Submission #753423

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
753423	2023-06-05T07:57:30 Z	IvanJ	Exhibition (JOI19_ho_t2)	C++17	100 / 100	77 ms	5580 KB

joi2019_ho_t2

#include<bits/stdc++.h>

#define x first
#define y second
#define pb push_back
#define all(a) (a).begin(), (a).end()

using namespace std;

typedef long long ll;
typedef pair<int, int> ii;

const int maxn = 1e5 + 5;

int n, m;
int s[maxn], v[maxn], c[maxn];
vector<ii> V;

int check(int pos) {
	for(ii p : V) 
		if(pos < m && p.y <= c[pos]) pos++;
	return (pos == m);
}

int main() {
	scanf("%d%d", &n, &m);
	for(int i = 0;i < n;i++) 
		scanf("%d%d", s + i, v + i);
	for(int i = 0;i < m;i++) 
		scanf("%d", c + i);
	
	for(int i = 0;i < n;i++) V.pb({v[i], s[i]});
	sort(all(V));
	sort(c, c + m);
	
	int lo = 0, hi = m - 1, ans = m;
	while(lo <= hi) {
		int mid = (lo + hi) / 2;
		if(check(mid)) ans = mid, hi = mid - 1;
		else lo = mid + 1;	
	}
	
	printf("%d\n", m - ans);
	return 0;
}

Compilation message

joi2019_ho_t2.cpp: In function 'int main()':
joi2019_ho_t2.cpp:26:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   26 |  scanf("%d%d", &n, &m);
      |  ~~~~~^~~~~~~~~~~~~~~~
joi2019_ho_t2.cpp:28:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   28 |   scanf("%d%d", s + i, v + i);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~
joi2019_ho_t2.cpp:30:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   30 |   scanf("%d", c + i);
      |   ~~~~~^~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	212 KB	Output is correct
2	Correct	1 ms	308 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	304 KB	Output is correct
5	Correct	1 ms	304 KB	Output is correct
6	Correct	1 ms	308 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	308 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct

Subtask #2
40.0 / 40.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	212 KB	Output is correct
2	Correct	1 ms	308 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	304 KB	Output is correct
5	Correct	1 ms	304 KB	Output is correct
6	Correct	1 ms	308 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	308 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	1 ms	328 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	2 ms	340 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	1 ms	320 KB	Output is correct
28	Correct	1 ms	352 KB	Output is correct
29	Correct	1 ms	340 KB	Output is correct
30	Correct	1 ms	340 KB	Output is correct
31	Correct	1 ms	344 KB	Output is correct
32	Correct	1 ms	340 KB	Output is correct
33	Correct	1 ms	212 KB	Output is correct
34	Correct	1 ms	340 KB	Output is correct
35	Correct	1 ms	340 KB	Output is correct
36	Correct	1 ms	324 KB	Output is correct
37	Correct	1 ms	328 KB	Output is correct

Subtask #3
50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	212 KB	Output is correct
2	Correct	1 ms	308 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	304 KB	Output is correct
5	Correct	1 ms	304 KB	Output is correct
6	Correct	1 ms	308 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	308 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	1 ms	328 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	2 ms	340 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	1 ms	320 KB	Output is correct
28	Correct	1 ms	352 KB	Output is correct
29	Correct	1 ms	340 KB	Output is correct
30	Correct	1 ms	340 KB	Output is correct
31	Correct	1 ms	344 KB	Output is correct
32	Correct	1 ms	340 KB	Output is correct
33	Correct	1 ms	212 KB	Output is correct
34	Correct	1 ms	340 KB	Output is correct
35	Correct	1 ms	340 KB	Output is correct
36	Correct	1 ms	324 KB	Output is correct
37	Correct	1 ms	328 KB	Output is correct
38	Correct	51 ms	5492 KB	Output is correct
39	Correct	47 ms	5408 KB	Output is correct
40	Correct	44 ms	5532 KB	Output is correct
41	Correct	51 ms	5424 KB	Output is correct
42	Correct	56 ms	5516 KB	Output is correct
43	Correct	54 ms	5416 KB	Output is correct
44	Correct	53 ms	5468 KB	Output is correct
45	Correct	50 ms	5444 KB	Output is correct
46	Correct	50 ms	5424 KB	Output is correct
47	Correct	46 ms	5060 KB	Output is correct
48	Correct	48 ms	5004 KB	Output is correct
49	Correct	47 ms	4600 KB	Output is correct
50	Correct	46 ms	4756 KB	Output is correct
51	Correct	55 ms	5432 KB	Output is correct
52	Correct	54 ms	5512 KB	Output is correct
53	Correct	54 ms	5444 KB	Output is correct
54	Correct	45 ms	5452 KB	Output is correct
55	Correct	54 ms	5444 KB	Output is correct
56	Correct	37 ms	4064 KB	Output is correct
57	Correct	19 ms	1604 KB	Output is correct
58	Correct	33 ms	4164 KB	Output is correct
59	Correct	33 ms	4164 KB	Output is correct
60	Correct	21 ms	1620 KB	Output is correct
61	Correct	34 ms	3124 KB	Output is correct
62	Correct	58 ms	5508 KB	Output is correct
63	Correct	56 ms	5428 KB	Output is correct
64	Correct	55 ms	5504 KB	Output is correct
65	Correct	57 ms	5424 KB	Output is correct
66	Correct	56 ms	5460 KB	Output is correct
67	Correct	61 ms	5580 KB	Output is correct
68	Correct	60 ms	5452 KB	Output is correct
69	Correct	77 ms	5412 KB	Output is correct
70	Correct	70 ms	5524 KB	Output is correct
71	Correct	55 ms	5444 KB	Output is correct
72	Correct	55 ms	5528 KB	Output is correct
73	Correct	57 ms	5504 KB	Output is correct

Submission #753423

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 40.0 / 40.0

Subtask #3 50.0 / 50.0

Subtask #1
10.0 / 10.0

Subtask #2
40.0 / 40.0

Subtask #3
50.0 / 50.0