답안 #233498

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
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;
}
# 결과 실행 시간 메모리 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
# 결과 실행 시간 메모리 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
# 결과 실행 시간 메모리 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
# 결과 실행 시간 메모리 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