Submission #47013

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
47013	2018-04-26T11:22:51 Z	leejseo	Art Exhibition (JOI18_art)	C++17	100 / 100	326 ms	20436 KB

#include <stdio.h>
#include <utility>
#include <algorithm>
#include <vector>
using namespace std;
#define MAXN 500002
typedef long long lld;
typedef pair<lld, lld> pll;
lld S[MAXN], X[MAXN], Y[MAXN], ans;
vector<pll> U;
int N;
int main(void){
	scanf("%d", &N);
	lld a, b;
	for (int i=0; i<N; i++){
		scanf("%lld%lld", &a, &b);
		U.push_back(make_pair(a, b));
	}
	sort(U.begin(), U.end());
	for (int i=0; i<N; i++){
		S[i+1] = S[i] + U[i].second;
	}
	Y[0] = -(U[0].first);
	for (int i=1; i<=N; i++){
		X[i] = S[i] - U[i-1].first;
		if (i != N) Y[i] = min(Y[i-1], S[i]-U[i].first);
	}
	for (int i=0; i<N; i++) ans = max(ans, X[i+1]-Y[i]);
	printf("%lld", ans);
}

Compilation message

art.cpp: In function 'int main()':
art.cpp:13:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &N);
  ~~~~~^~~~~~~~~~
art.cpp:16:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld%lld", &a, &b);
   ~~~~~^~~~~~~~~~~~~~~~~~~~

