답안 #571146

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
571146 2022-06-01T10:18:19 Z stevancv Art Exhibition (JOI18_art) C++14
100 / 100
459 ms 24984 KB
#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define sp ' '
#define en '\n'
#define smin(a, b) a = min(a, b)
#define smax(a, b) a = max(a, b)
using namespace std;
const int N = 5e5 + 2;
const int M = 1e9;
int mod = 1000000007;
ll st[4 * N];
void Set(int node, int l, int r, int x, ll y) {
    if (l == r) {st[node] = y; return;}
    int mid = l + r >> 1;
    if (x <= mid) Set(2 * node, l, mid, x, y);
    else Set(2 * node + 1, mid + 1, r, x, y);
    st[node] = max(st[2 * node], st[2 * node + 1]);
}
ll Get(int node, int l, int r, int ql, int qr) {
    if (r < ql || qr < l) return 0;
    if (ql <= l && r <= qr) return st[node];
    int mid = l + r >> 1;
    return max(Get(2 * node, l, mid, ql, qr), Get(2 * node + 1, mid + 1, r, ql, qr));
}
int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int n;
    cin >> n;
    vector<array<ll, 2>> a(n);
    for (int i = 0; i < n; i++) {
        cin >> a[i][0] >> a[i][1];
    }
    sort(a.begin(), a.end());
    for (int i = n - 2; i >= 0; i--) a[i][1] += a[i + 1][1];
    for (int i = 0; i < n; i++) Set(1, 0, n - 1, i, a[i][0] + a[i][1]);
    ll ans = 0;
    for (int i = n - 1; i >= 0; i--) {
        ll x = Get(1, 0, n - 1, 0, i);
        if (i == n - 1) smax(ans, x - a[i][0]);
        else smax(ans, x - a[i][0] - a[i + 1][1]);
    }
    cout << ans << en;
    return 0;
}

Compilation message

art.cpp: In function 'void Set(int, int, int, int, long long int)':
art.cpp:15:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   15 |     int mid = l + r >> 1;
      |               ~~^~~
art.cpp: In function 'long long int Get(int, int, int, int, int)':
art.cpp:23:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   23 |     int mid = l + r >> 1;
      |               ~~^~~
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 328 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 328 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 328 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 1 ms 304 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 336 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 328 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 328 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 1 ms 304 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 336 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 4 ms 596 KB Output is correct
28 Correct 5 ms 596 KB Output is correct
29 Correct 6 ms 596 KB Output is correct
30 Correct 5 ms 644 KB Output is correct
31 Correct 4 ms 596 KB Output is correct
32 Correct 4 ms 596 KB Output is correct
33 Correct 5 ms 596 KB Output is correct
34 Correct 3 ms 652 KB Output is correct
35 Correct 4 ms 592 KB Output is correct
36 Correct 4 ms 596 KB Output is correct
37 Correct 3 ms 596 KB Output is correct
38 Correct 3 ms 596 KB Output is correct
39 Correct 6 ms 596 KB Output is correct
40 Correct 4 ms 596 KB Output is correct
41 Correct 3 ms 600 KB Output is correct
42 Correct 5 ms 596 KB Output is correct
43 Correct 3 ms 596 KB Output is correct
44 Correct 4 ms 596 KB Output is correct
45 Correct 4 ms 644 KB Output is correct
46 Correct 4 ms 600 KB Output is correct
47 Correct 7 ms 644 KB Output is correct
48 Correct 6 ms 596 KB Output is correct
49 Correct 5 ms 596 KB Output is correct
50 Correct 3 ms 648 KB Output is correct
51 Correct 3 ms 596 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 328 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 328 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 1 ms 304 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 336 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 4 ms 596 KB Output is correct
28 Correct 5 ms 596 KB Output is correct
29 Correct 6 ms 596 KB Output is correct
30 Correct 5 ms 644 KB Output is correct
31 Correct 4 ms 596 KB Output is correct
32 Correct 4 ms 596 KB Output is correct
33 Correct 5 ms 596 KB Output is correct
34 Correct 3 ms 652 KB Output is correct
35 Correct 4 ms 592 KB Output is correct
36 Correct 4 ms 596 KB Output is correct
37 Correct 3 ms 596 KB Output is correct
38 Correct 3 ms 596 KB Output is correct
39 Correct 6 ms 596 KB Output is correct
40 Correct 4 ms 596 KB Output is correct
41 Correct 3 ms 600 KB Output is correct
42 Correct 5 ms 596 KB Output is correct
43 Correct 3 ms 596 KB Output is correct
44 Correct 4 ms 596 KB Output is correct
45 Correct 4 ms 644 KB Output is correct
46 Correct 4 ms 600 KB Output is correct
47 Correct 7 ms 644 KB Output is correct
48 Correct 6 ms 596 KB Output is correct
49 Correct 5 ms 596 KB Output is correct
50 Correct 3 ms 648 KB Output is correct
51 Correct 3 ms 596 KB Output is correct
52 Correct 373 ms 21680 KB Output is correct
53 Correct 376 ms 21552 KB Output is correct
54 Correct 405 ms 21680 KB Output is correct
55 Correct 398 ms 21572 KB Output is correct
56 Correct 459 ms 21552 KB Output is correct
57 Correct 404 ms 21592 KB Output is correct
58 Correct 395 ms 21616 KB Output is correct
59 Correct 390 ms 23920 KB Output is correct
60 Correct 317 ms 24868 KB Output is correct
61 Correct 316 ms 24908 KB Output is correct
62 Correct 344 ms 24984 KB Output is correct
63 Correct 334 ms 24060 KB Output is correct
64 Correct 308 ms 24780 KB Output is correct
65 Correct 324 ms 24884 KB Output is correct
66 Correct 305 ms 24860 KB Output is correct
67 Correct 317 ms 24784 KB Output is correct
68 Correct 349 ms 24852 KB Output is correct