답안 #875953

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
875953 2023-11-20T20:45:25 Z misu2005 Art Exhibition (JOI18_art) C++11
100 / 100
432 ms 20772 KB
#include <iostream>
#include <algorithm>
#include <climits>

using namespace std;

struct ceva {
    long long sz, val;
} v[500002];

bool cmp(ceva x, ceva y) {
    return x.sz < y.sz;
}

long long n;
long long sp[500002], tree[2000005];

void build(long long node, long long st, long long dr) {
    if (st == dr) {
        tree[node] = sp[st] - v[st].sz;
        return ;
    }

    long long mij = (st + dr)/2;
    build(2*node, st, mij);
    build(2*node+1, mij+1, dr);
    tree[node] = max(tree[2*node], tree[2*node+1]);
}

long long query(long long node, long long st, long long dr, long long left, long long right) {
    if (left <= st and dr <= right) {
        return tree[node];
    }

    long long mij = (st + dr)/2;
    long long ans1 = LLONG_MIN, ans2 = LLONG_MIN;
    if (left <= mij)
        ans1 = query(2*node, st, mij, left, right);
    if (mij < right)
        ans2 = query(2*node+1, mij+1, dr, left, right);
    return max(ans1, ans2);
}

signed main()
{
    cin >> n;
    for (long long i = 1; i <= n; i++) {
        cin >> v[i].sz >> v[i].val;
    }
    sort(v+1, v+n+1, cmp);
    for (long long i = 1; i <= n; i++) {
        sp[i] = sp[i-1] + v[i].val;
    }

    build(1, 1, n);

    long long maxim = LLONG_MIN;
    for (long long i = 1; i <= n; i++) {
        long long  x = sp[i-1] - v[i].sz;
        long long rezdr = query(1, 1, n, i, n);
        maxim = max(maxim, rezdr-x);
    }
    cout << maxim;
    return 0;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2392 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2392 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2392 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2392 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 1 ms 2392 KB Output is correct
23 Correct 1 ms 2396 KB Output is correct
24 Correct 1 ms 2396 KB Output is correct
25 Correct 1 ms 2392 KB Output is correct
26 Correct 1 ms 2396 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2392 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2392 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2392 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 1 ms 2392 KB Output is correct
23 Correct 1 ms 2396 KB Output is correct
24 Correct 1 ms 2396 KB Output is correct
25 Correct 1 ms 2392 KB Output is correct
26 Correct 1 ms 2396 KB Output is correct
27 Correct 4 ms 2648 KB Output is correct
28 Correct 4 ms 2652 KB Output is correct
29 Correct 6 ms 2488 KB Output is correct
30 Correct 4 ms 2648 KB Output is correct
31 Correct 4 ms 2648 KB Output is correct
32 Correct 5 ms 2648 KB Output is correct
33 Correct 4 ms 2648 KB Output is correct
34 Correct 5 ms 2652 KB Output is correct
35 Correct 4 ms 2648 KB Output is correct
36 Correct 4 ms 2652 KB Output is correct
37 Correct 5 ms 2648 KB Output is correct
38 Correct 5 ms 2648 KB Output is correct
39 Correct 5 ms 2652 KB Output is correct
40 Correct 4 ms 2652 KB Output is correct
41 Correct 7 ms 2484 KB Output is correct
42 Correct 4 ms 2904 KB Output is correct
43 Correct 4 ms 2652 KB Output is correct
44 Correct 5 ms 2496 KB Output is correct
45 Correct 4 ms 2652 KB Output is correct
46 Correct 4 ms 2648 KB Output is correct
47 Correct 4 ms 2652 KB Output is correct
48 Correct 4 ms 2652 KB Output is correct
49 Correct 4 ms 2652 KB Output is correct
50 Correct 4 ms 2652 KB Output is correct
51 Correct 5 ms 2652 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2392 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2392 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2392 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 1 ms 2392 KB Output is correct
23 Correct 1 ms 2396 KB Output is correct
24 Correct 1 ms 2396 KB Output is correct
25 Correct 1 ms 2392 KB Output is correct
26 Correct 1 ms 2396 KB Output is correct
27 Correct 4 ms 2648 KB Output is correct
28 Correct 4 ms 2652 KB Output is correct
29 Correct 6 ms 2488 KB Output is correct
30 Correct 4 ms 2648 KB Output is correct
31 Correct 4 ms 2648 KB Output is correct
32 Correct 5 ms 2648 KB Output is correct
33 Correct 4 ms 2648 KB Output is correct
34 Correct 5 ms 2652 KB Output is correct
35 Correct 4 ms 2648 KB Output is correct
36 Correct 4 ms 2652 KB Output is correct
37 Correct 5 ms 2648 KB Output is correct
38 Correct 5 ms 2648 KB Output is correct
39 Correct 5 ms 2652 KB Output is correct
40 Correct 4 ms 2652 KB Output is correct
41 Correct 7 ms 2484 KB Output is correct
42 Correct 4 ms 2904 KB Output is correct
43 Correct 4 ms 2652 KB Output is correct
44 Correct 5 ms 2496 KB Output is correct
45 Correct 4 ms 2652 KB Output is correct
46 Correct 4 ms 2648 KB Output is correct
47 Correct 4 ms 2652 KB Output is correct
48 Correct 4 ms 2652 KB Output is correct
49 Correct 4 ms 2652 KB Output is correct
50 Correct 4 ms 2652 KB Output is correct
51 Correct 5 ms 2652 KB Output is correct
52 Correct 424 ms 20772 KB Output is correct
53 Correct 413 ms 20428 KB Output is correct
54 Correct 418 ms 20308 KB Output is correct
55 Correct 432 ms 20384 KB Output is correct
56 Correct 416 ms 20304 KB Output is correct
57 Correct 418 ms 20560 KB Output is correct
58 Correct 412 ms 20656 KB Output is correct
59 Correct 420 ms 20560 KB Output is correct
60 Correct 417 ms 20676 KB Output is correct
61 Correct 416 ms 20560 KB Output is correct
62 Correct 415 ms 20392 KB Output is correct
63 Correct 414 ms 20544 KB Output is correct
64 Correct 416 ms 20564 KB Output is correct
65 Correct 416 ms 20384 KB Output is correct
66 Correct 421 ms 20588 KB Output is correct
67 Correct 416 ms 20400 KB Output is correct
68 Correct 425 ms 20400 KB Output is correct