답안 #586084

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
586084	2022-06-29T20:13:38 Z	MilosMilutinovic	Cigle (COI21_cigle)	C++14	48 / 100	1000 ms	98644 KB

cigle

/**
 *    author:  wxhtzdy
 *    created: 29.06.2022 21:43:16
**/
#include <bits/stdc++.h>
 
using namespace std;
 
int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);  
  int n;
  cin >> n;
  vector<int> a(n);
  for (int i = 0; i < n; i++) {
    cin >> a[i];
  }
  vector<long long> pref(n + 1);
  for (int i = 0; i < n; i++) {
    pref[i + 1] = pref[i] + a[i];
  }
  vector<vector<int>> dp(n + 1, vector<int>(n + 1));
  for (int l = 1; l <= n; l++) {
    unordered_map<long long, int> pos;
    for (int i = 1; i < l; i++) {
      pos[pref[l - 1] - pref[i - 1]] = i;
    }
    vector<int> pref_mx(n + 1);
    for (int i = 0; i < l; i++) {
      pref_mx[i + 1] = max(pref_mx[i], dp[i][l - 1]);
    }
    int ft = 0;
    for (int r = l; r <= n; r++) {
      dp[l][r] = dp[l][r - 1];
      if (l < r) {
        long long s = pref[r - 1] - pref[l - 1];
        if (pos.count(s) && pos[s] != 1) { 
          ft += 1;
          dp[l][r] = max(dp[l][r], ft + pref_mx[pos[s]]);
        }
      }
    }
  }
  int ans = 0;
  for (int i = 1; i <= n; i++) {
    ans = max(ans, dp[i][n]);
  }              
  cout << ans << '\n';
  return 0;
}

Subtask #1
9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct

Subtask #2
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct

Subtask #3
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	10 ms	1328 KB	Output is correct
2	Correct	10 ms	1332 KB	Output is correct
3	Correct	10 ms	1336 KB	Output is correct
4	Correct	14 ms	1364 KB	Output is correct
5	Correct	12 ms	1236 KB	Output is correct
6	Correct	13 ms	1336 KB	Output is correct
7	Correct	13 ms	1236 KB	Output is correct
8	Correct	11 ms	1336 KB	Output is correct
9	Correct	12 ms	1344 KB	Output is correct
10	Correct	12 ms	1328 KB	Output is correct
11	Correct	11 ms	1236 KB	Output is correct
12	Correct	11 ms	1236 KB	Output is correct

Subtask #4
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	10 ms	1328 KB	Output is correct
22	Correct	10 ms	1332 KB	Output is correct
23	Correct	10 ms	1336 KB	Output is correct
24	Correct	14 ms	1364 KB	Output is correct
25	Correct	12 ms	1236 KB	Output is correct
26	Correct	13 ms	1336 KB	Output is correct
27	Correct	13 ms	1236 KB	Output is correct
28	Correct	11 ms	1336 KB	Output is correct
29	Correct	12 ms	1344 KB	Output is correct
30	Correct	12 ms	1328 KB	Output is correct
31	Correct	11 ms	1236 KB	Output is correct
32	Correct	11 ms	1236 KB	Output is correct
33	Correct	10 ms	1340 KB	Output is correct
34	Correct	10 ms	1236 KB	Output is correct
35	Correct	10 ms	1344 KB	Output is correct
36	Correct	12 ms	1236 KB	Output is correct
37	Correct	11 ms	1236 KB	Output is correct
38	Correct	12 ms	1236 KB	Output is correct
39	Correct	13 ms	1236 KB	Output is correct
40	Correct	14 ms	1236 KB	Output is correct
41	Correct	13 ms	1336 KB	Output is correct
42	Correct	12 ms	1236 KB	Output is correct
43	Correct	12 ms	1236 KB	Output is correct
44	Correct	13 ms	1344 KB	Output is correct
45	Correct	12 ms	1328 KB	Output is correct
46	Correct	12 ms	1344 KB	Output is correct
47	Correct	13 ms	1236 KB	Output is correct
48	Correct	13 ms	1236 KB	Output is correct
49	Correct	13 ms	1236 KB	Output is correct

Subtask #5
0 / 52.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	10 ms	1328 KB	Output is correct
22	Correct	10 ms	1332 KB	Output is correct
23	Correct	10 ms	1336 KB	Output is correct
24	Correct	14 ms	1364 KB	Output is correct
25	Correct	12 ms	1236 KB	Output is correct
26	Correct	13 ms	1336 KB	Output is correct
27	Correct	13 ms	1236 KB	Output is correct
28	Correct	11 ms	1336 KB	Output is correct
29	Correct	12 ms	1344 KB	Output is correct
30	Correct	12 ms	1328 KB	Output is correct
31	Correct	11 ms	1236 KB	Output is correct
32	Correct	11 ms	1236 KB	Output is correct
33	Correct	10 ms	1340 KB	Output is correct
34	Correct	10 ms	1236 KB	Output is correct
35	Correct	10 ms	1344 KB	Output is correct
36	Correct	12 ms	1236 KB	Output is correct
37	Correct	11 ms	1236 KB	Output is correct
38	Correct	12 ms	1236 KB	Output is correct
39	Correct	13 ms	1236 KB	Output is correct
40	Correct	14 ms	1236 KB	Output is correct
41	Correct	13 ms	1336 KB	Output is correct
42	Correct	12 ms	1236 KB	Output is correct
43	Correct	12 ms	1236 KB	Output is correct
44	Correct	13 ms	1344 KB	Output is correct
45	Correct	12 ms	1328 KB	Output is correct
46	Correct	12 ms	1344 KB	Output is correct
47	Correct	13 ms	1236 KB	Output is correct
48	Correct	13 ms	1236 KB	Output is correct
49	Correct	13 ms	1236 KB	Output is correct
50	Correct	994 ms	98588 KB	Output is correct
51	Correct	986 ms	98644 KB	Output is correct
52	Execution timed out	1004 ms	98596 KB	Time limit exceeded
53	Halted	0 ms	0 KB	-

답안 #586084

Compilation message

Subtask #1 9.0 / 9.0

Subtask #2 11.0 / 11.0

Subtask #3 13.0 / 13.0

Subtask #4 15.0 / 15.0

Subtask #5 0 / 52.0

Subtask #1
9.0 / 9.0

Subtask #2
11.0 / 11.0

Subtask #3
13.0 / 13.0

Subtask #4
15.0 / 15.0

Subtask #5
0 / 52.0