| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 587717 |
2022-07-02T09:20:45 Z |
Peti |
Group Photo (JOI21_ho_t3) |
C++14 |
|
323 ms |
134224 KB |
#include <bits/stdc++.h>
using namespace std;
const int maxn = 5000;
int utan[maxn][maxn], ert[maxn][maxn];
int main(){
ios_base::sync_with_stdio(false);
cin.tie(0);
int n;
cin>>n;
vector<int> v(n), inv(n);
for(int i = 0; i < n; i++){
cin>>v[i];
--v[i];
inv[v[i]] = i;
}
for(int i = 0; i < n; i++)
for(int j = i-1; j >= 0; j--)
utan[i][j] = utan[i][j+1] + (inv[i] < inv[j] ? 1 : 0);
vector<int> db(n);
iota(db.begin(), db.end(), 0);
for(int i = 0; i < n; i++){
ert[i][i] = db[inv[i]];
for(int j = i+1; j < n; j++)
ert[i][j] = ert[i][j-1] + db[inv[j]] - utan[j][i];
for(int j = inv[i]+1; j < n; j++)
db[j]--;
}
/*cout<<"ert:\n";
for(int i = 0; i < n; i++){
for(int j = i; j < n; j++)
cout<<ert[i][j]<<' ';
cout<<'\n';
}*/
vector<int> dp(n+1, (int)1e9);
dp[0] = 0;
for(int i = 1; i <= n; i++)
for(int j = i; j > 0; j--)
dp[i] = min(dp[i], dp[j-1] + ert[j-1][i-1]);
cout<<dp[n]<<'\n';
return 0;
}
/*
5
3 5 2 4 1
*/
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
340 KB |
Output is correct |
| 3 |
Correct |
1 ms |
328 KB |
Output is correct |
| 4 |
Correct |
0 ms |
328 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
0 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 ms |
340 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
1 ms |
328 KB |
Output is correct |
| 10 |
Correct |
1 ms |
340 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
340 KB |
Output is correct |
| 3 |
Correct |
1 ms |
328 KB |
Output is correct |
| 4 |
Correct |
0 ms |
328 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
0 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 ms |
340 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
1 ms |
328 KB |
Output is correct |
| 10 |
Correct |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
1 ms |
468 KB |
Output is correct |
| 12 |
Correct |
1 ms |
468 KB |
Output is correct |
| 13 |
Correct |
1 ms |
468 KB |
Output is correct |
| 14 |
Correct |
1 ms |
468 KB |
Output is correct |
| 15 |
Correct |
0 ms |
468 KB |
Output is correct |
| 16 |
Correct |
1 ms |
468 KB |
Output is correct |
| 17 |
Correct |
1 ms |
468 KB |
Output is correct |
| 18 |
Correct |
1 ms |
468 KB |
Output is correct |
| 19 |
Correct |
1 ms |
468 KB |
Output is correct |
| 20 |
Correct |
1 ms |
468 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
340 KB |
Output is correct |
| 3 |
Correct |
1 ms |
328 KB |
Output is correct |
| 4 |
Correct |
0 ms |
328 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
0 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 ms |
340 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
1 ms |
328 KB |
Output is correct |
| 10 |
Correct |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
1 ms |
468 KB |
Output is correct |
| 12 |
Correct |
1 ms |
468 KB |
Output is correct |
| 13 |
Correct |
1 ms |
468 KB |
Output is correct |
| 14 |
Correct |
1 ms |
468 KB |
Output is correct |
| 15 |
Correct |
0 ms |
468 KB |
Output is correct |
| 16 |
Correct |
1 ms |
468 KB |
Output is correct |
| 17 |
Correct |
1 ms |
468 KB |
Output is correct |
| 18 |
Correct |
1 ms |
468 KB |
Output is correct |
| 19 |
Correct |
1 ms |
468 KB |
Output is correct |
| 20 |
Correct |
1 ms |
468 KB |
Output is correct |
| 21 |
Correct |
2 ms |
2004 KB |
Output is correct |
| 22 |
Correct |
2 ms |
2004 KB |
Output is correct |
| 23 |
Correct |
2 ms |
1992 KB |
Output is correct |
| 24 |
Correct |
2 ms |
2004 KB |
Output is correct |
| 25 |
Correct |
2 ms |
2004 KB |
Output is correct |
| 26 |
Correct |
1 ms |
1992 KB |
Output is correct |
| 27 |
Correct |
2 ms |
1988 KB |
Output is correct |
| 28 |
Correct |
1 ms |
2004 KB |
Output is correct |
| 29 |
Correct |
1 ms |
2004 KB |
Output is correct |
| 30 |
Correct |
1 ms |
2004 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
340 KB |
Output is correct |
| 3 |
Correct |
1 ms |
328 KB |
Output is correct |
| 4 |
Correct |
0 ms |
328 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
0 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 ms |
340 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
1 ms |
328 KB |
Output is correct |
| 10 |
Correct |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
1 ms |
468 KB |
Output is correct |
| 12 |
Correct |
1 ms |
468 KB |
Output is correct |