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	464 KB	Output is correct
3	Correct	2 ms	464 KB	Output is correct
4	Correct	2 ms	464 KB	Output is correct
5	Correct	2 ms	464 KB	Output is correct
6	Correct	2 ms	464 KB	Output is correct
7	Correct	2 ms	464 KB	Output is correct
8	Correct	2 ms	464 KB	Output is correct
9	Correct	2 ms	464 KB	Output is correct
10	Correct	2 ms	464 KB	Output is correct
11	Correct	2 ms	464 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	464 KB	Output is correct
3	Correct	2 ms	464 KB	Output is correct
4	Correct	2 ms	464 KB	Output is correct
5	Correct	2 ms	464 KB	Output is correct
6	Correct	2 ms	464 KB	Output is correct
7	Correct	2 ms	464 KB	Output is correct
8	Correct	2 ms	464 KB	Output is correct
9	Correct	2 ms	464 KB	Output is correct
10	Correct	2 ms	464 KB	Output is correct
11	Correct	2 ms	464 KB	Output is correct
12	Correct	2 ms	464 KB	Output is correct
13	Correct	2 ms	508 KB	Output is correct
14	Correct	2 ms	636 KB	Output is correct
15	Correct	2 ms	636 KB	Output is correct
16	Correct	2 ms	636 KB	Output is correct
17	Correct	2 ms	636 KB	Output is correct
18	Correct	2 ms	636 KB	Output is correct
19	Correct	2 ms	636 KB	Output is correct
20	Correct	2 ms	696 KB	Output is correct
21	Correct	2 ms	696 KB	Output is correct
22	Correct	2 ms	696 KB	Output is correct
23	Correct	2 ms	696 KB	Output is correct
24	Correct	2 ms	696 KB	Output is correct
25	Correct	2 ms	696 KB	Output is correct
26	Correct	2 ms	748 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	464 KB	Output is correct
3	Correct	2 ms	464 KB	Output is correct
4	Correct	2 ms	464 KB	Output is correct
5	Correct	2 ms	464 KB	Output is correct
6	Correct	2 ms	464 KB	Output is correct
7	Correct	2 ms	464 KB	Output is correct
8	Correct	2 ms	464 KB	Output is correct
9	Correct	2 ms	464 KB	Output is correct
10	Correct	2 ms	464 KB	Output is correct
11	Correct	2 ms	464 KB	Output is correct
12	Correct	2 ms	464 KB	Output is correct
13	Correct	2 ms	508 KB	Output is correct
14	Correct	2 ms	636 KB	Output is correct
15	Correct	2 ms	636 KB	Output is correct
16	Correct	2 ms	636 KB	Output is correct
17	Correct	2 ms	636 KB	Output is correct
18	Correct	2 ms	636 KB	Output is correct
19	Correct	2 ms	636 KB	Output is correct
20	Correct	2 ms	696 KB	Output is correct
21	Correct	2 ms	696 KB	Output is correct
22	Correct	2 ms	696 KB	Output is correct
23	Correct	2 ms	696 KB	Output is correct
24	Correct	2 ms	696 KB	Output is correct
25	Correct	2 ms	696 KB	Output is correct
26	Correct	2 ms	748 KB	Output is correct
27	Correct	4 ms	892 KB	Output is correct
28	Correct	4 ms	892 KB	Output is correct
29	Correct	4 ms	892 KB	Output is correct
30	Correct	5 ms	892 KB	Output is correct
31	Correct	4 ms	892 KB	Output is correct
32	Correct	4 ms	892 KB	Output is correct
33	Correct	4 ms	892 KB	Output is correct
34	Correct	6 ms	892 KB	Output is correct
35	Correct	6 ms	892 KB	Output is correct
36	Correct	4 ms	892 KB	Output is correct
37	Correct	4 ms	948 KB	Output is correct
38	Correct	6 ms	948 KB	Output is correct
39	Correct	4 ms	948 KB	Output is correct
40	Correct	4 ms	948 KB	Output is correct
41	Correct	6 ms	948 KB	Output is correct
42	Correct	4 ms	948 KB	Output is correct
43	Correct	4 ms	948 KB	Output is correct
44	Correct	4 ms	948 KB	Output is correct
45	Correct	6 ms	948 KB	Output is correct
46	Correct	5 ms	948 KB	Output is correct
47	Correct	4 ms	948 KB	Output is correct
48	Correct	4 ms	948 KB	Output is correct
49	Correct	7 ms	948 KB	Output is correct
50	Correct	4 ms	948 KB	Output is correct
51	Correct	5 ms	948 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	464 KB	Output is correct
3	Correct	2 ms	464 KB	Output is correct
4	Correct	2 ms	464 KB	Output is correct
5	Correct	2 ms	464 KB	Output is correct
6	Correct	2 ms	464 KB	Output is correct
7	Correct	2 ms	464 KB	Output is correct
8	Correct	2 ms	464 KB	Output is correct
9	Correct	2 ms	464 KB	Output is correct
10	Correct	2 ms	464 KB	Output is correct
11	Correct	2 ms	464 KB	Output is correct
12	Correct	2 ms	464 KB	Output is correct
13	Correct	2 ms	508 KB	Output is correct
14	Correct	2 ms	636 KB	Output is correct
15	Correct	2 ms	636 KB	Output is correct
16	Correct	2 ms	636 KB	Output is correct
17	Correct	2 ms	636 KB	Output is correct
18	Correct	2 ms	636 KB	Output is correct
19	Correct	2 ms	636 KB	Output is correct
20	Correct	2 ms	696 KB	Output is correct
21	Correct	2 ms	696 KB	Output is correct
22	Correct	2 ms	696 KB	Output is correct
23	Correct	2 ms	696 KB	Output is correct
24	Correct	2 ms	696 KB	Output is correct
25	Correct	2 ms	696 KB	Output is correct
26	Correct	2 ms	748 KB	Output is correct
27	Correct	4 ms	892 KB	Output is correct
28	Correct	4 ms	892 KB	Output is correct
29	Correct	4 ms	892 KB	Output is correct
30	Correct	5 ms	892 KB	Output is correct
31	Correct	4 ms	892 KB	Output is correct
32	Correct	4 ms	892 KB	Output is correct
33	Correct	4 ms	892 KB	Output is correct
34	Correct	6 ms	892 KB	Output is correct
35	Correct	6 ms	892 KB	Output is correct
36	Correct	4 ms	892 KB	Output is correct
37	Correct	4 ms	948 KB	Output is correct
38	Correct	6 ms	948 KB	Output is correct
39	Correct	4 ms	948 KB	Output is correct
40	Correct	4 ms	948 KB	Output is correct
41	Correct	6 ms	948 KB	Output is correct
42	Correct	4 ms	948 KB	Output is correct
43	Correct	4 ms	948 KB	Output is correct
44	Correct	4 ms	948 KB	Output is correct
45	Correct	6 ms	948 KB	Output is correct
46	Correct	5 ms	948 KB	Output is correct
47	Correct	4 ms	948 KB	Output is correct
48	Correct	4 ms	948 KB	Output is correct
49	Correct	7 ms	948 KB	Output is correct
50	Correct	4 ms	948 KB	Output is correct
51	Correct	5 ms	948 KB	Output is correct
52	Correct	284 ms	20276 KB	Output is correct
53	Correct	284 ms	20328 KB	Output is correct
54	Correct	273 ms	20328 KB	Output is correct
55	Correct	268 ms	20364 KB	Output is correct
56	Correct	307 ms	20364 KB	Output is correct
57	Correct	294 ms	20412 KB	Output is correct
58	Correct	262 ms	20428 KB	Output is correct
59	Correct	270 ms	20428 KB	Output is correct
60	Correct	275 ms	20436 KB	Output is correct
61	Correct	298 ms	20436 KB	Output is correct
62	Correct	266 ms	20436 KB	Output is correct
63	Correct	272 ms	20436 KB	Output is correct
64	Correct	278 ms	20436 KB	Output is correct
65	Correct	280 ms	20436 KB	Output is correct
66	Correct	296 ms	20436 KB	Output is correct
67	Correct	287 ms	20436 KB	Output is correct
68	Correct	326 ms	20436 KB	Output is correct

Submission #47013

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