Submission #1002834

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1002834	2024-06-19T20:24:10 Z	mariaclara	Cigle (COI21_cigle)	C++17	100 / 100	195 ms	134596 KB

cigle

#include<bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef pair<int,int> pii;
const int MAXN = 1e5+5;
#define all(x) x.begin(), x.end()
#define sz(x) (int)x.size()
#define pb push_back
#define fr first
#define sc second

int n, v[5005], dp[5005][5005], max_dp[5005][5005], pref[5005]; // max_dp[i][j] =  max{dp[1][j], dp[2][j], ..., dp[i][j]}
int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);

    cin >> n;

    for(int i = 1; i <= n; i++)
        cin >> v[i], pref[i] = pref[i-1] + v[i];

    // l ... r
    // l-1 ... k
    
    for(int l = 1; l <= n; l++) {
        dp[l][l] = max_dp[l-1][l-1];

        int cnt = 0;
        for(int r = l, k = l-1; r <= n; r++) {
            if(r > l) dp[l][r] = dp[l][r-1];
            if(k >= 1) dp[l][r] = max(dp[l][r], max_dp[k][l-1] + cnt);

            while(k >= 1 and pref[l-1] - pref[k-1] < pref[r] - pref[l-1]) k--;
            if(k >= 1 and pref[l-1] - pref[k-1] == pref[r] - pref[l-1]) cnt++, k--;
        }

        for(int k = 1; k <= l; k++)
            max_dp[k][l] = max(dp[k][l], max_dp[k-1][l]);
    }

    cout << max_dp[n][n] << "\n";
}

Subtask #1
9.0 / 9.0

#	Verdict	Memory	Grader output
1	Correct	604 KB	Output is correct
2	Correct	604 KB	Output is correct
3	Correct	604 KB	Output is correct
4	Correct	604 KB	Output is correct
5	Correct	604 KB	Output is correct
6	Correct	604 KB	Output is correct
7	Correct	604 KB	Output is correct
8	Correct	604 KB	Output is correct
9	Correct	604 KB	Output is correct

Subtask #2
11.0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	604 KB	Output is correct
2	Correct	0 ms	604 KB	Output is correct
3	Correct	0 ms	604 KB	Output is correct
4	Correct	0 ms	604 KB	Output is correct
5	Correct	0 ms	604 KB	Output is correct
6	Correct	0 ms	604 KB	Output is correct
7	Correct	0 ms	604 KB	Output is correct
8	Correct	0 ms	604 KB	Output is correct
9	Correct	0 ms	604 KB	Output is correct
10	Correct	1 ms	1116 KB	Output is correct
11	Correct	1 ms	984 KB	Output is correct
12	Correct	0 ms	1116 KB	Output is correct
13	Correct	0 ms	1116 KB	Output is correct
14	Correct	1 ms	1116 KB	Output is correct
15	Correct	0 ms	1116 KB	Output is correct
16	Correct	0 ms	1116 KB	Output is correct
17	Correct	0 ms	1116 KB	Output is correct
18	Correct	1 ms	1116 KB	Output is correct
19	Correct	1 ms	1116 KB	Output is correct
20	Correct	0 ms	1116 KB	Output is correct

Subtask #3
13.0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	5468 KB	Output is correct
2	Correct	2 ms	5468 KB	Output is correct
3	Correct	2 ms	5468 KB	Output is correct
4	Correct	2 ms	5332 KB	Output is correct
5	Correct	2 ms	5316 KB	Output is correct
6	Correct	2 ms	5464 KB	Output is correct
7	Correct	3 ms	5464 KB	Output is correct
8	Correct	4 ms	5468 KB	Output is correct
9	Correct	4 ms	5468 KB	Output is correct
10	Correct	2 ms	5468 KB	Output is correct
11	Correct	2 ms	5468 KB	Output is correct
12	Correct	2 ms	5468 KB	Output is correct

Subtask #4
15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	604 KB	Output is correct
2	Correct	0 ms	604 KB	Output is correct
3	Correct	0 ms	604 KB	Output is correct
4	Correct	0 ms	604 KB	Output is correct
5	Correct	0 ms	604 KB	Output is correct
6	Correct	0 ms	604 KB	Output is correct
7	Correct	0 ms	604 KB	Output is correct
8	Correct	0 ms	604 KB	Output is correct
9	Correct	0 ms	604 KB	Output is correct
10	Correct	1 ms	1116 KB	Output is correct
11	Correct	1 ms	984 KB	Output is correct
12	Correct	0 ms	1116 KB	Output is correct
13	Correct	0 ms	1116 KB	Output is correct
14	Correct	1 ms	1116 KB	Output is correct
15	Correct	0 ms	1116 KB	Output is correct
16	Correct	0 ms	1116 KB	Output is correct
17	Correct	0 ms	1116 KB	Output is correct
18	Correct	1 ms	1116 KB	Output is correct
19	Correct	1 ms	1116 KB	Output is correct
20	Correct	0 ms	1116 KB	Output is correct
21	Correct	2 ms	5468 KB	Output is correct
22	Correct	2 ms	5468 KB	Output is correct
23	Correct	2 ms	5468 KB	Output is correct
24	Correct	2 ms	5332 KB	Output is correct
25	Correct	2 ms	5316 KB	Output is correct
26	Correct	2 ms	5464 KB	Output is correct
27	Correct	3 ms	5464 KB	Output is correct
28	Correct	4 ms	5468 KB	Output is correct
29	Correct	4 ms	5468 KB	Output is correct
30	Correct	2 ms	5468 KB	Output is correct
31	Correct	2 ms	5468 KB	Output is correct
32	Correct	2 ms	5468 KB	Output is correct
33	Correct	2 ms	5484 KB	Output is correct
34	Correct	2 ms	5468 KB	Output is correct
35	Correct	2 ms	5468 KB	Output is correct
36	Correct	2 ms	5468 KB	Output is correct
37	Correct	3 ms	5468 KB	Output is correct
38	Correct	3 ms	5464 KB	Output is correct
39	Correct	3 ms	5468 KB	Output is correct
40	Correct	3 ms	5328 KB	Output is correct
41	Correct	4 ms	5468 KB	Output is correct
42	Correct	3 ms	5468 KB	Output is correct
43	Correct	2 ms	5468 KB	Output is correct
44	Correct	3 ms	5468 KB	Output is correct
45	Correct	3 ms	5264 KB	Output is correct
46	Correct	3 ms	5464 KB	Output is correct
47	Correct	3 ms	5392 KB	Output is correct
48	Correct	3 ms	5464 KB	Output is correct
49	Correct	2 ms	5468 KB	Output is correct

