Submission #233498

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
233498	2020-05-20T18:12:41 Z	nicolaalexandra	Art Exhibition (JOI18_art)	C++14	100 / 100	907 ms	33188 KB

#include <bits/stdc++.h>
#define DIM 500010
#define INF 2000000000000000000LL
using namespace std;
struct idk{
    long long a,b;
} v[DIM];

long long aint[DIM*4],sp[DIM],sol;
int n,i;

inline int cmp (idk a, idk b){
    return a.a < b.a;
}

void build (int nod, int st, int dr){
    if (st == dr){
        aint[nod] = sp[st] - v[st].a;
        return;
    }
    int mid = (st+dr)>>1;
    build (nod<<1,st,mid);
    build ((nod<<1)|1,mid+1,dr);
    aint[nod] = max (aint[nod<<1],aint[(nod<<1)|1]);
}

long long query (int nod, int st, int dr, int x, int y){

    if (x <= st && dr <= y)
        return aint[nod];

    int mid = (st+dr)>>1;
    long long sol_st = -INF, sol_dr = -INF;

    if (x <= mid)
        sol_st = query (nod<<1,st,mid,x,y);
    if (y > mid)
        sol_dr = query ((nod<<1)|1,mid+1,dr,x,y);

    return max (sol_st,sol_dr);

}

int main (){

    //ifstream cin ("date.in");
    //ofstream cout ("date.out");

    cin>>n;
    sol = -INF;
    for (i=1;i<=n;i++){
        cin>>v[i].a>>v[i].b;
        sol = max (sol,v[i].b);
    }

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

    for (i=1;i<=n;i++)
        sp[i] = sp[i-1] + v[i].b;

    build (1,1,n);

    for (i=1;i<n;i++)
        sol = max (sol,v[i].a - sp[i-1] + query(1,1,n,i+1,n));

    cout<<sol;

    return 0;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	4 ms	384 KB	Output is correct
3	Correct	4 ms	256 KB	Output is correct
4	Correct	5 ms	384 KB	Output is correct
5	Correct	5 ms	384 KB	Output is correct
6	Correct	5 ms	256 KB	Output is correct
7	Correct	5 ms	384 KB	Output is correct
8	Correct	5 ms	384 KB	Output is correct
9	Correct	5 ms	384 KB	Output is correct
10	Correct	4 ms	384 KB	Output is correct
11	Correct	5 ms	384 KB	Output is correct

Subtask #2
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	4 ms	384 KB	Output is correct
3	Correct	4 ms	256 KB	Output is correct
4	Correct	5 ms	384 KB	Output is correct
5	Correct	5 ms	384 KB	Output is correct
6	Correct	5 ms	256 KB	Output is correct
7	Correct	5 ms	384 KB	Output is correct
8	Correct	5 ms	384 KB	Output is correct
9	Correct	5 ms	384 KB	Output is correct
10	Correct	4 ms	384 KB	Output is correct
11	Correct	5 ms	384 KB	Output is correct
12	Correct	5 ms	384 KB	Output is correct
13	Correct	5 ms	384 KB	Output is correct
14	Correct	5 ms	384 KB	Output is correct
15	Correct	5 ms	384 KB	Output is correct
16	Correct	5 ms	384 KB	Output is correct
17	Correct	5 ms	384 KB	Output is correct
18	Correct	5 ms	384 KB	Output is correct
19	Correct	5 ms	384 KB	Output is correct
20	Correct	6 ms	384 KB	Output is correct
21	Correct	5 ms	384 KB	Output is correct
22	Correct	5 ms	384 KB	Output is correct
23	Correct	5 ms	384 KB	Output is correct
24	Correct	5 ms	384 KB	Output is correct
25	Correct	5 ms	384 KB	Output is correct
26	Correct	5 ms	384 KB	Output is correct

