답안 #1094226

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1094226	2024-09-29T03:55:37 Z	Trisanu_Das	Feast (NOI19_feast)	C++17	100 / 100	96 ms	10476 KB

feast

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define ff first
#define ss second
 
int n, k, a[300005];
pair<int, int> dp[300005];
 
pair<int, int> calc(int mid){
    pair<int, int> curr(0,0);
    for(int i = 1; i <= n; i++){
        dp[i] = max(dp[i - 1], {curr.ff + a[i] - mid, curr.ss + 1});
        curr = max(curr, {dp[i].ff - a[i], dp[i].ss});
    }
    return dp[n];
}
 
signed main(){
    ios_base::sync_with_stdio(false); cin.tie(0);
    cin >> n >> k;
    for(int i = 1; i <= n; i++) cin >> a[i];
    for(int i = 1; i <= n; i++) a[i] += a[i - 1];
    int l = 0, r = 3e14;
    while(l < r){
        int mid = (l + r + 1) / 2;
        if(calc(mid).ss >= k) l = mid;
        else r = mid - 1;
    }
    cout << calc(l).ff + l * k << '\n';
}

Subtask #1
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	40 ms	9888 KB	Output is correct
2	Correct	41 ms	10072 KB	Output is correct
3	Correct	41 ms	10200 KB	Output is correct
4	Correct	41 ms	10072 KB	Output is correct
5	Correct	43 ms	10068 KB	Output is correct
6	Correct	40 ms	10064 KB	Output is correct
7	Correct	40 ms	9876 KB	Output is correct
8	Correct	41 ms	10076 KB	Output is correct
9	Correct	40 ms	10076 KB	Output is correct
10	Correct	44 ms	10068 KB	Output is correct

Subtask #2
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	39 ms	8280 KB	Output is correct
2	Correct	45 ms	8540 KB	Output is correct
3	Correct	39 ms	8284 KB	Output is correct
4	Correct	36 ms	8280 KB	Output is correct
5	Correct	49 ms	10076 KB	Output is correct
6	Correct	40 ms	8408 KB	Output is correct
7	Correct	41 ms	8684 KB	Output is correct
8	Correct	60 ms	10332 KB	Output is correct
9	Correct	51 ms	10040 KB	Output is correct
10	Correct	36 ms	8540 KB	Output is correct

Subtask #3
18.0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Correct	65 ms	10320 KB	Output is correct
2	Correct	64 ms	10296 KB	Output is correct
3	Correct	63 ms	10324 KB	Output is correct
4	Correct	61 ms	10332 KB	Output is correct
5	Correct	65 ms	10332 KB	Output is correct
6	Correct	63 ms	10456 KB	Output is correct
7	Correct	64 ms	10320 KB	Output is correct
8	Correct	67 ms	10332 KB	Output is correct
9	Correct	63 ms	10332 KB	Output is correct
10	Correct	65 ms	10324 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	메모리	Grader output
1	Correct	344 KB	Output is correct
2	Correct	344 KB	Output is correct
3	Correct	348 KB	Output is correct
4	Correct	348 KB	Output is correct
5	Correct	468 KB	Output is correct
6	Correct	344 KB	Output is correct
7	Correct	344 KB	Output is correct
8	Correct	348 KB	Output is correct
9	Correct	348 KB	Output is correct
10	Correct	348 KB	Output is correct

Subtask #5
11.0 / 11.0

#	결과	메모리	Grader output
1	Correct	344 KB	Output is correct
2	Correct	344 KB	Output is correct
3	Correct	348 KB	Output is correct
4	Correct	348 KB	Output is correct
5	Correct	468 KB	Output is correct
6	Correct	344 KB	Output is correct
7	Correct	344 KB	Output is correct
8	Correct	348 KB	Output is correct
9	Correct	348 KB	Output is correct
10	Correct	348 KB	Output is correct
11	Correct	348 KB	Output is correct
12	Correct	344 KB	Output is correct
13	Correct	348 KB	Output is correct
14	Correct	348 KB	Output is correct
15	Correct	348 KB	Output is correct
16	Correct	348 KB	Output is correct
17	Correct	348 KB	Output is correct
18	Correct	348 KB	Output is correct
19	Correct	348 KB	Output is correct
20	Correct	344 KB	Output is correct

