#include <bits/stdc++.h>
#define ff first
#define ss second
#define endl '\n'
using namespace std;
const long long INF = (long long) 1e18;
const int mod = (int) 1e9+7;
const int MAXN = (int) 5e3+5;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
ll n;
int a[MAXN];
int dp[MAXN];
int s[MAXN];
int arr[MAXN][MAXN], brr[MAXN][MAXN];
int main(){
ios_base::sync_with_stdio(false);
cin.tie(nullptr);cout.tie(nullptr);
#ifdef Local
freopen("C:/Users/Admin/Desktop/Yazilim/C/IO/int.txt","r",stdin);
freopen("C:/Users/Admin/Desktop/Yazilim/C/IO/out.txt","w",stdout);
#endif
cin>>n;
for(int i = 1; i <= n; i++){
cin>>a[i];
}
for(int i = 1; i <= n; i++){
dp[i] = mod;
for(int j = a[i]; j <= n; j++)
s[j]++;
for(int j = a[i]; j <= n; j++){
arr[a[i]][j] = s[n] - s[j];
brr[a[i]][j] = (j - a[i]) - (s[j] - s[a[i]]);
}
}
for(int i = 1; i <= n; i++){
int sum = 0;
for(int j = i; j >= 1; j--){
sum += arr[j][i] + brr[j][i];
dp[i] = min(dp[i], dp[j - 1] + sum);
}
}
cout<<dp[n]<<endl;
#ifdef Local
cout<<endl<<fixed<<setprecision(2)<<1000.0 * clock() / CLOCKS_PER_SEC<< " milliseconds ";
#endif
}
| # |
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 |
1 ms |
364 KB |
Output is correct |
| 4 |
Correct |
1 ms |
512 KB |
Output is correct |
| 5 |
Correct |
1 ms |
364 KB |
Output is correct |
| 6 |
Correct |
1 ms |
364 KB |
Output is correct |
| 7 |
Correct |
1 ms |
492 KB |
Output is correct |
| 8 |
Correct |
1 ms |
492 KB |
Output is correct |
| 9 |
Correct |
1 ms |
492 KB |
Output is correct |
| 10 |
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 |
1 ms |
364 KB |
Output is correct |
| 4 |
Correct |
1 ms |
512 KB |
Output is correct |
| 5 |
Correct |
1 ms |
364 KB |
Output is correct |
| 6 |
Correct |
1 ms |
364 KB |
Output is correct |
| 7 |
Correct |
1 ms |
492 KB |
Output is correct |
| 8 |
Correct |
1 ms |
492 KB |
Output is correct |
| 9 |
Correct |
1 ms |
492 KB |
Output is correct |
| 10 |
Correct |
1 ms |
492 KB |
Output is correct |
| 11 |
Correct |
1 ms |
492 KB |
Output is correct |
| 12 |
Correct |
1 ms |
492 KB |
Output is correct |
| 13 |
Correct |
1 ms |
492 KB |
Output is correct |
| 14 |
Correct |
1 ms |
492 KB |
Output is correct |
| 15 |
Correct |
1 ms |
492 KB |
Output is correct |
| 16 |
Correct |
1 ms |
492 KB |
Output is correct |
| 17 |
Correct |
1 ms |
492 KB |
Output is correct |
| 18 |
Correct |
1 ms |
492 KB |
Output is correct |
| 19 |
Correct |
1 ms |
492 KB |
Output is correct |
| 20 |
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 |
1 ms |
364 KB |
Output is correct |
| 4 |
Correct |
1 ms |
512 KB |
Output is correct |
| 5 |
Correct |
1 ms |
364 KB |
Output is correct |
| 6 |
Correct |
1 ms |
364 KB |
Output is correct |
| 7 |
Correct |
1 ms |
492 KB |
Output is correct |
| 8 |
Correct |
1 ms |
492 KB |
Output is correct |
| 9 |
Correct |
1 ms |
492 KB |
Output is correct |
| 10 |
Correct |
1 ms |
492 KB |
Output is correct |
| 11 |
Correct |
1 ms |
492 KB |
Output is correct |
| 12 |
Correct |