| 13 |
Correct |
1 ms |
468 KB |
Output is correct |
| 14 |
Correct |
1 ms |
468 KB |
Output is correct |
| 15 |
Correct |
0 ms |
468 KB |
Output is correct |
| 16 |
Correct |
1 ms |
468 KB |
Output is correct |
| 17 |
Correct |
1 ms |
468 KB |
Output is correct |
| 18 |
Correct |
1 ms |
468 KB |
Output is correct |
| 19 |
Correct |
1 ms |
468 KB |
Output is correct |
| 20 |
Correct |
1 ms |
468 KB |
Output is correct |
| 21 |
Correct |
2 ms |
2004 KB |
Output is correct |
| 22 |
Correct |
2 ms |
2004 KB |
Output is correct |
| 23 |
Correct |
2 ms |
1992 KB |
Output is correct |
| 24 |
Correct |
2 ms |
2004 KB |
Output is correct |
| 25 |
Correct |
2 ms |
2004 KB |
Output is correct |
| 26 |
Correct |
1 ms |
1992 KB |
Output is correct |
| 27 |
Correct |
2 ms |
1988 KB |
Output is correct |
| 28 |
Correct |
1 ms |
2004 KB |
Output is correct |
| 29 |
Correct |
1 ms |
2004 KB |
Output is correct |
| 30 |
Correct |
1 ms |
2004 KB |
Output is correct |
| 31 |
Correct |
7 ms |
9172 KB |
Output is correct |
| 32 |
Correct |
7 ms |
9160 KB |
Output is correct |
| 33 |
Correct |
7 ms |
9172 KB |
Output is correct |
| 34 |
Correct |
8 ms |
9164 KB |
Output is correct |
| 35 |
Correct |
6 ms |
9256 KB |
Output is correct |
| 36 |
Correct |
7 ms |
9172 KB |
Output is correct |
| 37 |
Correct |
8 ms |
9212 KB |
Output is correct |
| 38 |
Correct |
7 ms |
9188 KB |
Output is correct |
| 39 |
Correct |
6 ms |
9172 KB |
Output is correct |
| 40 |
Correct |
6 ms |
9172 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
340 KB |
Output is correct |
| 3 |
Correct |
1 ms |
328 KB |
Output is correct |
| 4 |
Correct |
0 ms |
328 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
0 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 ms |
340 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
1 ms |
328 KB |
Output is correct |
| 10 |
Correct |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
1 ms |
468 KB |
Output is correct |
| 12 |
Correct |
1 ms |
468 KB |
Output is correct |
| 13 |
Correct |
1 ms |
468 KB |
Output is correct |
| 14 |
Correct |
1 ms |
468 KB |
Output is correct |
| 15 |
Correct |
0 ms |
468 KB |
Output is correct |
| 16 |
Correct |
1 ms |
468 KB |
Output is correct |
| 17 |
Correct |
1 ms |
468 KB |
Output is correct |
| 18 |
Correct |
1 ms |
468 KB |
Output is correct |
| 19 |
Correct |
1 ms |
468 KB |
Output is correct |
| 20 |
Correct |
1 ms |
468 KB |
Output is correct |
| 21 |
Correct |
2 ms |
2004 KB |
Output is correct |
| 22 |
Correct |
2 ms |
2004 KB |
Output is correct |
| 23 |
Correct |
2 ms |
1992 KB |
Output is correct |
| 24 |
Correct |
2 ms |
2004 KB |
Output is correct |
| 25 |
Correct |
2 ms |
2004 KB |
Output is correct |
| 26 |
Correct |
1 ms |
1992 KB |
Output is correct |
| 27 |
Correct |
2 ms |
1988 KB |
Output is correct |
| 28 |
Correct |
1 ms |
2004 KB |
Output is correct |
| 29 |
Correct |
1 ms |
2004 KB |
Output is correct |
| 30 |
Correct |
1 ms |
2004 KB |
Output is correct |
| 31 |
Correct |
7 ms |
9172 KB |
Output is correct |
| 32 |
Correct |
7 ms |
9160 KB |
Output is correct |
| 33 |
Correct |
7 ms |
9172 KB |
Output is correct |
| 34 |
Correct |
8 ms |
9164 KB |
Output is correct |
| 35 |
Correct |
6 ms |
9256 KB |
Output is correct |
| 36 |
Correct |
7 ms |
9172 KB |
Output is correct |
| 37 |
Correct |
8 ms |
9212 KB |
Output is correct |
| 38 |
Correct |
7 ms |
9188 KB |
Output is correct |
| 39 |
Correct |
6 ms |
9172 KB |
Output is correct |
| 40 |
Correct |
6 ms |
9172 KB |
Output is correct |
| 41 |
Correct |
294 ms |
134108 KB |
Output is correct |
| 42 |
Correct |
318 ms |
134176 KB |
Output is correct |
| 43 |
Correct |
298 ms |
134192 KB |
Output is correct |
| 44 |
Correct |
315 ms |
134108 KB |
Output is correct |
| 45 |
Correct |
295 ms |
134140 KB |
Output is correct |
| 46 |
Correct |
298 ms |
134156 KB |
Output is correct |
| 47 |
Correct |
291 ms |
134212 KB |
Output is correct |
| 48 |
Correct |
307 ms |
134152 KB |
Output is correct |
| 49 |
Correct |
287 ms |
134096 KB |
Output is correct |
| 50 |
Correct |
300 ms |
134092 KB |
Output is correct |
| 51 |
Correct |
286 ms |
134108 KB |
Output is correct |
| 52 |
Correct |
303 ms |
134092 KB |
Output is correct |
| 53 |
Correct |
323 ms |
134224 KB |
Output is correct |
| 54 |
Correct |
306 ms |
134092 KB |
Output is correct |
| 55 |
Correct |
288 ms |
134176 KB |
Output is correct |
