oj.uz

Submission #987540

# Submission time Handle Problem Language Result Execution time Memory
987540 2024-05-23T01:46:51 Z cig32 Fruits (NOI22_fruits) C++17
30 / 100
 572 ms 1048576 KB 
#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
*/

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory 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

Subtask #2
0 / 5.0

# Verdict Execution time Memory 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 -

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory 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

Subtask #4
13.0 / 13.0

# Verdict Execution time Memory 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

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Runtime error 572 ms 1048576 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #6
0 / 42.0

# Verdict Execution time Memory 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 -