Subtask #3
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	4 ms	384 KB	Output is correct
3	Correct	4 ms	256 KB	Output is correct
4	Correct	5 ms	384 KB	Output is correct
5	Correct	5 ms	384 KB	Output is correct
6	Correct	5 ms	256 KB	Output is correct
7	Correct	5 ms	384 KB	Output is correct
8	Correct	5 ms	384 KB	Output is correct
9	Correct	5 ms	384 KB	Output is correct
10	Correct	4 ms	384 KB	Output is correct
11	Correct	5 ms	384 KB	Output is correct
12	Correct	5 ms	384 KB	Output is correct
13	Correct	5 ms	384 KB	Output is correct
14	Correct	5 ms	384 KB	Output is correct
15	Correct	5 ms	384 KB	Output is correct
16	Correct	5 ms	384 KB	Output is correct
17	Correct	5 ms	384 KB	Output is correct
18	Correct	5 ms	384 KB	Output is correct
19	Correct	5 ms	384 KB	Output is correct
20	Correct	6 ms	384 KB	Output is correct
21	Correct	5 ms	384 KB	Output is correct
22	Correct	5 ms	384 KB	Output is correct
23	Correct	5 ms	384 KB	Output is correct
24	Correct	5 ms	384 KB	Output is correct
25	Correct	5 ms	384 KB	Output is correct
26	Correct	5 ms	384 KB	Output is correct
27	Correct	13 ms	768 KB	Output is correct
28	Correct	13 ms	768 KB	Output is correct
29	Correct	13 ms	768 KB	Output is correct
30	Correct	13 ms	768 KB	Output is correct
31	Correct	13 ms	640 KB	Output is correct
32	Correct	13 ms	768 KB	Output is correct
33	Correct	13 ms	768 KB	Output is correct
34	Correct	13 ms	768 KB	Output is correct
35	Correct	13 ms	768 KB	Output is correct
36	Correct	13 ms	768 KB	Output is correct
37	Correct	13 ms	672 KB	Output is correct
38	Correct	13 ms	768 KB	Output is correct
39	Correct	13 ms	768 KB	Output is correct
40	Correct	13 ms	768 KB	Output is correct
41	Correct	13 ms	640 KB	Output is correct
42	Correct	14 ms	640 KB	Output is correct
43	Correct	13 ms	768 KB	Output is correct
44	Correct	13 ms	768 KB	Output is correct
45	Correct	14 ms	768 KB	Output is correct
46	Correct	13 ms	768 KB	Output is correct
47	Correct	13 ms	768 KB	Output is correct
48	Correct	13 ms	768 KB	Output is correct
49	Correct	13 ms	768 KB	Output is correct
50	Correct	13 ms	768 KB	Output is correct
51	Correct	13 ms	768 KB	Output is correct

Subtask #4
50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	4 ms	384 KB	Output is correct
3	Correct	4 ms	256 KB	Output is correct
4	Correct	5 ms	384 KB	Output is correct
5	Correct	5 ms	384 KB	Output is correct
6	Correct	5 ms	256 KB	Output is correct
7	Correct	5 ms	384 KB	Output is correct
8	Correct	5 ms	384 KB	Output is correct
9	Correct	5 ms	384 KB	Output is correct
10	Correct	4 ms	384 KB	Output is correct
11	Correct	5 ms	384 KB	Output is correct
12	Correct	5 ms	384 KB	Output is correct
13	Correct	5 ms	384 KB	Output is correct
14	Correct	5 ms	384 KB	Output is correct
15	Correct	5 ms	384 KB	Output is correct
16	Correct	5 ms	384 KB	Output is correct
17	Correct	5 ms	384 KB	Output is correct
18	Correct	5 ms	384 KB	Output is correct
19	Correct	5 ms	384 KB	Output is correct
20	Correct	6 ms	384 KB	Output is correct
21	Correct	5 ms	384 KB	Output is correct
22	Correct	5 ms	384 KB	Output is correct
23	Correct	5 ms	384 KB	Output is correct
24	Correct	5 ms	384 KB	Output is correct
25	Correct	5 ms	384 KB	Output is correct
26	Correct	5 ms	384 KB	Output is correct
27	Correct	13 ms	768 KB	Output is correct
28	Correct	13 ms	768 KB	Output is correct
29	Correct	13 ms	768 KB	Output is correct
30	Correct	13 ms	768 KB	Output is correct
31	Correct	13 ms	640 KB	Output is correct
32	Correct	13 ms	768 KB	Output is correct
33	Correct	13 ms	768 KB	Output is correct
34	Correct	13 ms	768 KB	Output is correct
35	Correct	13 ms	768 KB	Output is correct
36	Correct	13 ms	768 KB	Output is correct
37	Correct	13 ms	672 KB	Output is correct
38	Correct	13 ms	768 KB	Output is correct
39	Correct	13 ms	768 KB	Output is correct
40	Correct	13 ms	768 KB	Output is correct
41	Correct	13 ms	640 KB	Output is correct
42	Correct	14 ms	640 KB	Output is correct
43	Correct	13 ms	768 KB	Output is correct
44	Correct	13 ms	768 KB	Output is correct
45	Correct	14 ms	768 KB	Output is correct
46	Correct	13 ms	768 KB	Output is correct
47	Correct	13 ms	768 KB	Output is correct
48	Correct	13 ms	768 KB	Output is correct
49	Correct	13 ms	768 KB	Output is correct
50	Correct	13 ms	768 KB	Output is correct
51	Correct	13 ms	768 KB	Output is correct
52	Correct	866 ms	33020 KB	Output is correct
53	Correct	877 ms	32888 KB	Output is correct
54	Correct	882 ms	33188 KB	Output is correct
55	Correct	868 ms	33144 KB	Output is correct
56	Correct	876 ms	32988 KB	Output is correct
57	Correct	878 ms	32980 KB	Output is correct
58	Correct	907 ms	32892 KB	Output is correct
59	Correct	880 ms	33052 KB	Output is correct
60	Correct	871 ms	33016 KB	Output is correct
61	Correct	857 ms	32888 KB	Output is correct
62	Correct	873 ms	33000 KB	Output is correct
63	Correct	877 ms	33016 KB	Output is correct
64	Correct	871 ms	32888 KB	Output is correct
65	Correct	873 ms	33004 KB	Output is correct
66	Correct	866 ms	33016 KB	Output is correct
67	Correct	873 ms	33060 KB	Output is correct
68	Correct	875 ms	33016 KB	Output is correct

Submission #233498

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