Submission #931923

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
931923	2024-02-22T14:42:36 Z	lovrot	Art Exhibition (JOI18_art)	C++17	100 / 100	175 ms	23048 KB

#include <cstdio> 
#include <algorithm> 
#include <cstring> 
#include <cmath> 
#include <iostream> 
#include <set> 
#include <queue> 
#include <deque> 
#include <vector> 
#include <random> 
#include <chrono> 

#define X first
#define Y second
#define PB push_back
#define EB emplace_back

using namespace std; 

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

const int MOD = 1e9 + 7; // 998 244 353;
const int N = 5e5 + 10; 
const ll OO = 1e18;

int n, I[N]; 
ll A[N], B[N];

ll prf, xam = -OO, ans; 

int main() {
	scanf("%d", &n); 
	for(int i = 0; i < n; ++i) {
		scanf("%lld%lld\n", A + i, B + i); 
		I[i] = i;
	}
	sort(I, I + n, [](int a, int b) { return A[a] < A[b]; });
	for(int i = 0; i < n; ++i) {
		xam = max(xam, -prf + A[I[i]]);
		prf += B[I[i]];
		ans = max(ans, prf - A[I[i]] + xam);
	}
	printf("%lld\n", ans);
	return 0;
}

Compilation message

art.cpp: In function 'int main()':
art.cpp:34:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   34 |  scanf("%d", &n);
      |  ~~~~~^~~~~~~~~~
art.cpp:36:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   36 |   scanf("%lld%lld\n", A + i, B + i);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	4444 KB	Output is correct
2	Correct	2 ms	4444 KB	Output is correct
3	Correct	2 ms	4540 KB	Output is correct
4	Correct	2 ms	4444 KB	Output is correct
5	Correct	2 ms	4548 KB	Output is correct
6	Correct	1 ms	4444 KB	Output is correct
7	Correct	1 ms	4444 KB	Output is correct
8	Correct	1 ms	4444 KB	Output is correct
9	Correct	1 ms	4444 KB	Output is correct
10	Correct	1 ms	4444 KB	Output is correct
11	Correct	1 ms	4544 KB	Output is correct

Subtask #2
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	4444 KB	Output is correct
2	Correct	2 ms	4444 KB	Output is correct
3	Correct	2 ms	4540 KB	Output is correct
4	Correct	2 ms	4444 KB	Output is correct
5	Correct	2 ms	4548 KB	Output is correct
6	Correct	1 ms	4444 KB	Output is correct
7	Correct	1 ms	4444 KB	Output is correct
8	Correct	1 ms	4444 KB	Output is correct
9	Correct	1 ms	4444 KB	Output is correct
10	Correct	1 ms	4444 KB	Output is correct
11	Correct	1 ms	4544 KB	Output is correct
12	Correct	2 ms	4600 KB	Output is correct
13	Correct	1 ms	4444 KB	Output is correct
14	Correct	2 ms	4696 KB	Output is correct
15	Correct	1 ms	4440 KB	Output is correct
16	Correct	1 ms	4444 KB	Output is correct
17	Correct	1 ms	4556 KB	Output is correct
18	Correct	1 ms	4696 KB	Output is correct
19	Correct	1 ms	4696 KB	Output is correct
20	Correct	1 ms	4444 KB	Output is correct
21	Correct	1 ms	4444 KB	Output is correct
22	Correct	1 ms	4444 KB	Output is correct
23	Correct	1 ms	4444 KB	Output is correct
24	Correct	1 ms	4444 KB	Output is correct
25	Correct	1 ms	4444 KB	Output is correct
26	Correct	1 ms	4444 KB	Output is correct

Subtask #3
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	4444 KB	Output is correct
2	Correct	2 ms	4444 KB	Output is correct
3	Correct	2 ms	4540 KB	Output is correct
4	Correct	2 ms	4444 KB	Output is correct
5	Correct	2 ms	4548 KB	Output is correct
6	Correct	1 ms	4444 KB	Output is correct
7	Correct	1 ms	4444 KB	Output is correct
8	Correct	1 ms	4444 KB	Output is correct
9	Correct	1 ms	4444 KB	Output is correct
10	Correct	1 ms	4444 KB	Output is correct
11	Correct	1 ms	4544 KB	Output is correct
12	Correct	2 ms	4600 KB	Output is correct
13	Correct	1 ms	4444 KB	Output is correct
14	Correct	2 ms	4696 KB	Output is correct
15	Correct	1 ms	4440 KB	Output is correct
16	Correct	1 ms	4444 KB	Output is correct
17	Correct	1 ms	4556 KB	Output is correct
18	Correct	1 ms	4696 KB	Output is correct
19	Correct	1 ms	4696 KB	Output is correct
20	Correct	1 ms	4444 KB	Output is correct
21	Correct	1 ms	4444 KB	Output is correct
22	Correct	1 ms	4444 KB	Output is correct
23	Correct	1 ms	4444 KB	Output is correct
24	Correct	1 ms	4444 KB	Output is correct
25	Correct	1 ms	4444 KB	Output is correct
26	Correct	1 ms	4444 KB	Output is correct
27	Correct	2 ms	4696 KB	Output is correct
28	Correct	4 ms	4664 KB	Output is correct
29	Correct	2 ms	4700 KB	Output is correct
30	Correct	3 ms	4700 KB	Output is correct
31	Correct	2 ms	4700 KB	Output is correct
32	Correct	4 ms	4700 KB	Output is correct
33	Correct	2 ms	4700 KB	Output is correct
34	Correct	2 ms	4700 KB	Output is correct
35	Correct	2 ms	4712 KB	Output is correct
36	Correct	2 ms	4696 KB	Output is correct
37	Correct	2 ms	4700 KB	Output is correct
38	Correct	2 ms	4700 KB	Output is correct
39	Correct	2 ms	4700 KB	Output is correct
40	Correct	2 ms	4664 KB	Output is correct
41	Correct	2 ms	4700 KB	Output is correct
42	Correct	2 ms	4712 KB	Output is correct
43	Correct	2 ms	4700 KB	Output is correct
44	Correct	2 ms	4668 KB	Output is correct
45	Correct	2 ms	4692 KB	Output is correct
46	Correct	2 ms	4700 KB	Output is correct
47	Correct	2 ms	4496 KB	Output is correct
48	Correct	2 ms	4700 KB	Output is correct
49	Correct	2 ms	4700 KB	Output is correct
50	Correct	2 ms	4700 KB	Output is correct
51	Correct	2 ms	4700 KB	Output is correct

