답안 #586083

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
586083	2022-06-29T20:13:11 Z	MilosMilutinovic	Cigle (COI21_cigle)	C++14	48 / 100	1000 ms	98572 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++) {
    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	1 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 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	0 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	1 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 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	0 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	12 ms	1236 KB	Output is correct
2	Correct	16 ms	1340 KB	Output is correct
3	Correct	14 ms	1308 KB	Output is correct
4	Correct	16 ms	1352 KB	Output is correct
5	Correct	17 ms	1236 KB	Output is correct
6	Correct	17 ms	1332 KB	Output is correct
7	Correct	14 ms	1236 KB	Output is correct
8	Correct	15 ms	1352 KB	Output is correct
9	Correct	14 ms	1236 KB	Output is correct
10	Correct	13 ms	1356 KB	Output is correct
11	Correct	12 ms	1236 KB	Output is correct
12	Correct	12 ms	1348 KB	Output is correct

Subtask #4
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 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	0 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	12 ms	1236 KB	Output is correct
22	Correct	16 ms	1340 KB	Output is correct
23	Correct	14 ms	1308 KB	Output is correct
24	Correct	16 ms	1352 KB	Output is correct
25	Correct	17 ms	1236 KB	Output is correct
26	Correct	17 ms	1332 KB	Output is correct
27	Correct	14 ms	1236 KB	Output is correct
28	Correct	15 ms	1352 KB	Output is correct
29	Correct	14 ms	1236 KB	Output is correct
30	Correct	13 ms	1356 KB	Output is correct
31	Correct	12 ms	1236 KB	Output is correct
32	Correct	12 ms	1348 KB	Output is correct
33	Correct	15 ms	1236 KB	Output is correct
34	Correct	12 ms	1236 KB	Output is correct
35	Correct	13 ms	1236 KB	Output is correct
36	Correct	14 ms	1236 KB	Output is correct
37	Correct	13 ms	1344 KB	Output is correct
38	Correct	14 ms	1356 KB	Output is correct
39	Correct	12 ms	1344 KB	Output is correct
40	Correct	14 ms	1360 KB	Output is correct
41	Correct	12 ms	1360 KB	Output is correct
42	Correct	11 ms	1236 KB	Output is correct
43	Correct	11 ms	1236 KB	Output is correct
44	Correct	11 ms	1236 KB	Output is correct
45	Correct	11 ms	1344 KB	Output is correct
46	Correct	11 ms	1340 KB	Output is correct
47	Correct	13 ms	1236 KB	Output is correct
48	Correct	12 ms	1352 KB	Output is correct
49	Correct	14 ms	1340 KB	Output is correct

Subtask #5
0 / 52.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 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	0 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	12 ms	1236 KB	Output is correct
22	Correct	16 ms	1340 KB	Output is correct
23	Correct	14 ms	1308 KB	Output is correct
24	Correct	16 ms	1352 KB	Output is correct
25	Correct	17 ms	1236 KB	Output is correct
26	Correct	17 ms	1332 KB	Output is correct
27	Correct	14 ms	1236 KB	Output is correct
28	Correct	15 ms	1352 KB	Output is correct
29	Correct	14 ms	1236 KB	Output is correct
30	Correct	13 ms	1356 KB	Output is correct
31	Correct	12 ms	1236 KB	Output is correct
32	Correct	12 ms	1348 KB	Output is correct
33	Correct	15 ms	1236 KB	Output is correct
34	Correct	12 ms	1236 KB	Output is correct
35	Correct	13 ms	1236 KB	Output is correct
36	Correct	14 ms	1236 KB	Output is correct
37	Correct	13 ms	1344 KB	Output is correct
38	Correct	14 ms	1356 KB	Output is correct
39	Correct	12 ms	1344 KB	Output is correct
40	Correct	14 ms	1360 KB	Output is correct
41	Correct	12 ms	1360 KB	Output is correct
42	Correct	11 ms	1236 KB	Output is correct
43	Correct	11 ms	1236 KB	Output is correct
44	Correct	11 ms	1236 KB	Output is correct
45	Correct	11 ms	1344 KB	Output is correct
46	Correct	11 ms	1340 KB	Output is correct
47	Correct	13 ms	1236 KB	Output is correct
48	Correct	12 ms	1352 KB	Output is correct
49	Correct	14 ms	1340 KB	Output is correct
50	Execution timed out	1099 ms	98572 KB	Time limit exceeded
51	Halted	0 ms	0 KB	-

답안 #586083

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