Submission #94481

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
94481	2019-01-19T10:01:16 Z	fedoseevtimofey	Art Exhibition (JOI18_art)	C++14	100 / 100	333 ms	26872 KB

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef long double ld;

// pref[j + 1] - pref[i] - (a[j] - a[i])
// pref[j + 1] - a[j] - pref[i] + a[i]


int main() {
    ios_base::sync_with_stdio(false); cin.tie(0); cout.setf(ios::fixed); cout.precision(20);
    #ifdef LOCAL
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
    #endif
    int n;
    cin >> n;
    vector <ll> a(n), b(n);
    for (int i = 0; i < n; ++i) {
        cin >> a[i] >> b[i];
    }
    vector <int> idx(n);
    iota(idx.begin(), idx.end(), 0);
    sort(idx.begin(), idx.end(), [&] (int i, int j) {
        return a[i] < a[j];
    });
    vector <ll> pref(n + 1);
    for (int i = 0; i < n; ++i) {
        pref[i + 1] = pref[i] + b[idx[i]];
    }
    ll ans = 0;
    ll mx = -2e18;
    for (int i = 0; i < n; ++i) {
        mx = max(mx, a[idx[i]] - pref[i]);
        ans = max(ans, mx + pref[i + 1] - a[idx[i]]);
    }
    cout << ans << '\n';
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	380 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	256 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct

Subtask #2
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	380 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	256 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	368 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	2 ms	376 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	2 ms	376 KB	Output is correct
24	Correct	2 ms	376 KB	Output is correct
25	Correct	2 ms	376 KB	Output is correct
26	Correct	2 ms	376 KB	Output is correct

Subtask #3
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	380 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	256 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	368 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	2 ms	376 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	2 ms	376 KB	Output is correct
24	Correct	2 ms	376 KB	Output is correct
25	Correct	2 ms	376 KB	Output is correct
26	Correct	2 ms	376 KB	Output is correct
27	Correct	4 ms	504 KB	Output is correct
28	Correct	4 ms	504 KB	Output is correct
29	Correct	4 ms	504 KB	Output is correct
30	Correct	4 ms	504 KB	Output is correct
31	Correct	4 ms	504 KB	Output is correct
32	Correct	4 ms	504 KB	Output is correct
33	Correct	3 ms	504 KB	Output is correct
34	Correct	4 ms	504 KB	Output is correct
35	Correct	4 ms	504 KB	Output is correct
36	Correct	3 ms	504 KB	Output is correct
37	Correct	4 ms	504 KB	Output is correct
38	Correct	4 ms	504 KB	Output is correct
39	Correct	4 ms	504 KB	Output is correct
40	Correct	4 ms	504 KB	Output is correct
41	Correct	4 ms	504 KB	Output is correct
42	Correct	4 ms	504 KB	Output is correct
43	Correct	4 ms	508 KB	Output is correct
44	Correct	4 ms	504 KB	Output is correct
45	Correct	4 ms	504 KB	Output is correct
46	Correct	3 ms	504 KB	Output is correct
47	Correct	3 ms	504 KB	Output is correct
48	Correct	4 ms	508 KB	Output is correct
49	Correct	4 ms	504 KB	Output is correct
50	Correct	4 ms	504 KB	Output is correct
51	Correct	4 ms	504 KB	Output is correct

Subtask #4
50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	380 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	256 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	368 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	2 ms	376 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	2 ms	376 KB	Output is correct
24	Correct	2 ms	376 KB	Output is correct
25	Correct	2 ms	376 KB	Output is correct
26	Correct	2 ms	376 KB	Output is correct
27	Correct	4 ms	504 KB	Output is correct
28	Correct	4 ms	504 KB	Output is correct
29	Correct	4 ms	504 KB	Output is correct
30	Correct	4 ms	504 KB	Output is correct
31	Correct	4 ms	504 KB	Output is correct
32	Correct	4 ms	504 KB	Output is correct
33	Correct	3 ms	504 KB	Output is correct
34	Correct	4 ms	504 KB	Output is correct
35	Correct	4 ms	504 KB	Output is correct
36	Correct	3 ms	504 KB	Output is correct
37	Correct	4 ms	504 KB	Output is correct
38	Correct	4 ms	504 KB	Output is correct
39	Correct	4 ms	504 KB	Output is correct
40	Correct	4 ms	504 KB	Output is correct
41	Correct	4 ms	504 KB	Output is correct
42	Correct	4 ms	504 KB	Output is correct
43	Correct	4 ms	508 KB	Output is correct
44	Correct	4 ms	504 KB	Output is correct
45	Correct	4 ms	504 KB	Output is correct
46	Correct	3 ms	504 KB	Output is correct
47	Correct	3 ms	504 KB	Output is correct
48	Correct	4 ms	508 KB	Output is correct
49	Correct	4 ms	504 KB	Output is correct
50	Correct	4 ms	504 KB	Output is correct
51	Correct	4 ms	504 KB	Output is correct
52	Correct	216 ms	14124 KB	Output is correct
53	Correct	222 ms	26744 KB	Output is correct
54	Correct	223 ms	26872 KB	Output is correct
55	Correct	230 ms	26616 KB	Output is correct
56	Correct	225 ms	26616 KB	Output is correct
57	Correct	231 ms	26640 KB	Output is correct
58	Correct	213 ms	26756 KB	Output is correct
59	Correct	233 ms	26688 KB	Output is correct
60	Correct	218 ms	26744 KB	Output is correct
61	Correct	213 ms	26588 KB	Output is correct
62	Correct	333 ms	26648 KB	Output is correct
63	Correct	221 ms	26800 KB	Output is correct
64	Correct	231 ms	26760 KB	Output is correct
65	Correct	224 ms	26820 KB	Output is correct
66	Correct	219 ms	26744 KB	Output is correct
67	Correct	215 ms	26716 KB	Output is correct
68	Correct	217 ms	26744 KB	Output is correct

Submission #94481

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