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Submission #1116259

# Submission time Handle Problem Language Result Execution time Memory
1116259 2024-11-21T11:45:04 Z epicci23 Cigle (COI21_cigle) C++17
100 / 100
 547 ms 392776 KB 
#include "bits/stdc++.h"
#define int long long
#define all(v) v.begin() , v.end()
#define sz(a) (int)a.size()
using namespace std;

void _(){
 int n; cin >> n;
 int ar[n+5];
 for(int i=1;i<=n;i++) cin >> ar[i];
 
 int pre[n+5][n+5],dp[n+5][n+5];
 memset(dp,0,sizeof(dp));
 memset(pre,0,sizeof(pre));

 for(int i = 1; i <= n; i++){
   int p = i, cur = 0, cost = 0, _p = i - 1, cur2 = 0;
   vector<int> suf(n+5,0);
   while(p <= n){
   	while(_p > 1 && cur2 < cur) cur2 += ar[_p--];
    if(cur > 0 && cur == cur2) cost++;
   	cur += ar[p];
    // cout << i << ' ' << p << ' ' << cost << '\n';
    dp[i][p] = max(dp[i][p], pre[_p][i-1] + cost);
    suf[p] = max(pre[_p][i-1] + cost, suf[p]);
    p++;
   }
   for(int j = i; j <= n; j++) suf[j] = max(suf[j - 1], suf[j]);
   for(int j = i; j <= n; j++) dp[i][j] = max(dp[i][j], suf[j]);
   for(int j = 1; j <= i; j++) pre[j][i] = max(pre[j-1][i], dp[j][i]);
 }

 int ans = 0;
 for(int i=1;i<=n;i++) ans = max(ans, dp[i][n]);

 cout << ans << '\n';
}

int32_t main(){
  cin.tie(0); ios::sync_with_stdio(0);
  int tc=1;//cin >> tc;
  while(tc--) _();
  return 0;
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 504 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 504 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 1 ms 336 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 4432 KB Output is correct
2 Correct 5 ms 4432 KB Output is correct
3 Correct 5 ms 4432 KB Output is correct
4 Correct 5 ms 4432 KB Output is correct
5 Correct 5 ms 4424 KB Output is correct
6 Correct 5 ms 4432 KB Output is correct
7 Correct 6 ms 4432 KB Output is correct
8 Correct 6 ms 4600 KB Output is correct
9 Correct 5 ms 4432 KB Output is correct
10 Correct 5 ms 4432 KB Output is correct
11 Correct 6 ms 4432 KB Output is correct
12 Correct 6 ms 4432 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 504 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 5 ms 4432 KB Output is correct
22 Correct 5 ms 4432 KB Output is correct
23 Correct 5 ms 4432 KB Output is correct
24 Correct 5 ms 4432 KB Output is correct
25 Correct 5 ms 4424 KB Output is correct
26 Correct 5 ms 4432 KB Output is correct
27 Correct 6 ms 4432 KB Output is correct
28 Correct 6 ms 4600 KB Output is correct
29 Correct 5 ms 4432 KB Output is correct
30 Correct 5 ms 4432 KB Output is correct
31 Correct 6 ms 4432 KB Output is correct
32 Correct 6 ms 4432 KB Output is correct
33 Correct 5 ms 4432 KB Output is correct
34 Correct 5 ms 4432 KB Output is correct
35 Correct 6 ms 4432 KB Output is correct
36 Correct 5 ms 4600 KB Output is correct
37 Correct 7 ms 4432 KB Output is correct
38 Correct 5 ms 4432 KB Output is correct
39 Correct 6 ms 4432 KB Output is correct
40 Correct 6 ms 4428 KB Output is correct
41 Correct 5 ms 4432 KB Output is correct
42 Correct 5 ms 4432 KB Output is correct
43 Correct 6 ms 4432 KB Output is correct
44 Correct 6 ms 4432 KB Output is correct
45 Correct 5 ms 4432 KB Output is correct
46 Correct 6 ms 4240 KB Output is correct
47 Correct 6 ms 4432 KB Output is correct
48 Correct 5 ms 4432 KB Output is correct
49 Correct 6 ms 4432 KB Output is correct

Subtask #5
52.0 / 52.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 504 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 5 ms 4432 KB Output is correct
22 Correct 5 ms 4432 KB Output is correct
23 Correct 5 ms 4432 KB Output is correct
24 Correct 5 ms 4432 KB Output is correct
25 Correct 5 ms 4424 KB Output is correct
26 Correct 5 ms 4432 KB Output is correct
27 Correct 6 ms 4432 KB Output is correct
28 Correct 6 ms 4600 KB Output is correct
29 Correct 5 ms 4432 KB Output is correct
30 Correct 5 ms 4432 KB Output is correct
31 Correct 6 ms 4432 KB Output is correct
32 Correct 6 ms 4432 KB Output is correct
33 Correct 5 ms 4432 KB Output is correct
34 Correct 5 ms 4432 KB Output is correct
35 Correct 6 ms 4432 KB Output is correct
36 Correct 5 ms 4600 KB Output is correct
37 Correct 7 ms 4432 KB Output is correct
38 Correct 5 ms 4432 KB Output is correct
39 Correct 6 ms 4432 KB Output is correct
40 Correct 6 ms 4428 KB Output is correct
41 Correct 5 ms 4432 KB Output is correct
42 Correct 5 ms 4432 KB Output is correct
43 Correct 6 ms 4432 KB Output is correct
44 Correct 6 ms 4432 KB Output is correct
45 Correct 5 ms 4432 KB Output is correct
46 Correct 6 ms 4240 KB Output is correct
47 Correct 6 ms 4432 KB Output is correct
48 Correct 5 ms 4432 KB Output is correct
49 Correct 6 ms 4432 KB Output is correct
50 Correct 506 ms 392588 KB Output is correct
51 Correct 509 ms 392524 KB Output is correct
52 Correct 493 ms 392564 KB Output is correct
53 Correct 483 ms 392520 KB Output is correct
54 Correct 474 ms 392652 KB Output is correct
55 Correct 472 ms 392520 KB Output is correct
56 Correct 547 ms 392472 KB Output is correct
57 Correct 531 ms 392508 KB Output is correct
58 Correct 528 ms 392644 KB Output is correct
59 Correct 498 ms 392600 KB Output is correct
60 Correct 535 ms 392464 KB Output is correct
61 Correct 522 ms 392564 KB Output is correct
62 Correct 511 ms 392520 KB Output is correct
63 Correct 520 ms 392520 KB Output is correct
64 Correct 533 ms 392644 KB Output is correct
65 Correct 527 ms 392520 KB Output is correct
66 Correct 518 ms 392520 KB Output is correct
67 Correct 536 ms 392520 KB Output is correct
68 Correct 541 ms 392520 KB Output is correct
69 Correct 507 ms 392520 KB Output is correct
70 Correct 529 ms 392520 KB Output is correct
71 Correct 547 ms 392520 KB Output is correct
72 Correct 524 ms 392776 KB Output is correct