1 ms |
492 KB |
Output is correct |
| 13 |
Correct |
1 ms |
492 KB |
Output is correct |
| 14 |
Correct |
1 ms |
492 KB |
Output is correct |
| 15 |
Correct |
1 ms |
492 KB |
Output is correct |
| 16 |
Correct |
1 ms |
492 KB |
Output is correct |
| 17 |
Correct |
1 ms |
492 KB |
Output is correct |
| 18 |
Correct |
1 ms |
492 KB |
Output is correct |
| 19 |
Correct |
1 ms |
492 KB |
Output is correct |
| 20 |
Correct |
1 ms |
492 KB |
Output is correct |
| 21 |
Correct |
2 ms |
2156 KB |
Output is correct |
| 22 |
Correct |
2 ms |
2156 KB |
Output is correct |
| 23 |
Correct |
2 ms |
2304 KB |
Output is correct |
| 24 |
Correct |
2 ms |
2156 KB |
Output is correct |
| 25 |
Correct |
2 ms |
2156 KB |
Output is correct |
| 26 |
Correct |
2 ms |
2284 KB |
Output is correct |
| 27 |
Correct |
2 ms |
2156 KB |
Output is correct |
| 28 |
Correct |
2 ms |
2156 KB |
Output is correct |
| 29 |
Correct |
2 ms |
2156 KB |
Output is correct |
| 30 |
Correct |
2 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 |
1 ms |
364 KB |
Output is correct |
| 4 |
Correct |
1 ms |
512 KB |
Output is correct |
| 5 |
Correct |
1 ms |
364 KB |
Output is correct |
| 6 |
Correct |
1 ms |
364 KB |
Output is correct |
| 7 |
Correct |
1 ms |
492 KB |
Output is correct |
| 8 |
Correct |
1 ms |
492 KB |
Output is correct |
| 9 |
Correct |
1 ms |
492 KB |
Output is correct |
| 10 |
Correct |
1 ms |
492 KB |
Output is correct |
| 11 |
Correct |
1 ms |
492 KB |
Output is correct |
| 12 |
Correct |
1 ms |
492 KB |
Output is correct |
| 13 |
Correct |
1 ms |
492 KB |
Output is correct |
| 14 |
Correct |
1 ms |
492 KB |
Output is correct |
| 15 |
Correct |
1 ms |
492 KB |
Output is correct |
| 16 |
Correct |
1 ms |
492 KB |
Output is correct |
| 17 |
Correct |
1 ms |
492 KB |
Output is correct |
| 18 |
Correct |
1 ms |
492 KB |
Output is correct |
| 19 |
Correct |
1 ms |
492 KB |
Output is correct |
| 20 |
Correct |
1 ms |
492 KB |
Output is correct |
| 21 |
Correct |
2 ms |
2156 KB |
Output is correct |
| 22 |
Correct |
2 ms |
2156 KB |
Output is correct |
| 23 |
Correct |
2 ms |
2304 KB |
Output is correct |
| 24 |
Correct |
2 ms |
2156 KB |
Output is correct |
| 25 |
Correct |
2 ms |
2156 KB |
Output is correct |
| 26 |
Correct |
2 ms |
2284 KB |
Output is correct |
| 27 |
Correct |
2 ms |
2156 KB |
Output is correct |
| 28 |
Correct |
2 ms |
2156 KB |
Output is correct |
| 29 |
Correct |
2 ms |
2156 KB |
Output is correct |
| 30 |
Correct |
2 ms |
2156 KB |
Output is correct |
| 31 |
Correct |
9 ms |
9324 KB |
Output is correct |
| 32 |
Correct |
9 ms |
9324 KB |
Output is correct |
| 33 |
Correct |
9 ms |
9324 KB |
Output is correct |
| 34 |
Correct |
10 ms |
9324 KB |
Output is correct |
| 35 |
Correct |
9 ms |
9324 KB |
Output is correct |
| 36 |
Correct |
9 ms |
9324 KB |
Output is correct |
| 37 |
Correct |
9 ms |
9324 KB |
Output is correct |
| 38 |
Correct |
9 ms |
9324 KB |
Output is correct |
| 39 |
Correct |
9 ms |
9324 KB |
Output is correct |
