답안 #1085271

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1085271	2024-09-07T19:25:41 Z	quan606303	Feast (NOI19_feast)	C++14	100 / 100	119 ms	14512 KB

feast

///0-0 : what is your motivation, quan606303?
///quan606303 : Hutao
/*idea : 
 
 
 
*/
#include <bits/stdc++.h>
#define int long long
#define ll long long
#define INTMAX INT_MAX
#define INTMIN INT_MIN
#define LONGMAX LLONG_MAX
#define LONGMIN LLONG_MIN
#define fi first
#define se second
#define memfull(a,b) memset(a,b,sizeof(a));
#define endl '\n'
#define file(a) freopen(a".inp","r",stdin); freopen(a".out","w",stdout);
using namespace std;
const int MOD=1e9+7;
const int maxn=3e5+7;;
int n,k,a[maxn],pre[maxn];
pair<int,int> dp[maxn][2];
pair<int,int> sub1(int pen)
{
    dp[0][0]={0,0};
    dp[0][1]={-pre[0]-pen,1};
    for (int i=1;i<=n;i++)
    { 
		dp[i][0]=max(dp[i-1][0],make_pair(dp[i-1][1].fi+pre[i],dp[i-1][1].se));
        dp[i][1]=max(dp[i-1][1],make_pair(dp[i][0].fi-pre[i]-pen,dp[i][0].se+1));
    }
    return dp[n][0];
}
int32_t main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
   // file("MUABANCO");
    cin>>n>>k;
    for (int i=1;i<=n;i++)cin>>a[i];
    for (int i=1;i<=n;i++)pre[i]=pre[i-1]+a[i];
    int l=0,r=1e18,ans=0;
    while (l<=r)
    {
        int mid=(l+r)/2;
        pair<int,int> cnt=sub1(mid);
        if (cnt.se<=k)
        {
            r=mid-1;
            ans=cnt.fi+cnt.se*mid;
        }
        else l=mid+1;
    }
    cout<<ans;
    return 0;
}

Subtask #1
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	61 ms	14168 KB	Output is correct
2	Correct	62 ms	14160 KB	Output is correct
3	Correct	71 ms	14512 KB	Output is correct
4	Correct	63 ms	14416 KB	Output is correct
5	Correct	63 ms	14296 KB	Output is correct
6	Correct	60 ms	13916 KB	Output is correct
7	Correct	61 ms	13912 KB	Output is correct
8	Correct	63 ms	14160 KB	Output is correct
9	Correct	66 ms	13904 KB	Output is correct
10	Correct	66 ms	14164 KB	Output is correct

Subtask #2
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	56 ms	14172 KB	Output is correct
2	Correct	69 ms	14412 KB	Output is correct
3	Correct	55 ms	14172 KB	Output is correct
4	Correct	56 ms	14168 KB	Output is correct
5	Correct	60 ms	13912 KB	Output is correct
6	Correct	56 ms	14172 KB	Output is correct
7	Correct	59 ms	14424 KB	Output is correct
8	Correct	75 ms	14360 KB	Output is correct
9	Correct	61 ms	13912 KB	Output is correct
10	Correct	56 ms	14424 KB	Output is correct

Subtask #3
18.0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Correct	84 ms	14344 KB	Output is correct
2	Correct	81 ms	14164 KB	Output is correct
3	Correct	81 ms	14296 KB	Output is correct
4	Correct	81 ms	14160 KB	Output is correct
5	Correct	92 ms	14164 KB	Output is correct
6	Correct	90 ms	14416 KB	Output is correct
7	Correct	86 ms	14464 KB	Output is correct
8	Correct	82 ms	14324 KB	Output is correct
9	Correct	84 ms	14416 KB	Output is correct
10	Correct	86 ms	14256 KB	Output is correct

Subtask #4
10.0 / 10.0

#	결과	메모리	Grader output
1	Correct	348 KB	Output is correct
2	Correct	348 KB	Output is correct
3	Correct	348 KB	Output is correct
4	Correct	348 KB	Output is correct
5	Correct	348 KB	Output is correct
6	Correct	348 KB	Output is correct
7	Correct	348 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	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 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	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 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	348 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	344 KB	Output is correct
16	Correct	1 ms	344 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	488 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct

Subtask #6
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 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	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 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	348 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	344 KB	Output is correct
16	Correct	1 ms	344 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	488 KB	Output is correct
20	Correct	0 ms	348 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	344 KB	Output is correct
26	Correct	1 ms	348 KB	Output is correct
27	Correct	1 ms	348 KB	Output is correct
28	Correct	1 ms	348 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	61 ms	14168 KB	Output is correct
2	Correct	62 ms	14160 KB	Output is correct
3	Correct	71 ms	14512 KB	Output is correct
4	Correct	63 ms	14416 KB	Output is correct
5	Correct	63 ms	14296 KB	Output is correct
6	Correct	60 ms	13916 KB	Output is correct
7	Correct	61 ms	13912 KB	Output is correct
8	Correct	63 ms	14160 KB	Output is correct
9	Correct	66 ms	13904 KB	Output is correct
10	Correct	66 ms	14164 KB	Output is correct
11	Correct	56 ms	14172 KB	Output is correct
12	Correct	69 ms	14412 KB	Output is correct
13	Correct	55 ms	14172 KB	Output is correct
14	Correct	56 ms	14168 KB	Output is correct
15	Correct	60 ms	13912 KB	Output is correct
16	Correct	56 ms	14172 KB	Output is correct
17	Correct	59 ms	14424 KB	Output is correct
18	Correct	75 ms	14360 KB	Output is correct
19	Correct	61 ms	13912 KB	Output is correct
20	Correct	56 ms	14424 KB	Output is correct
21	Correct	84 ms	14344 KB	Output is correct
22	Correct	81 ms	14164 KB	Output is correct
23	Correct	81 ms	14296 KB	Output is correct
24	Correct	81 ms	14160 KB	Output is correct
25	Correct	92 ms	14164 KB	Output is correct
26	Correct	90 ms	14416 KB	Output is correct
27	Correct	86 ms	14464 KB	Output is correct
28	Correct	82 ms	14324 KB	Output is correct
29	Correct	84 ms	14416 KB	Output is correct
30	Correct	86 ms	14256 KB	Output is correct
31	Correct	0 ms	348 KB	Output is correct
32	Correct	0 ms	348 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	348 KB	Output is correct
36	Correct	0 ms	348 KB	Output is correct
37	Correct	0 ms	348 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	348 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	344 KB	Output is correct
46	Correct	1 ms	344 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	488 KB	Output is correct
50	Correct	0 ms	348 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	344 KB	Output is correct
56	Correct	1 ms	348 KB	Output is correct
57	Correct	1 ms	348 KB	Output is correct
58	Correct	1 ms	348 KB	Output is correct
59	Correct	1 ms	348 KB	Output is correct
60	Correct	1 ms	348 KB	Output is correct
61	Correct	117 ms	14164 KB	Output is correct
62	Correct	109 ms	14420 KB	Output is correct
63	Correct	98 ms	14012 KB	Output is correct
64	Correct	119 ms	14416 KB	Output is correct
65	Correct	119 ms	14400 KB	Output is correct
66	Correct	116 ms	14172 KB	Output is correct
67	Correct	114 ms	14172 KB	Output is correct
68	Correct	85 ms	14424 KB	Output is correct
69	Correct	84 ms	13908 KB	Output is correct
70	Correct	85 ms	14108 KB	Output is correct

답안 #1085271

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