 |
4444 KB |
Output is correct |
| 5 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 6 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 7 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 8 |
Correct |
1 ms |
6592 KB |
Output is correct |
| 9 |
Correct |
7 ms |
6592 KB |
Output is correct |
| 10 |
Correct |
1 ms |
6492 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
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 |
4444 KB |
Output is correct |
| 5 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 6 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 7 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 8 |
Correct |
1 ms |
6592 KB |
Output is correct |
| 9 |
Correct |
7 ms |
6592 KB |
Output is correct |
| 10 |
Correct |
1 ms |
6492 KB |
Output is correct |
| 11 |
Correct |
1 ms |
6592 KB |
Output is correct |
| 12 |
Correct |
1 ms |
6492 KB |
Output is correct |
| 13 |
Correct |
1 ms |
6492 KB |
Output is correct |
| 14 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 15 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 16 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 17 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 18 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 19 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 20 |
Correct |
1 ms |
8536 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
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 |
4444 KB |
Output is correct |
| 5 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 6 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 7 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 8 |
Correct |
1 ms |
6592 KB |
Output is correct |
| 9 |
Correct |
7 ms |
6592 KB |
Output is correct |
| 10 |
Correct |
1 ms |
6492 KB |
Output is correct |
| 11 |
Correct |
1 ms |
6592 KB |
Output is correct |
| 12 |
Correct |
1 ms |
6492 KB |
Output is correct |
| 13 |
Correct |
1 ms |
6492 KB |
Output is correct |
| 14 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 15 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 16 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 17 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 18 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 19 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 20 |
Correct |
1 ms |
8536 KB |
Output is correct |
| 21 |
Correct |
2 ms |
19032 KB |
Output is correct |
| 22 |
Correct |
7 ms |
45492 KB |
Output is correct |
| 23 |
Correct |
18 ms |
63688 KB |
Output is correct |
| 24 |
Correct |
31 ms |
84476 KB |
Output is correct |
| 25 |
Correct |
45 ms |
102864 KB |
Output is correct |
| 26 |
Correct |
50 ms |
106104 KB |
Output is correct |
| 27 |
Correct |
49 ms |
106424 KB |
Output is correct |
| 28 |
Correct |
58 ms |
106968 KB |
Output is correct |
| 29 |
Correct |
49 ms |
107344 KB |
Output is correct |
| 30 |
Correct |
50 ms |
109396 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
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 |
4444 KB |
Output is correct |
| 5 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 6 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 7 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 8 |
Correct |
1 ms |
6592 KB |
Output is correct |
| 9 |
Correct |
7 ms |
6592 KB |
Output is correct |
| 10 |
Correct |
1 ms |
6492 KB |
Output is correct |
| 11 |
Correct |
1 ms |
6592 KB |
Output is correct |
| 12 |
Correct |
1 ms |
6492 KB |
Output is correct |
| 13 |
Correct |
1 ms |
6492 KB |
Output is correct |
| 14 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 15 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 16 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 17 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 18 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 19 |
Correct |
1 ms |
8540 KB |
Output is correct |
| 20 |
Correct |
1 ms |
8536 KB |
Output is correct |
| 21 |
Correct |
2 ms |
19032 KB |
Output is correct |
| 22 |
Correct |
7 ms |
45492 KB |
Output is correct |
| 23 |
Correct |
18 ms |
63688 KB |
Output is correct |
| 24 |
Correct |
31 ms |
84476 KB |
Output is correct |
| 25 |
Correct |
45 ms |
102864 KB |
Output is correct |
| 26 |
Correct |
50 ms |
106104 KB |
Output is correct |
| 27 |
Correct |
49 ms |
106424 KB |
Output is correct |
| 28 |
Correct |
58 ms |
106968 KB |
Output is correct |
| 29 |
Correct |
49 ms |
107344 KB |
Output is correct |
| 30 |
Correct |
50 ms |
109396 KB |
Output is correct |
| 31 |
Runtime error |
5 ms |
348 KB |
Execution killed with signal 11 |
| 32 |
Halted |
0 ms |
0 KB |
- |