| 40 |
Correct |
9 ms |
9324 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 |
1 ms |
364 KB |
Output is correct |
| 4 |
Correct |
1 ms |
512 KB |
Output is correct |
| 5 |
Correct |
1 ms |
364 KB |
Output is correct |
| 6 |
Correct |
1 ms |
364 KB |
Output is correct |
| 7 |
Correct |
1 ms |
492 KB |
Output is correct |
| 8 |
Correct |
1 ms |
492 KB |
Output is correct |
| 9 |
Correct |
1 ms |
492 KB |
Output is correct |
| 10 |
Correct |
1 ms |
492 KB |
Output is correct |
| 11 |
Correct |
1 ms |
492 KB |
Output is correct |
| 12 |
Correct |
1 ms |
492 KB |
Output is correct |
| 13 |
Correct |
1 ms |
492 KB |
Output is correct |
| 14 |
Correct |
1 ms |
492 KB |
Output is correct |
| 15 |
Correct |
1 ms |
492 KB |
Output is correct |
| 16 |
Correct |
1 ms |
492 KB |
Output is correct |
| 17 |
Correct |
1 ms |
492 KB |
Output is correct |
| 18 |
Correct |
1 ms |
492 KB |
Output is correct |
| 19 |
Correct |
1 ms |
492 KB |
Output is correct |
| 20 |
Correct |
1 ms |
492 KB |
Output is correct |
| 21 |
Correct |
2 ms |
2156 KB |
Output is correct |
| 22 |
Correct |
2 ms |
2156 KB |
Output is correct |
| 23 |
Correct |
2 ms |
2304 KB |
Output is correct |
| 24 |
Correct |
2 ms |
2156 KB |
Output is correct |
| 25 |
Correct |
2 ms |
2156 KB |
Output is correct |
| 26 |
Correct |
2 ms |
2284 KB |
Output is correct |
| 27 |
Correct |
2 ms |
2156 KB |
Output is correct |
| 28 |
Correct |
2 ms |
2156 KB |
Output is correct |
| 29 |
Correct |
2 ms |
2156 KB |
Output is correct |
| 30 |
Correct |
2 ms |
2156 KB |
Output is correct |
| 31 |
Correct |
9 ms |
9324 KB |
Output is correct |
| 32 |
Correct |
9 ms |
9324 KB |
Output is correct |
| 33 |
Correct |
9 ms |
9324 KB |
Output is correct |
| 34 |
Correct |
10 ms |
9324 KB |
Output is correct |
| 35 |
Correct |
9 ms |
9324 KB |
Output is correct |
| 36 |
Correct |
9 ms |
9324 KB |
Output is correct |
| 37 |
Correct |
9 ms |
9324 KB |
Output is correct |
| 38 |
Correct |
9 ms |
9324 KB |
Output is correct |
| 39 |
Correct |
9 ms |
9324 KB |
Output is correct |
| 40 |
Correct |
9 ms |
9324 KB |
Output is correct |
| 41 |
Correct |
403 ms |
134424 KB |
Output is correct |
| 42 |
Correct |
405 ms |
134252 KB |
Output is correct |
| 43 |
Correct |
405 ms |
134380 KB |
Output is correct |
| 44 |
Correct |
396 ms |
134508 KB |
Output is correct |
| 45 |
Correct |
401 ms |
134400 KB |
Output is correct |
| 46 |
Correct |
399 ms |
134380 KB |
Output is correct |
| 47 |
Correct |
407 ms |
134440 KB |
Output is correct |
| 48 |
Correct |
414 ms |
134380 KB |
Output is correct |
| 49 |
Correct |
400 ms |
134400 KB |
Output is correct |
| 50 |
Correct |
403 ms |
134380 KB |
Output is correct |
| 51 |
Correct |
397 ms |
134440 KB |
Output is correct |
| 52 |
Correct |
395 ms |
134380 KB |
Output is correct |
| 53 |
Correct |
425 ms |
134380 KB |
Output is correct |
| 54 |
Correct |
397 ms |
134380 KB |
Output is correct |
| 55 |
Correct |
402 ms |
134508 KB |
Output is correct |
