Submission #127284

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
127284	2019-07-09T07:48:53 Z	hungcung	Art Exhibition (JOI18_art)	C++14	100 / 100	262 ms	8396 KB

art

#include<bits/stdc++.h>
#pragma GCC Optimize ("O3")
using namespace std;
long long n,sum,ans=INT_MIN,tmp=INT_MIN;
pair<long long,long long> a[500005];
int main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	scanf("%lld",&n);
	for(long long i=0;i<n;i++){
		scanf("%lld %lld",&a[i].first,&a[i].second);
	}
	sort(a,a+n);
	for(long long i=0;i<n;i++){
		tmp=max(tmp,a[i].first-sum);
		sum+=a[i].second;
		ans=max(ans,sum-a[i].first+tmp);
	}
	printf("%lld",ans);
}

Compilation message

art.cpp:2:0: warning: ignoring #pragma GCC Optimize [-Wunknown-pragmas]
 #pragma GCC Optimize ("O3")
 
art.cpp: In function 'int main()':
art.cpp:9:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld",&n);
  ~~~~~^~~~~~~~~~~
art.cpp:11:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld %lld",&a[i].first,&a[i].second);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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	380 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	380 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	276 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	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	380 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	276 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	376 KB	Output is correct
28	Correct	4 ms	476 KB	Output is correct
29	Correct	4 ms	376 KB	Output is correct
30	Correct	4 ms	380 KB	Output is correct
31	Correct	4 ms	376 KB	Output is correct
32	Correct	5 ms	504 KB	Output is correct
33	Correct	4 ms	376 KB	Output is correct
34	Correct	5 ms	504 KB	Output is correct
35	Correct	4 ms	508 KB	Output is correct
36	Correct	5 ms	504 KB	Output is correct
37	Correct	5 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	376 KB	Output is correct
41	Correct	4 ms	504 KB	Output is correct
42	Correct	4 ms	376 KB	Output is correct
43	Correct	4 ms	376 KB	Output is correct
44	Correct	4 ms	380 KB	Output is correct
45	Correct	4 ms	376 KB	Output is correct
46	Correct	4 ms	376 KB	Output is correct
47	Correct	4 ms	504 KB	Output is correct
48	Correct	4 ms	504 KB	Output is correct
49	Correct	4 ms	504 KB	Output is correct
50	Correct	4 ms	380 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	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	380 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	276 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	376 KB	Output is correct
28	Correct	4 ms	476 KB	Output is correct
29	Correct	4 ms	376 KB	Output is correct
30	Correct	4 ms	380 KB	Output is correct
31	Correct	4 ms	376 KB	Output is correct
32	Correct	5 ms	504 KB	Output is correct
33	Correct	4 ms	376 KB	Output is correct
34	Correct	5 ms	504 KB	Output is correct
35	Correct	4 ms	508 KB	Output is correct
36	Correct	5 ms	504 KB	Output is correct
37	Correct	5 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	376 KB	Output is correct
41	Correct	4 ms	504 KB	Output is correct
42	Correct	4 ms	376 KB	Output is correct
43	Correct	4 ms	376 KB	Output is correct
44	Correct	4 ms	380 KB	Output is correct
45	Correct	4 ms	376 KB	Output is correct
46	Correct	4 ms	376 KB	Output is correct
47	Correct	4 ms	504 KB	Output is correct
48	Correct	4 ms	504 KB	Output is correct
49	Correct	4 ms	504 KB	Output is correct
50	Correct	4 ms	380 KB	Output is correct
51	Correct	4 ms	504 KB	Output is correct
52	Correct	262 ms	8180 KB	Output is correct
53	Correct	258 ms	8312 KB	Output is correct
54	Correct	250 ms	8184 KB	Output is correct
55	Correct	254 ms	8184 KB	Output is correct
56	Correct	257 ms	8200 KB	Output is correct
57	Correct	251 ms	8312 KB	Output is correct
58	Correct	257 ms	8396 KB	Output is correct
59	Correct	256 ms	8184 KB	Output is correct
60	Correct	257 ms	8312 KB	Output is correct
61	Correct	259 ms	8272 KB	Output is correct
62	Correct	255 ms	8244 KB	Output is correct
63	Correct	260 ms	8284 KB	Output is correct
64	Correct	255 ms	8316 KB	Output is correct
65	Correct	256 ms	8184 KB	Output is correct
66	Correct	252 ms	8184 KB	Output is correct
67	Correct	252 ms	8184 KB	Output is correct
68	Correct	251 ms	8332 KB	Output is correct