#include "bits/stdc++.h"
#define int long long
using namespace std;
const int MAXN = 4e5 + 10;
int ps[2010][2010];
int freq(int l, int r, int lb, int ub) {
return ps[r][ub] - ps[l-1][ub] - ps[r][lb-1] + ps[l-1][lb-1];
}
void solve(int tc) {
int n;
cin >> n;
int a[n+1], c[n+1];
for(int i=1; i<=n; i++) cin >> a[i];
for(int i=1; i<=n; i++) cin >> c[i];
int dp[n+1][n+1];
for(int i=0; i<=n; i++) {
for(int j=0; j<=n; j++) {
dp[i][j] = -1e18;
ps[i][j] = 0;
}
}
for(int i=1; i<=n; i++) {
for(int j=1; j<=n; j++) {
ps[i][j] = ps[i-1][j] + ps[i][j-1] - ps[i-1][j-1] + (a[i] == j);
}
}
bool chosen[n+1];
for(int i=1; i<=n; i++) chosen[i] = 0;
for(int i=1; i<=n; i++) if(a[i] > 0) chosen[a[i]] = 1;
dp[0][0] = 0;
int wow = 0;
for(int i=1; i<=n; i++) {
int mx = -1e18;
for(int j=0; j<i; j++) mx = max(mx, dp[j][i-1]);
for(int j=i; j<=n; j++) {
if(a[i] > j || freq(i + 1, n, 1, j) > j - i) dp[j][i] = -1e18;
else if(a[i] == j) dp[j][i] = mx + c[j];
else if(chosen[j]) dp[j][i] = max(dp[j][i], dp[j][i-1]);
else if(a[i] < j && a[i] >= 1) dp[j][i] = max(dp[j][i], dp[j][i-1]);
else {
assert(a[i] == -1);
dp[j][i] = mx + c[j];
dp[j][i] = max(dp[j][i], dp[j][i-1]);
}
mx = max(mx, dp[j][i-1]);
}
for(int j=1; j<=n; j++) wow = max(wow, dp[j][i]);
cout << wow << " \n"[i == n];
}
}
int32_t main() {
ios::sync_with_stdio(0);
cin.tie(0);
int t=1; //cin>>t;
for(int i=1; i<=t; i++) solve(i);
}
/*
g++ T2443.cpp -std=c++17 -O2 -o T2443
./T2443 < input.txt
*/
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
344 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
344 KB |
Output is correct |
9 |
Correct |
1 ms |
344 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
4700 KB |
Output is correct |
2 |
Correct |
82 ms |
63316 KB |
Output is correct |
3 |
Runtime error |
542 ms |
1048576 KB |
Execution killed with signal 9 |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
344 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
344 KB |
Output is correct |
9 |
Correct |
1 ms |
344 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
4956 KB |
Output is correct |
12 |
Correct |
2 ms |
4956 KB |
Output is correct |
13 |
Correct |
3 ms |
4956 KB |
Output is correct |
14 |
Correct |
2 ms |
2396 KB |
Output is correct |
15 |
Correct |
1 ms |
2396 KB |
Output is correct |
16 |
Correct |
1 ms |
4700 KB |
Output is correct |
17 |
Correct |
1 ms |
2392 KB |
Output is correct |
18 |
Correct |
1 ms |
348 KB |
Output is correct |
19 |
Correct |
1 ms |
344 KB |
Output is correct |
20 |
Correct |
1 ms |
2396 KB |
Output is correct |
21 |
Correct |
1 ms |
4700 KB |
Output is correct |
22 |
Correct |
1 ms |
4700 KB |
Output is correct |
23 |
Correct |
2 ms |
4700 KB |
Output is correct |
24 |
Correct |
1 ms |
4700 KB |
Output is correct |
25 |
Correct |
2 ms |
2508 KB |
Output is correct |
26 |
Correct |
1 ms |
348 KB |
Output is correct |
27 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
344 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
344 KB |
Output is correct |
9 |
Correct |
1 ms |
344 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
4956 KB |
Output is correct |
12 |
Correct |
2 ms |
4956 KB |
Output is correct |
13 |
Correct |
3 ms |
4956 KB |
Output is correct |
14 |
Correct |
2 ms |
2396 KB |
Output is correct |
15 |
Correct |
1 ms |
2396 KB |
Output is correct |
16 |
Correct |
1 ms |
4700 KB |
Output is correct |
17 |
Correct |
1 ms |
2392 KB |
Output is correct |
18 |
Correct |
1 ms |
348 KB |
Output is correct |
19 |
Correct |
1 ms |
344 KB |
Output is correct |
20 |
Correct |
1 ms |
2396 KB |
Output is correct |
21 |
Correct |
1 ms |
4700 KB |
Output is correct |
22 |
Correct |
1 ms |
4700 KB |
Output is correct |
23 |
Correct |
2 ms |
4700 KB |
Output is correct |
24 |
Correct |
1 ms |
4700 KB |
Output is correct |
25 |
Correct |
2 ms |
2508 KB |
Output is correct |
26 |
Correct |
1 ms |
348 KB |
Output is correct |
27 |
Correct |
1 ms |
348 KB |
Output is correct |
28 |
Correct |
84 ms |
63316 KB |
Output is correct |
29 |
Correct |
82 ms |
63316 KB |
Output is correct |
30 |
Correct |
92 ms |
63156 KB |
Output is correct |
31 |
Correct |
16 ms |
23640 KB |
Output is correct |
32 |
Correct |
23 ms |
23128 KB |
Output is correct |
33 |
Correct |
50 ms |
41508 KB |
Output is correct |
34 |
Correct |
63 ms |
50120 KB |
Output is correct |
35 |
Correct |
47 ms |
41560 KB |
Output is correct |
36 |
Correct |
1 ms |
344 KB |
Output is correct |
37 |
Correct |
1 ms |
2396 KB |
Output is correct |
38 |
Correct |
56 ms |
52044 KB |
Output is correct |
39 |
Correct |
64 ms |
45740 KB |
Output is correct |
40 |
Correct |
66 ms |
54060 KB |
Output is correct |
41 |
Correct |
68 ms |
56412 KB |
Output is correct |
42 |
Correct |
81 ms |
57428 KB |
Output is correct |
43 |
Correct |
67 ms |
57936 KB |
Output is correct |
44 |
Correct |
81 ms |
58204 KB |
Output is correct |
45 |
Correct |
88 ms |
63572 KB |
Output is correct |
46 |
Correct |
77 ms |
63316 KB |
Output is correct |
47 |
Correct |
1 ms |
348 KB |
Output is correct |
48 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
572 ms |
1048576 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
344 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
344 KB |
Output is correct |
9 |
Correct |
1 ms |
344 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
2 ms |
4700 KB |
Output is correct |
12 |
Correct |
82 ms |
63316 KB |
Output is correct |
13 |
Runtime error |
542 ms |
1048576 KB |
Execution killed with signal 9 |
14 |
Halted |
0 ms |
0 KB |
- |