Submission #146448

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
146448	2019-08-24T05:11:09 Z	MathStudent2002	Art Exhibition (JOI18_art)	C++14	100 / 100	268 ms	28660 KB

art

//wait darn

#include<bits/stdc++.h>

using namespace std;

#define x first
#define y second

typedef long long ll;
typedef pair<ll,ll> art;

const int MAXN = 1024576;

int N;
art muse[MAXN];
ll cost[MAXN];
ll psum[MAXN];

void input() {
    cin >> N;
    for(int i = 0; i < N; i++) {
        cin >> muse[i].x >> muse[i].y;
    }
    sort(muse, muse+N);
}

void process() {
    cost[0] = 0;
    for(int i = 1; i < N; i++) {
        cost[i] = muse[i].y - (muse[i].x - muse[i-1].x);
        //cout << cost[i] << endl;
    }
    psum[0] = 0;
    for(int i = 1; i < N; i++) {psum[i] = psum[i-1]+cost[i];}
}

void solve() {
    ll ans = 0;
    ll curm = psum[N-1];
    for(int i = N-1; i >= 0; i--) {
        curm = max(curm, psum[i]);
        ans = max(ans, curm-psum[i]+muse[i].y);
    }
    cout << ans << endl;
}

int main() {
    ios_base::sync_with_stdio(false);
    input();
    process();
    solve();
}

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	380 KB	Output is correct
5	Correct	2 ms	376 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	376 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	380 KB	Output is correct
5	Correct	2 ms	376 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	376 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	3 ms	348 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	380 KB	Output is correct
5	Correct	2 ms	376 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	376 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	3 ms	348 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	5 ms	632 KB	Output is correct
28	Correct	5 ms	636 KB	Output is correct
29	Correct	5 ms	632 KB	Output is correct
30	Correct	5 ms	628 KB	Output is correct
31	Correct	5 ms	688 KB	Output is correct
32	Correct	5 ms	632 KB	Output is correct
33	Correct	5 ms	632 KB	Output is correct
34	Correct	5 ms	636 KB	Output is correct
35	Correct	5 ms	632 KB	Output is correct
36	Correct	5 ms	636 KB	Output is correct
37	Correct	5 ms	632 KB	Output is correct
38	Correct	5 ms	632 KB	Output is correct
39	Correct	5 ms	632 KB	Output is correct
40	Correct	5 ms	632 KB	Output is correct
41	Correct	6 ms	632 KB	Output is correct
42	Correct	5 ms	632 KB	Output is correct
43	Correct	5 ms	556 KB	Output is correct
44	Correct	5 ms	760 KB	Output is correct
45	Correct	5 ms	632 KB	Output is correct
46	Correct	5 ms	632 KB	Output is correct
47	Correct	5 ms	632 KB	Output is correct
48	Correct	5 ms	632 KB	Output is correct
49	Correct	5 ms	632 KB	Output is correct
50	Correct	5 ms	632 KB	Output is correct
51	Correct	5 ms	632 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	380 KB	Output is correct
5	Correct	2 ms	376 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	376 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	3 ms	348 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	5 ms	632 KB	Output is correct
28	Correct	5 ms	636 KB	Output is correct
29	Correct	5 ms	632 KB	Output is correct
30	Correct	5 ms	628 KB	Output is correct
31	Correct	5 ms	688 KB	Output is correct
32	Correct	5 ms	632 KB	Output is correct
33	Correct	5 ms	632 KB	Output is correct
34	Correct	5 ms	636 KB	Output is correct
35	Correct	5 ms	632 KB	Output is correct
36	Correct	5 ms	636 KB	Output is correct
37	Correct	5 ms	632 KB	Output is correct
38	Correct	5 ms	632 KB	Output is correct
39	Correct	5 ms	632 KB	Output is correct
40	Correct	5 ms	632 KB	Output is correct
41	Correct	6 ms	632 KB	Output is correct
42	Correct	5 ms	632 KB	Output is correct
43	Correct	5 ms	556 KB	Output is correct
44	Correct	5 ms	760 KB	Output is correct
45	Correct	5 ms	632 KB	Output is correct
46	Correct	5 ms	632 KB	Output is correct
47	Correct	5 ms	632 KB	Output is correct
48	Correct	5 ms	632 KB	Output is correct
49	Correct	5 ms	632 KB	Output is correct
50	Correct	5 ms	632 KB	Output is correct
51	Correct	5 ms	632 KB	Output is correct
52	Correct	263 ms	16188 KB	Output is correct
53	Correct	262 ms	16212 KB	Output is correct
54	Correct	268 ms	16120 KB	Output is correct
55	Correct	262 ms	16140 KB	Output is correct
56	Correct	263 ms	16084 KB	Output is correct
57	Correct	263 ms	16120 KB	Output is correct
58	Correct	261 ms	16248 KB	Output is correct
59	Correct	262 ms	16120 KB	Output is correct
60	Correct	261 ms	16120 KB	Output is correct
61	Correct	261 ms	16428 KB	Output is correct
62	Correct	261 ms	16184 KB	Output is correct
63	Correct	262 ms	16120 KB	Output is correct
64	Correct	268 ms	16296 KB	Output is correct
65	Correct	263 ms	16104 KB	Output is correct
66	Correct	263 ms	16120 KB	Output is correct
67	Correct	262 ms	16248 KB	Output is correct
68	Correct	264 ms	28660 KB	Output is correct