Submission #889242

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
889242	2023-12-19T08:37:58 Z	alexander707070	Art Exhibition (JOI18_art)	C++14	100 / 100	171 ms	21076 KB

#include<bits/stdc++.h>
#define MAXN 500007
using namespace std;

const long long inf=1e18;

struct pic{
    long long sz,cost;
};

int n;
pic c[MAXN];
long long ans;

bool cmp(pic fr,pic sc){
    return fr.sz<sc.sz;
}

void solve(int l,int r){
    if(l>r)return;
    if(l==r){
        ans=max(ans,c[l].cost);
        return;
    }

    int mid=(l+r)/2;

    long long maxpref=0,maxsuff=0,sum;

    sum=0;
    for(int i=mid;i>=l;i--){
        sum+=c[i].cost;
        maxpref=max(maxpref,sum-(c[mid].sz-c[i].sz));
    }

    sum=0;
    for(int i=mid+1;i<=r;i++){
        sum+=c[i].cost;
        maxsuff=max(maxsuff,sum-(c[i].sz-c[mid+1].sz));
    }

    ans=max(ans,maxpref+maxsuff-(c[mid+1].sz-c[mid].sz));

    solve(l,mid);
    solve(mid+1,r);
}

int main(){

    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    cin>>n;
    for(int i=1;i<=n;i++){
        cin>>c[i].sz>>c[i].cost;
    }

    sort(c+1,c+n+1,cmp);

    solve(1,n);

    cout<<ans<<"\n";

    return 0;
}

Subtask #1
10.0 / 10.0

#	Verdict	Memory	Grader output
1	Correct	344 KB	Output is correct
2	Correct	348 KB	Output is correct
3	Correct	344 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	456 KB	Output is correct
8	Correct	344 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

Subtask #2
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	344 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	456 KB	Output is correct
8	Correct	0 ms	344 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	344 KB	Output is correct
14	Correct	1 ms	468 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	1 ms	348 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	1 ms	344 KB	Output is correct
23	Correct	0 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

Subtask #3
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	344 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	456 KB	Output is correct
8	Correct	0 ms	344 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	344 KB	Output is correct
14	Correct	1 ms	468 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	1 ms	348 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	1 ms	344 KB	Output is correct
23	Correct	0 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	2 ms	604 KB	Output is correct
28	Correct	2 ms	604 KB	Output is correct
29	Correct	2 ms	604 KB	Output is correct
30	Correct	3 ms	604 KB	Output is correct
31	Correct	2 ms	604 KB	Output is correct
32	Correct	2 ms	600 KB	Output is correct
33	Correct	2 ms	604 KB	Output is correct
34	Correct	2 ms	604 KB	Output is correct
35	Correct	2 ms	604 KB	Output is correct
36	Correct	2 ms	856 KB	Output is correct
37	Correct	2 ms	604 KB	Output is correct
38	Correct	2 ms	604 KB	Output is correct
39	Correct	2 ms	600 KB	Output is correct
40	Correct	2 ms	604 KB	Output is correct
41	Correct	2 ms	584 KB	Output is correct
42	Correct	2 ms	604 KB	Output is correct
43	Correct	2 ms	604 KB	Output is correct
44	Correct	2 ms	604 KB	Output is correct
45	Correct	2 ms	584 KB	Output is correct
46	Correct	2 ms	604 KB	Output is correct
47	Correct	2 ms	604 KB	Output is correct
48	Correct	2 ms	604 KB	Output is correct
49	Correct	2 ms	604 KB	Output is correct
50	Correct	2 ms	856 KB	Output is correct
51	Correct	2 ms	604 KB	Output is correct

Subtask #4
50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	344 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	456 KB	Output is correct
8	Correct	0 ms	344 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	344 KB	Output is correct
14	Correct	1 ms	468 KB	Output is correct
15	Correct	1 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	1 ms	348 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	1 ms	344 KB	Output is correct
23	Correct	0 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	2 ms	604 KB	Output is correct
28	Correct	2 ms	604 KB	Output is correct
29	Correct	2 ms	604 KB	Output is correct
30	Correct	3 ms	604 KB	Output is correct
31	Correct	2 ms	604 KB	Output is correct
32	Correct	2 ms	600 KB	Output is correct
33	Correct	2 ms	604 KB	Output is correct
34	Correct	2 ms	604 KB	Output is correct
35	Correct	2 ms	604 KB	Output is correct
36	Correct	2 ms	856 KB	Output is correct
37	Correct	2 ms	604 KB	Output is correct
38	Correct	2 ms	604 KB	Output is correct
39	Correct	2 ms	600 KB	Output is correct
40	Correct	2 ms	604 KB	Output is correct
41	Correct	2 ms	584 KB	Output is correct
42	Correct	2 ms	604 KB	Output is correct
43	Correct	2 ms	604 KB	Output is correct
44	Correct	2 ms	604 KB	Output is correct
45	Correct	2 ms	584 KB	Output is correct
46	Correct	2 ms	604 KB	Output is correct
47	Correct	2 ms	604 KB	Output is correct
48	Correct	2 ms	604 KB	Output is correct
49	Correct	2 ms	604 KB	Output is correct
50	Correct	2 ms	856 KB	Output is correct
51	Correct	2 ms	604 KB	Output is correct
52	Correct	167 ms	20712 KB	Output is correct
53	Correct	148 ms	20672 KB	Output is correct
54	Correct	164 ms	20712 KB	Output is correct
55	Correct	149 ms	21076 KB	Output is correct
56	Correct	161 ms	20900 KB	Output is correct
57	Correct	157 ms	20820 KB	Output is correct
58	Correct	160 ms	20904 KB	Output is correct
59	Correct	147 ms	20840 KB	Output is correct
60	Correct	147 ms	20712 KB	Output is correct
61	Correct	155 ms	20564 KB	Output is correct
62	Correct	146 ms	20820 KB	Output is correct
63	Correct	147 ms	20820 KB	Output is correct
64	Correct	171 ms	20900 KB	Output is correct
65	Correct	161 ms	20844 KB	Output is correct
66	Correct	146 ms	20904 KB	Output is correct
67	Correct	149 ms	20900 KB	Output is correct
68	Correct	160 ms	20708 KB	Output is correct

Submission #889242

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 20.0 / 20.0

Subtask #3 20.0 / 20.0

Subtask #4 50.0 / 50.0

Subtask #1
10.0 / 10.0

Subtask #2
20.0 / 20.0

Subtask #3
20.0 / 20.0

Subtask #4
50.0 / 50.0