Submission #157777

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
157777	2019-10-12T21:38:26 Z	ZwariowanyMarcin	Art Exhibition (JOI18_art)	C++14	100 / 100	275 ms	24824 KB

#pragma GCC optimize("O3")
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define ll long long
#define mp make_pair
#define pb push_back
#define ld long double
#define ss(x) (int) x.size()
#define FOR(i, j, n) for(int i = j; i <= n; ++i)
#define fi first
#define se second
#define cat(x) cerr << #x << " = " << x << endl;
#define ios cin.tie(0); ios_base::sync_with_stdio(0)
 
 
using namespace std;	

const int nax = 5e5 + 11;

int n;
pair<ll, int> a[nax];
ll pref[nax];
ll best = -1e18;
ll ans = 0;

int main() {
	scanf("%d", &n);
	FOR(i, 1, n)
		scanf("%lld %d", &a[i].fi, &a[i].se);
	sort(a + 1, a + n + 1);
	FOR(i, 1, n)
		pref[i] = pref[i - 1] + a[i].se;
	best = a[1].fi;
	FOR(i, 1, n) {
		ans = max(ans, pref[i] + best - a[i].fi);
		best = max(best, -pref[i] + a[i + 1].fi);
	}
	printf("%lld", ans);
	
	
	
	return 0;
}

Compilation message

art.cpp: In function 'int main()':
art.cpp:28:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
  ~~~~~^~~~~~~~~~
art.cpp:30:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld %d", &a[i].fi, &a[i].se);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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	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	376 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	2 ms	376 KB	Output is correct
15	Correct	3 ms	376 KB	Output is correct
16	Correct	3 ms	504 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	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	2 ms	376 KB	Output is correct
15	Correct	3 ms	376 KB	Output is correct
16	Correct	3 ms	504 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	632 KB	Output is correct
28	Correct	4 ms	632 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	5 ms	632 KB	Output is correct
34	Correct	5 ms	632 KB	Output is correct
35	Correct	4 ms	632 KB	Output is correct
36	Correct	4 ms	504 KB	Output is correct
37	Correct	4 ms	504 KB	Output is correct
38	Correct	4 ms	680 KB	Output is correct
39	Correct	5 ms	632 KB	Output is correct
40	Correct	4 ms	632 KB	Output is correct
41	Correct	5 ms	632 KB	Output is correct
42	Correct	4 ms	632 KB	Output is correct
43	Correct	4 ms	760 KB	Output is correct
44	Correct	4 ms	632 KB	Output is correct
45	Correct	4 ms	504 KB	Output is correct
46	Correct	4 ms	632 KB	Output is correct
47	Correct	4 ms	632 KB	Output is correct
48	Correct	4 ms	632 KB	Output is correct
49	Correct	4 ms	504 KB	Output is correct
50	Correct	4 ms	632 KB	Output is correct
51	Correct	4 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	376 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	2 ms	376 KB	Output is correct
15	Correct	3 ms	376 KB	Output is correct
16	Correct	3 ms	504 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	632 KB	Output is correct
28	Correct	4 ms	632 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	5 ms	632 KB	Output is correct
34	Correct	5 ms	632 KB	Output is correct
35	Correct	4 ms	632 KB	Output is correct
36	Correct	4 ms	504 KB	Output is correct
37	Correct	4 ms	504 KB	Output is correct
38	Correct	4 ms	680 KB	Output is correct
39	Correct	5 ms	632 KB	Output is correct
40	Correct	4 ms	632 KB	Output is correct
41	Correct	5 ms	632 KB	Output is correct
42	Correct	4 ms	632 KB	Output is correct
43	Correct	4 ms	760 KB	Output is correct
44	Correct	4 ms	632 KB	Output is correct
45	Correct	4 ms	504 KB	Output is correct
46	Correct	4 ms	632 KB	Output is correct
47	Correct	4 ms	632 KB	Output is correct
48	Correct	4 ms	632 KB	Output is correct
49	Correct	4 ms	504 KB	Output is correct
50	Correct	4 ms	632 KB	Output is correct
51	Correct	4 ms	632 KB	Output is correct
52	Correct	275 ms	24580 KB	Output is correct
53	Correct	262 ms	24696 KB	Output is correct
54	Correct	263 ms	24732 KB	Output is correct
55	Correct	263 ms	24688 KB	Output is correct
56	Correct	261 ms	24824 KB	Output is correct
57	Correct	262 ms	24664 KB	Output is correct
58	Correct	267 ms	24712 KB	Output is correct
59	Correct	261 ms	24696 KB	Output is correct
60	Correct	260 ms	24680 KB	Output is correct
61	Correct	264 ms	24604 KB	Output is correct
62	Correct	261 ms	24696 KB	Output is correct
63	Correct	267 ms	24792 KB	Output is correct
64	Correct	264 ms	24748 KB	Output is correct
65	Correct	262 ms	24696 KB	Output is correct
66	Correct	263 ms	24776 KB	Output is correct
67	Correct	263 ms	24788 KB	Output is correct
68	Correct	255 ms	24672 KB	Output is correct

Submission #157777

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