Subtask #5
52.0 / 52.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	604 KB	Output is correct
2	Correct	0 ms	604 KB	Output is correct
3	Correct	0 ms	604 KB	Output is correct
4	Correct	0 ms	604 KB	Output is correct
5	Correct	0 ms	604 KB	Output is correct
6	Correct	0 ms	604 KB	Output is correct
7	Correct	0 ms	604 KB	Output is correct
8	Correct	0 ms	604 KB	Output is correct
9	Correct	0 ms	604 KB	Output is correct
10	Correct	1 ms	1116 KB	Output is correct
11	Correct	1 ms	984 KB	Output is correct
12	Correct	0 ms	1116 KB	Output is correct
13	Correct	0 ms	1116 KB	Output is correct
14	Correct	1 ms	1116 KB	Output is correct
15	Correct	0 ms	1116 KB	Output is correct
16	Correct	0 ms	1116 KB	Output is correct
17	Correct	0 ms	1116 KB	Output is correct
18	Correct	1 ms	1116 KB	Output is correct
19	Correct	1 ms	1116 KB	Output is correct
20	Correct	0 ms	1116 KB	Output is correct
21	Correct	2 ms	5468 KB	Output is correct
22	Correct	2 ms	5468 KB	Output is correct
23	Correct	2 ms	5468 KB	Output is correct
24	Correct	2 ms	5332 KB	Output is correct
25	Correct	2 ms	5316 KB	Output is correct
26	Correct	2 ms	5464 KB	Output is correct
27	Correct	3 ms	5464 KB	Output is correct
28	Correct	4 ms	5468 KB	Output is correct
29	Correct	4 ms	5468 KB	Output is correct
30	Correct	2 ms	5468 KB	Output is correct
31	Correct	2 ms	5468 KB	Output is correct
32	Correct	2 ms	5468 KB	Output is correct
33	Correct	2 ms	5484 KB	Output is correct
34	Correct	2 ms	5468 KB	Output is correct
35	Correct	2 ms	5468 KB	Output is correct
36	Correct	2 ms	5468 KB	Output is correct
37	Correct	3 ms	5468 KB	Output is correct
38	Correct	3 ms	5464 KB	Output is correct
39	Correct	3 ms	5468 KB	Output is correct
40	Correct	3 ms	5328 KB	Output is correct
41	Correct	4 ms	5468 KB	Output is correct
42	Correct	3 ms	5468 KB	Output is correct
43	Correct	2 ms	5468 KB	Output is correct
44	Correct	3 ms	5468 KB	Output is correct
45	Correct	3 ms	5264 KB	Output is correct
46	Correct	3 ms	5464 KB	Output is correct
47	Correct	3 ms	5392 KB	Output is correct
48	Correct	3 ms	5464 KB	Output is correct
49	Correct	2 ms	5468 KB	Output is correct
50	Correct	153 ms	134228 KB	Output is correct
51	Correct	149 ms	134224 KB	Output is correct
52	Correct	166 ms	134224 KB	Output is correct
53	Correct	163 ms	134436 KB	Output is correct
54	Correct	191 ms	134372 KB	Output is correct
55	Correct	155 ms	134224 KB	Output is correct
56	Correct	176 ms	134324 KB	Output is correct
57	Correct	174 ms	134224 KB	Output is correct
58	Correct	192 ms	134340 KB	Output is correct
59	Correct	187 ms	134224 KB	Output is correct
60	Correct	182 ms	134228 KB	Output is correct
61	Correct	169 ms	134228 KB	Output is correct
62	Correct	153 ms	134228 KB	Output is correct
63	Correct	153 ms	134228 KB	Output is correct
64	Correct	155 ms	134224 KB	Output is correct
65	Correct	172 ms	134448 KB	Output is correct
66	Correct	195 ms	134416 KB	Output is correct
67	Correct	154 ms	134228 KB	Output is correct
68	Correct	162 ms	134260 KB	Output is correct
69	Correct	147 ms	134224 KB	Output is correct
70	Correct	175 ms	134224 KB	Output is correct
71	Correct	192 ms	134596 KB	Output is correct
72	Correct	177 ms	134220 KB	Output is correct

Submission #1002834

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 52.0 / 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
52.0 / 52.0