Subtask #6
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	468 KB	Output is correct
6	Correct	0 ms	344 KB	Output is correct
7	Correct	0 ms	344 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	344 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	344 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	1 ms	348 KB	Output is correct
27	Correct	1 ms	600 KB	Output is correct
28	Correct	1 ms	344 KB	Output is correct
29	Correct	1 ms	348 KB	Output is correct
30	Correct	1 ms	348 KB	Output is correct

Subtask #7
29.0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	40 ms	9888 KB	Output is correct
2	Correct	41 ms	10072 KB	Output is correct
3	Correct	41 ms	10200 KB	Output is correct
4	Correct	41 ms	10072 KB	Output is correct
5	Correct	43 ms	10068 KB	Output is correct
6	Correct	40 ms	10064 KB	Output is correct
7	Correct	40 ms	9876 KB	Output is correct
8	Correct	41 ms	10076 KB	Output is correct
9	Correct	40 ms	10076 KB	Output is correct
10	Correct	44 ms	10068 KB	Output is correct
11	Correct	39 ms	8280 KB	Output is correct
12	Correct	45 ms	8540 KB	Output is correct
13	Correct	39 ms	8284 KB	Output is correct
14	Correct	36 ms	8280 KB	Output is correct
15	Correct	49 ms	10076 KB	Output is correct
16	Correct	40 ms	8408 KB	Output is correct
17	Correct	41 ms	8684 KB	Output is correct
18	Correct	60 ms	10332 KB	Output is correct
19	Correct	51 ms	10040 KB	Output is correct
20	Correct	36 ms	8540 KB	Output is correct
21	Correct	65 ms	10320 KB	Output is correct
22	Correct	64 ms	10296 KB	Output is correct
23	Correct	63 ms	10324 KB	Output is correct
24	Correct	61 ms	10332 KB	Output is correct
25	Correct	65 ms	10332 KB	Output is correct
26	Correct	63 ms	10456 KB	Output is correct
27	Correct	64 ms	10320 KB	Output is correct
28	Correct	67 ms	10332 KB	Output is correct
29	Correct	63 ms	10332 KB	Output is correct
30	Correct	65 ms	10324 KB	Output is correct
31	Correct	0 ms	344 KB	Output is correct
32	Correct	0 ms	344 KB	Output is correct
33	Correct	0 ms	348 KB	Output is correct
34	Correct	0 ms	348 KB	Output is correct
35	Correct	0 ms	468 KB	Output is correct
36	Correct	0 ms	344 KB	Output is correct
37	Correct	0 ms	344 KB	Output is correct
38	Correct	0 ms	348 KB	Output is correct
39	Correct	0 ms	348 KB	Output is correct
40	Correct	0 ms	348 KB	Output is correct
41	Correct	0 ms	348 KB	Output is correct
42	Correct	0 ms	344 KB	Output is correct
43	Correct	0 ms	348 KB	Output is correct
44	Correct	0 ms	348 KB	Output is correct
45	Correct	0 ms	348 KB	Output is correct
46	Correct	0 ms	348 KB	Output is correct
47	Correct	0 ms	348 KB	Output is correct
48	Correct	0 ms	348 KB	Output is correct
49	Correct	0 ms	348 KB	Output is correct
50	Correct	0 ms	344 KB	Output is correct
51	Correct	1 ms	348 KB	Output is correct
52	Correct	1 ms	348 KB	Output is correct
53	Correct	1 ms	348 KB	Output is correct
54	Correct	1 ms	348 KB	Output is correct
55	Correct	1 ms	348 KB	Output is correct
56	Correct	1 ms	348 KB	Output is correct
57	Correct	1 ms	600 KB	Output is correct
58	Correct	1 ms	344 KB	Output is correct
59	Correct	1 ms	348 KB	Output is correct
60	Correct	1 ms	348 KB	Output is correct
61	Correct	89 ms	10292 KB	Output is correct
62	Correct	89 ms	10324 KB	Output is correct
63	Correct	74 ms	10072 KB	Output is correct
64	Correct	95 ms	10432 KB	Output is correct
65	Correct	96 ms	10324 KB	Output is correct
66	Correct	92 ms	10324 KB	Output is correct
67	Correct	91 ms	10284 KB	Output is correct
68	Correct	66 ms	10476 KB	Output is correct
69	Correct	63 ms	10064 KB	Output is correct
70	Correct	63 ms	10076 KB	Output is correct

답안 #1094226

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 29.0 / 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
29.0 / 29.0