답안 #818128

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
818128	2023-08-10T02:37:38 Z	BamshooT	Feast (NOI19_feast)	C++14	71 / 100	1000 ms	34460 KB

feast

#include <iostream>
#include <algorithm>
#include <cstring>

#define FOR(i, a, b) for (int i = (a); i <= (b); ++i)
#define ll long long
#define inf 1e18

using namespace std;

struct dt{
    ll t, c;
    bool operator < (const dt &x) const{
        return (t > x.t);
    }
};

const int N = 3e5 + 9;
int n, k, t, p;
ll dp[2009][2009], a[N], pre[N], res, cur;


int main(){
    ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
  //  freopen("nhap.inp", "r", stdin);
  //  freopen("xuat.out", "w", stdout);
    cin >> n >> k;
    FOR(i, 1, n) {
        cin >> a[i];
        t += (a[i] < 0);
        if (a[i] < 0) p = i;
        pre[i] = pre[i-1] + a[i];
        res = max(res, pre[i] - cur);
        cur = min(cur, pre[i]);
    }
    if (t == 0){
        cout << pre[n]; return 0;
    }
    if (k == 1) {
        cout << res; return 0;
    }
    if (t == 1) {
        cout << pre[n] - a[p];
        return 0;
    }
    FOR(i, 1, k) {
        ll cur = 0;
        FOR(j, 1, n) {
            cur = max(cur, dp[i-1][j] - pre[j]);
            dp[i][j] = max(dp[i][j-1], pre[j] + cur);
        }
    }
    cout <<dp[k][n];
    return 0;
}

Subtask #1
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	23 ms	4816 KB	Output is correct
2	Correct	27 ms	4908 KB	Output is correct
3	Correct	27 ms	4976 KB	Output is correct
4	Correct	25 ms	4872 KB	Output is correct
5	Correct	28 ms	4844 KB	Output is correct
6	Correct	23 ms	4808 KB	Output is correct
7	Correct	23 ms	4820 KB	Output is correct
8	Correct	23 ms	4868 KB	Output is correct
9	Correct	22 ms	4788 KB	Output is correct
10	Correct	25 ms	4924 KB	Output is correct

Subtask #2
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	15 ms	4820 KB	Output is correct
2	Correct	16 ms	4948 KB	Output is correct
3	Correct	15 ms	4812 KB	Output is correct
4	Correct	15 ms	4944 KB	Output is correct
5	Correct	24 ms	7672 KB	Output is correct
6	Correct	16 ms	5972 KB	Output is correct
7	Correct	16 ms	6092 KB	Output is correct
8	Correct	25 ms	7756 KB	Output is correct
9	Correct	24 ms	7628 KB	Output is correct
10	Correct	16 ms	6100 KB	Output is correct

Subtask #3
18.0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Correct	25 ms	4852 KB	Output is correct
2	Correct	27 ms	7860 KB	Output is correct
3	Correct	27 ms	7868 KB	Output is correct
4	Correct	27 ms	7884 KB	Output is correct
5	Correct	27 ms	7940 KB	Output is correct
6	Correct	28 ms	7960 KB	Output is correct
7	Correct	29 ms	8024 KB	Output is correct
8	Correct	34 ms	7864 KB	Output is correct
9	Correct	27 ms	8056 KB	Output is correct
10	Correct	28 ms	8036 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	메모리	Grader output
1	Correct	212 KB	Output is correct
2	Correct	596 KB	Output is correct
3	Correct	340 KB	Output is correct
4	Correct	340 KB	Output is correct
5	Correct	340 KB	Output is correct
6	Correct	340 KB	Output is correct
7	Correct	340 KB	Output is correct
8	Correct	340 KB	Output is correct
9	Correct	212 KB	Output is correct
10	Correct	340 KB	Output is correct

Subtask #5
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	596 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	0 ms	340 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	0 ms	340 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	340 KB	Output is correct
11	Correct	1 ms	468 KB	Output is correct
12	Correct	1 ms	724 KB	Output is correct
13	Correct	0 ms	468 KB	Output is correct
14	Correct	0 ms	596 KB	Output is correct
15	Correct	0 ms	468 KB	Output is correct
16	Correct	0 ms	468 KB	Output is correct
17	Correct	1 ms	576 KB	Output is correct
18	Correct	0 ms	340 KB	Output is correct
19	Correct	0 ms	340 KB	Output is correct
20	Correct	0 ms	340 KB	Output is correct

