Submission #330227

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
330227	2020-11-24T07:46:00 Z	maximath_1	Art Exhibition (JOI18_art)	C++11	100 / 100	232 ms	13676 KB

art

#include <iostream>
#include <vector>
#include <assert.h>
#include <random>
#include <chrono>
#include <iomanip>
#include <algorithm>
#include <set>
#include <queue>
#include <unordered_set>
using namespace std;

#define endl "\n"
#define ll long long
const ll inf = 1e9 + 69;
const int MX = 5e5 + 5;
const int LG = (int)log2(MX);
const ll mod = 1e9 + 7;
const int BLOCK = 450;

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

pair<ll, ll> a[MX];
int n; ll ans = -inf * inf, tmp = -inf * inf, sm = -inf * inf;

int main(){
	scanf("%d", &n);

	for(int i = 1; i <= n; i ++)
		scanf("%lld %lld", &a[i].first, &a[i].second);
	sort(a + 1, a + n + 1);

	for(int i = 1; i <= n; i ++){
		tmp = max(tmp, a[i].first - sm);
		sm += a[i].second;
		ans = max(ans, sm - a[i].first + tmp);
	}

	printf("%lld\n", ans);
	return 0;
}

Compilation message

art.cpp: In function 'int main()':
art.cpp:27:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   27 |  scanf("%d", &n);
      |  ~~~~~^~~~~~~~~~
art.cpp:30:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   30 |   scanf("%lld %lld", &a[i].first, &a[i].second);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct

Subtask #2

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	1 ms	364 KB	Output is correct
22	Correct	1 ms	364 KB	Output is correct
23	Correct	1 ms	364 KB	Output is correct
24	Correct	1 ms	364 KB	Output is correct
25	Correct	1 ms	364 KB	Output is correct
26	Correct	1 ms	364 KB	Output is correct

Subtask #3

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	1 ms	364 KB	Output is correct
22	Correct	1 ms	364 KB	Output is correct
23	Correct	1 ms	364 KB	Output is correct
24	Correct	1 ms	364 KB	Output is correct
25	Correct	1 ms	364 KB	Output is correct
26	Correct	1 ms	364 KB	Output is correct
27	Correct	3 ms	492 KB	Output is correct
28	Correct	3 ms	492 KB	Output is correct
29	Correct	4 ms	492 KB	Output is correct
30	Correct	3 ms	492 KB	Output is correct
31	Correct	3 ms	492 KB	Output is correct
32	Correct	3 ms	492 KB	Output is correct
33	Correct	3 ms	492 KB	Output is correct
34	Correct	3 ms	492 KB	Output is correct
35	Correct	3 ms	492 KB	Output is correct
36	Correct	3 ms	492 KB	Output is correct
37	Correct	3 ms	492 KB	Output is correct
38	Correct	3 ms	492 KB	Output is correct
39	Correct	3 ms	492 KB	Output is correct
40	Correct	3 ms	492 KB	Output is correct
41	Correct	3 ms	512 KB	Output is correct
42	Correct	3 ms	492 KB	Output is correct
43	Correct	3 ms	492 KB	Output is correct
44	Correct	3 ms	492 KB	Output is correct
45	Correct	3 ms	492 KB	Output is correct
46	Correct	3 ms	492 KB	Output is correct
47	Correct	3 ms	492 KB	Output is correct
48	Correct	3 ms	492 KB	Output is correct
49	Correct	3 ms	492 KB	Output is correct
50	Correct	3 ms	492 KB	Output is correct
51	Correct	3 ms	492 KB	Output is correct

Subtask #4

50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	1 ms	364 KB	Output is correct
22	Correct	1 ms	364 KB	Output is correct
23	Correct	1 ms	364 KB	Output is correct
24	Correct	1 ms	364 KB	Output is correct
25	Correct	1 ms	364 KB	Output is correct
26	Correct	1 ms	364 KB	Output is correct
27	Correct	3 ms	492 KB	Output is correct
28	Correct	3 ms	492 KB	Output is correct
29	Correct	4 ms	492 KB	Output is correct
30	Correct	3 ms	492 KB	Output is correct
31	Correct	3 ms	492 KB	Output is correct
32	Correct	3 ms	492 KB	Output is correct
33	Correct	3 ms	492 KB	Output is correct
34	Correct	3 ms	492 KB	Output is correct
35	Correct	3 ms	492 KB	Output is correct
36	Correct	3 ms	492 KB	Output is correct
37	Correct	3 ms	492 KB	Output is correct
38	Correct	3 ms	492 KB	Output is correct
39	Correct	3 ms	492 KB	Output is correct
40	Correct	3 ms	492 KB	Output is correct
41	Correct	3 ms	512 KB	Output is correct
42	Correct	3 ms	492 KB	Output is correct
43	Correct	3 ms	492 KB	Output is correct
44	Correct	3 ms	492 KB	Output is correct
45	Correct	3 ms	492 KB	Output is correct
46	Correct	3 ms	492 KB	Output is correct
47	Correct	3 ms	492 KB	Output is correct
48	Correct	3 ms	492 KB	Output is correct
49	Correct	3 ms	492 KB	Output is correct
50	Correct	3 ms	492 KB	Output is correct
51	Correct	3 ms	492 KB	Output is correct
52	Correct	210 ms	13420 KB	Output is correct
53	Correct	207 ms	13464 KB	Output is correct
54	Correct	208 ms	13420 KB	Output is correct
55	Correct	232 ms	13548 KB	Output is correct
56	Correct	219 ms	13540 KB	Output is correct
57	Correct	203 ms	13420 KB	Output is correct
58	Correct	213 ms	13420 KB	Output is correct
59	Correct	206 ms	13528 KB	Output is correct
60	Correct	230 ms	13420 KB	Output is correct
61	Correct	205 ms	13420 KB	Output is correct
62	Correct	203 ms	13420 KB	Output is correct
63	Correct	206 ms	13420 KB	Output is correct
64	Correct	206 ms	13420 KB	Output is correct
65	Correct	207 ms	13676 KB	Output is correct
66	Correct	204 ms	13388 KB	Output is correct
67	Correct	215 ms	13548 KB	Output is correct
68	Correct	206 ms	13420 KB	Output is correct