Subtask #4
50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	4444 KB	Output is correct
2	Correct	2 ms	4444 KB	Output is correct
3	Correct	2 ms	4540 KB	Output is correct
4	Correct	2 ms	4444 KB	Output is correct
5	Correct	2 ms	4548 KB	Output is correct
6	Correct	1 ms	4444 KB	Output is correct
7	Correct	1 ms	4444 KB	Output is correct
8	Correct	1 ms	4444 KB	Output is correct
9	Correct	1 ms	4444 KB	Output is correct
10	Correct	1 ms	4444 KB	Output is correct
11	Correct	1 ms	4544 KB	Output is correct
12	Correct	2 ms	4600 KB	Output is correct
13	Correct	1 ms	4444 KB	Output is correct
14	Correct	2 ms	4696 KB	Output is correct
15	Correct	1 ms	4440 KB	Output is correct
16	Correct	1 ms	4444 KB	Output is correct
17	Correct	1 ms	4556 KB	Output is correct
18	Correct	1 ms	4696 KB	Output is correct
19	Correct	1 ms	4696 KB	Output is correct
20	Correct	1 ms	4444 KB	Output is correct
21	Correct	1 ms	4444 KB	Output is correct
22	Correct	1 ms	4444 KB	Output is correct
23	Correct	1 ms	4444 KB	Output is correct
24	Correct	1 ms	4444 KB	Output is correct
25	Correct	1 ms	4444 KB	Output is correct
26	Correct	1 ms	4444 KB	Output is correct
27	Correct	2 ms	4696 KB	Output is correct
28	Correct	4 ms	4664 KB	Output is correct
29	Correct	2 ms	4700 KB	Output is correct
30	Correct	3 ms	4700 KB	Output is correct
31	Correct	2 ms	4700 KB	Output is correct
32	Correct	4 ms	4700 KB	Output is correct
33	Correct	2 ms	4700 KB	Output is correct
34	Correct	2 ms	4700 KB	Output is correct
35	Correct	2 ms	4712 KB	Output is correct
36	Correct	2 ms	4696 KB	Output is correct
37	Correct	2 ms	4700 KB	Output is correct
38	Correct	2 ms	4700 KB	Output is correct
39	Correct	2 ms	4700 KB	Output is correct
40	Correct	2 ms	4664 KB	Output is correct
41	Correct	2 ms	4700 KB	Output is correct
42	Correct	2 ms	4712 KB	Output is correct
43	Correct	2 ms	4700 KB	Output is correct
44	Correct	2 ms	4668 KB	Output is correct
45	Correct	2 ms	4692 KB	Output is correct
46	Correct	2 ms	4700 KB	Output is correct
47	Correct	2 ms	4496 KB	Output is correct
48	Correct	2 ms	4700 KB	Output is correct
49	Correct	2 ms	4700 KB	Output is correct
50	Correct	2 ms	4700 KB	Output is correct
51	Correct	2 ms	4700 KB	Output is correct
52	Correct	152 ms	23048 KB	Output is correct
53	Correct	151 ms	22608 KB	Output is correct
54	Correct	153 ms	22704 KB	Output is correct
55	Correct	157 ms	23024 KB	Output is correct
56	Correct	150 ms	22680 KB	Output is correct
57	Correct	163 ms	22840 KB	Output is correct
58	Correct	159 ms	22920 KB	Output is correct
59	Correct	150 ms	22628 KB	Output is correct
60	Correct	152 ms	22740 KB	Output is correct
61	Correct	156 ms	22672 KB	Output is correct
62	Correct	175 ms	22712 KB	Output is correct
63	Correct	153 ms	22608 KB	Output is correct
64	Correct	151 ms	22844 KB	Output is correct
65	Correct	150 ms	22832 KB	Output is correct
66	Correct	151 ms	22732 KB	Output is correct
67	Correct	153 ms	23004 KB	Output is correct
68	Correct	151 ms	22892 KB	Output is correct

Submission #931923

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