Submission #476342

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
476342	2021-09-26T05:46:08 Z	palilo	Art Exhibition (JOI18_art)	C++17	100 / 100	227 ms	24900 KB

#include <bits/stdc++.h>
using namespace std;

template <class T>
bool chmin(T& _old, T _new) { return _old > _new && (_old = _new, true); }
template <class T>
bool chmax(T& _old, T _new) { return _old < _new && (_old = _new, true); }

int main() {
    cin.tie(nullptr)->sync_with_stdio(false);
#ifdef palilo
    freopen("in", "r", stdin);
    freopen("out", "w", stdout);
#endif
    constexpr int64_t INF = 0x3f3f3f3f3f3f3f3f;
    int n;
    cin >> n;
    vector<pair<int64_t, int64_t>> a(n);
    for (auto& [x, y] : a) {
        cin >> x >> y;
    }
    sort(a.begin(), a.end(), [&](const auto& lhs, const auto& rhs) {
        return lhs.first < rhs.first;
    });
    vector<int64_t> pref(n + 1);
    for (int i = 0; i < n; ++i) {
        pref[i + 1] = pref[i] + a[i].second;
    }
    int64_t best = a[0].first - pref[0];
    int64_t ans = ~INF;
    for (int r = 1; r <= n; ++r) {
        chmax(ans, pref[r] - a[r - 1].first + best);
        if (r != n) chmax(best, a[r].first - pref[r]);
    }
    cout << ans;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	1 ms	312 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	1 ms	316 KB	Output is correct

Subtask #2
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	1 ms	312 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	1 ms	316 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	1 ms	332 KB	Output is correct
14	Correct	1 ms	332 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	1 ms	332 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	0 ms	204 KB	Output is correct
19	Correct	1 ms	332 KB	Output is correct
20	Correct	1 ms	316 KB	Output is correct
21	Correct	1 ms	332 KB	Output is correct
22	Correct	1 ms	324 KB	Output is correct
23	Correct	1 ms	320 KB	Output is correct
24	Correct	1 ms	332 KB	Output is correct
25	Correct	0 ms	332 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct

Subtask #3
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	1 ms	312 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	1 ms	316 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	1 ms	332 KB	Output is correct
14	Correct	1 ms	332 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	1 ms	332 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	0 ms	204 KB	Output is correct
19	Correct	1 ms	332 KB	Output is correct
20	Correct	1 ms	316 KB	Output is correct
21	Correct	1 ms	332 KB	Output is correct
22	Correct	1 ms	324 KB	Output is correct
23	Correct	1 ms	320 KB	Output is correct
24	Correct	1 ms	332 KB	Output is correct
25	Correct	0 ms	332 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct
27	Correct	2 ms	460 KB	Output is correct
28	Correct	3 ms	460 KB	Output is correct
29	Correct	2 ms	460 KB	Output is correct
30	Correct	3 ms	460 KB	Output is correct
31	Correct	2 ms	460 KB	Output is correct
32	Correct	2 ms	460 KB	Output is correct
33	Correct	2 ms	460 KB	Output is correct
34	Correct	2 ms	460 KB	Output is correct
35	Correct	3 ms	456 KB	Output is correct
36	Correct	2 ms	460 KB	Output is correct
37	Correct	2 ms	460 KB	Output is correct
38	Correct	3 ms	460 KB	Output is correct
39	Correct	2 ms	460 KB	Output is correct
40	Correct	2 ms	460 KB	Output is correct
41	Correct	2 ms	460 KB	Output is correct
42	Correct	2 ms	460 KB	Output is correct
43	Correct	3 ms	460 KB	Output is correct
44	Correct	2 ms	508 KB	Output is correct
45	Correct	3 ms	460 KB	Output is correct
46	Correct	2 ms	460 KB	Output is correct
47	Correct	2 ms	460 KB	Output is correct
48	Correct	3 ms	512 KB	Output is correct
49	Correct	2 ms	460 KB	Output is correct
50	Correct	2 ms	460 KB	Output is correct
51	Correct	2 ms	460 KB	Output is correct

Subtask #4
50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	1 ms	312 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	1 ms	316 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	1 ms	332 KB	Output is correct
14	Correct	1 ms	332 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	1 ms	332 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	0 ms	204 KB	Output is correct
19	Correct	1 ms	332 KB	Output is correct
20	Correct	1 ms	316 KB	Output is correct
21	Correct	1 ms	332 KB	Output is correct
22	Correct	1 ms	324 KB	Output is correct
23	Correct	1 ms	320 KB	Output is correct
24	Correct	1 ms	332 KB	Output is correct
25	Correct	0 ms	332 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct
27	Correct	2 ms	460 KB	Output is correct
28	Correct	3 ms	460 KB	Output is correct
29	Correct	2 ms	460 KB	Output is correct
30	Correct	3 ms	460 KB	Output is correct
31	Correct	2 ms	460 KB	Output is correct
32	Correct	2 ms	460 KB	Output is correct
33	Correct	2 ms	460 KB	Output is correct
34	Correct	2 ms	460 KB	Output is correct
35	Correct	3 ms	456 KB	Output is correct
36	Correct	2 ms	460 KB	Output is correct
37	Correct	2 ms	460 KB	Output is correct
38	Correct	3 ms	460 KB	Output is correct
39	Correct	2 ms	460 KB	Output is correct
40	Correct	2 ms	460 KB	Output is correct
41	Correct	2 ms	460 KB	Output is correct
42	Correct	2 ms	460 KB	Output is correct
43	Correct	3 ms	460 KB	Output is correct
44	Correct	2 ms	508 KB	Output is correct
45	Correct	3 ms	460 KB	Output is correct
46	Correct	2 ms	460 KB	Output is correct
47	Correct	2 ms	460 KB	Output is correct
48	Correct	3 ms	512 KB	Output is correct
49	Correct	2 ms	460 KB	Output is correct
50	Correct	2 ms	460 KB	Output is correct
51	Correct	2 ms	460 KB	Output is correct
52	Correct	202 ms	24640 KB	Output is correct
53	Correct	204 ms	24628 KB	Output is correct
54	Correct	206 ms	24900 KB	Output is correct
55	Correct	197 ms	24644 KB	Output is correct
56	Correct	193 ms	24784 KB	Output is correct
57	Correct	197 ms	24808 KB	Output is correct
58	Correct	198 ms	24652 KB	Output is correct
59	Correct	197 ms	24768 KB	Output is correct
60	Correct	215 ms	24652 KB	Output is correct
61	Correct	202 ms	24528 KB	Output is correct
62	Correct	223 ms	24648 KB	Output is correct
63	Correct	201 ms	24664 KB	Output is correct
64	Correct	215 ms	24776 KB	Output is correct
65	Correct	200 ms	24664 KB	Output is correct
66	Correct	227 ms	24664 KB	Output is correct
67	Correct	193 ms	24780 KB	Output is correct
68	Correct	190 ms	24644 KB	Output is correct

Submission #476342

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