Subtask #6
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	596 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	0 ms	340 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	0 ms	340 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	340 KB	Output is correct
11	Correct	1 ms	468 KB	Output is correct
12	Correct	1 ms	724 KB	Output is correct
13	Correct	0 ms	468 KB	Output is correct
14	Correct	0 ms	596 KB	Output is correct
15	Correct	0 ms	468 KB	Output is correct
16	Correct	0 ms	468 KB	Output is correct
17	Correct	1 ms	576 KB	Output is correct
18	Correct	0 ms	340 KB	Output is correct
19	Correct	0 ms	340 KB	Output is correct
20	Correct	0 ms	340 KB	Output is correct
21	Correct	3 ms	3412 KB	Output is correct
22	Correct	14 ms	26900 KB	Output is correct
23	Correct	3 ms	6356 KB	Output is correct
24	Correct	2 ms	3668 KB	Output is correct
25	Correct	3 ms	4928 KB	Output is correct
26	Correct	2 ms	3120 KB	Output is correct
27	Correct	3 ms	4692 KB	Output is correct
28	Correct	1 ms	852 KB	Output is correct
29	Correct	1 ms	724 KB	Output is correct
30	Correct	1 ms	340 KB	Output is correct

Subtask #7
0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	23 ms	4816 KB	Output is correct
2	Correct	27 ms	4908 KB	Output is correct
3	Correct	27 ms	4976 KB	Output is correct
4	Correct	25 ms	4872 KB	Output is correct
5	Correct	28 ms	4844 KB	Output is correct
6	Correct	23 ms	4808 KB	Output is correct
7	Correct	23 ms	4820 KB	Output is correct
8	Correct	23 ms	4868 KB	Output is correct
9	Correct	22 ms	4788 KB	Output is correct
10	Correct	25 ms	4924 KB	Output is correct
11	Correct	15 ms	4820 KB	Output is correct
12	Correct	16 ms	4948 KB	Output is correct
13	Correct	15 ms	4812 KB	Output is correct
14	Correct	15 ms	4944 KB	Output is correct
15	Correct	24 ms	7672 KB	Output is correct
16	Correct	16 ms	5972 KB	Output is correct
17	Correct	16 ms	6092 KB	Output is correct
18	Correct	25 ms	7756 KB	Output is correct
19	Correct	24 ms	7628 KB	Output is correct
20	Correct	16 ms	6100 KB	Output is correct
21	Correct	25 ms	4852 KB	Output is correct
22	Correct	27 ms	7860 KB	Output is correct
23	Correct	27 ms	7868 KB	Output is correct
24	Correct	27 ms	7884 KB	Output is correct
25	Correct	27 ms	7940 KB	Output is correct
26	Correct	28 ms	7960 KB	Output is correct
27	Correct	29 ms	8024 KB	Output is correct
28	Correct	34 ms	7864 KB	Output is correct
29	Correct	27 ms	8056 KB	Output is correct
30	Correct	28 ms	8036 KB	Output is correct
31	Correct	0 ms	212 KB	Output is correct
32	Correct	0 ms	596 KB	Output is correct
33	Correct	0 ms	340 KB	Output is correct
34	Correct	0 ms	340 KB	Output is correct
35	Correct	0 ms	340 KB	Output is correct
36	Correct	0 ms	340 KB	Output is correct
37	Correct	0 ms	340 KB	Output is correct
38	Correct	0 ms	340 KB	Output is correct
39	Correct	0 ms	212 KB	Output is correct
40	Correct	0 ms	340 KB	Output is correct
41	Correct	1 ms	468 KB	Output is correct
42	Correct	1 ms	724 KB	Output is correct
43	Correct	0 ms	468 KB	Output is correct
44	Correct	0 ms	596 KB	Output is correct
45	Correct	0 ms	468 KB	Output is correct
46	Correct	0 ms	468 KB	Output is correct
47	Correct	1 ms	576 KB	Output is correct
48	Correct	0 ms	340 KB	Output is correct
49	Correct	0 ms	340 KB	Output is correct
50	Correct	0 ms	340 KB	Output is correct
51	Correct	3 ms	3412 KB	Output is correct
52	Correct	14 ms	26900 KB	Output is correct
53	Correct	3 ms	6356 KB	Output is correct
54	Correct	2 ms	3668 KB	Output is correct
55	Correct	3 ms	4928 KB	Output is correct
56	Correct	2 ms	3120 KB	Output is correct
57	Correct	3 ms	4692 KB	Output is correct
58	Correct	1 ms	852 KB	Output is correct
59	Correct	1 ms	724 KB	Output is correct
60	Correct	1 ms	340 KB	Output is correct
61	Execution timed out	1072 ms	34460 KB	Time limit exceeded
62	Halted	0 ms	0 KB	-

답안 #818128

Compilation message

Subtask #1 4.0 / 4.0

Subtask #2 8.0 / 8.0

Subtask #3 18.0 / 18.0

Subtask #4 10.0 / 10.0

Subtask #5 11.0 / 11.0

Subtask #6 20.0 / 20.0

Subtask #7 0 / 29.0

Subtask #1
4.0 / 4.0

Subtask #2
8.0 / 8.0

Subtask #3
18.0 / 18.0

Subtask #4
10.0 / 10.0

Subtask #5
11.0 / 11.0

Subtask #6
20.0 / 20.0

Subtask #7
0 / 29.0