Submission #121270

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
121270	2019-06-26T09:31:44 Z	onjo0127	Exhibition (JOI19_ho_t2)	C++11	100 / 100	342 ms	10328 KB

joi2019_ho_t2

#include <bits/stdc++.h>
using namespace std;

vector<int> T[100009];
int S[100009], V[100009], C[100009];

int main() {
	int N, M; scanf("%d%d",&N,&M);
	for(int i=1; i<=N; i++) scanf("%d%d",&S[i],&V[i]);
	for(int i=1; i<=M; i++) scanf("%d",&C[i]);
	sort(C+1, C+M+1);
	for(int i=1; i<=N; i++) {
		S[i] = lower_bound(C+1, C+M+1, S[i]) - C;
		if(S[i] <= M) T[S[i]].push_back(i);
	}
	int l = 0, r = M;
	while(l <= r) {
		bool f = 1;
		int m = l+r >> 1, p = -1e9;
		priority_queue<int> pq;
		for(int i=1; i<=M; i++) {
			for(auto &it: T[i]) pq.push(-V[it]);
			if(M-i+1 <= m) {
				while(pq.size() && p > -pq.top()) pq.pop();
				if(pq.size() == 0) {f = 0; break;}
				p = -pq.top();
				pq.pop();
			}
		}
		if(f) l = m+1;
		else r = m-1;
	}
	printf("%d", l-1);
	return 0;
}

Compilation message

joi2019_ho_t2.cpp: In function 'int main()':
joi2019_ho_t2.cpp:19:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   int m = l+r >> 1, p = -1e9;
           ~^~
joi2019_ho_t2.cpp:8:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  int N, M; scanf("%d%d",&N,&M);
            ~~~~~^~~~~~~~~~~~~~
joi2019_ho_t2.cpp:9:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i=1; i<=N; i++) scanf("%d%d",&S[i],&V[i]);
                          ~~~~~^~~~~~~~~~~~~~~~~~~~
joi2019_ho_t2.cpp:10:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i=1; i<=M; i++) scanf("%d",&C[i]);
                          ~~~~~^~~~~~~~~~~~

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	2688 KB	Output is correct
2	Correct	4 ms	2688 KB	Output is correct
3	Correct	4 ms	2688 KB	Output is correct
4	Correct	3 ms	2688 KB	Output is correct
5	Correct	4 ms	2688 KB	Output is correct
6	Correct	4 ms	2688 KB	Output is correct
7	Correct	4 ms	2688 KB	Output is correct
8	Correct	3 ms	2688 KB	Output is correct
9	Correct	4 ms	2688 KB	Output is correct
10	Correct	4 ms	2688 KB	Output is correct
11	Correct	4 ms	2816 KB	Output is correct
12	Correct	4 ms	2688 KB	Output is correct
13	Correct	7 ms	2688 KB	Output is correct
14	Correct	4 ms	2688 KB	Output is correct
15	Correct	4 ms	2688 KB	Output is correct
16	Correct	5 ms	2688 KB	Output is correct
17	Correct	4 ms	2688 KB	Output is correct
18	Correct	4 ms	2688 KB	Output is correct
19	Correct	4 ms	2688 KB	Output is correct

Subtask #2
40.0 / 40.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	2688 KB	Output is correct
2	Correct	4 ms	2688 KB	Output is correct
3	Correct	4 ms	2688 KB	Output is correct
4	Correct	3 ms	2688 KB	Output is correct
5	Correct	4 ms	2688 KB	Output is correct
6	Correct	4 ms	2688 KB	Output is correct
7	Correct	4 ms	2688 KB	Output is correct
8	Correct	3 ms	2688 KB	Output is correct
9	Correct	4 ms	2688 KB	Output is correct
10	Correct	4 ms	2688 KB	Output is correct
11	Correct	4 ms	2816 KB	Output is correct
12	Correct	4 ms	2688 KB	Output is correct
13	Correct	7 ms	2688 KB	Output is correct
14	Correct	4 ms	2688 KB	Output is correct
15	Correct	4 ms	2688 KB	Output is correct
16	Correct	5 ms	2688 KB	Output is correct
17	Correct	4 ms	2688 KB	Output is correct
18	Correct	4 ms	2688 KB	Output is correct
19	Correct	4 ms	2688 KB	Output is correct
20	Correct	4 ms	2688 KB	Output is correct
21	Correct	5 ms	2688 KB	Output is correct
22	Correct	4 ms	2688 KB	Output is correct
23	Correct	5 ms	2688 KB	Output is correct
24	Correct	5 ms	2744 KB	Output is correct
25	Correct	4 ms	2688 KB	Output is correct
26	Correct	5 ms	2688 KB	Output is correct
27	Correct	4 ms	2688 KB	Output is correct
28	Correct	4 ms	2688 KB	Output is correct
29	Correct	5 ms	2688 KB	Output is correct
30	Correct	5 ms	2688 KB	Output is correct
31	Correct	5 ms	2688 KB	Output is correct
32	Correct	4 ms	2688 KB	Output is correct
33	Correct	4 ms	2688 KB	Output is correct
34	Correct	4 ms	2688 KB	Output is correct
35	Correct	4 ms	2688 KB	Output is correct
36	Correct	5 ms	2688 KB	Output is correct
37	Correct	5 ms	2688 KB	Output is correct

Subtask #3
50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	2688 KB	Output is correct
2	Correct	4 ms	2688 KB	Output is correct
3	Correct	4 ms	2688 KB	Output is correct
4	Correct	3 ms	2688 KB	Output is correct
5	Correct	4 ms	2688 KB	Output is correct
6	Correct	4 ms	2688 KB	Output is correct
7	Correct	4 ms	2688 KB	Output is correct
8	Correct	3 ms	2688 KB	Output is correct
9	Correct	4 ms	2688 KB	Output is correct
10	Correct	4 ms	2688 KB	Output is correct
11	Correct	4 ms	2816 KB	Output is correct
12	Correct	4 ms	2688 KB	Output is correct
13	Correct	7 ms	2688 KB	Output is correct
14	Correct	4 ms	2688 KB	Output is correct
15	Correct	4 ms	2688 KB	Output is correct
16	Correct	5 ms	2688 KB	Output is correct
17	Correct	4 ms	2688 KB	Output is correct
18	Correct	4 ms	2688 KB	Output is correct
19	Correct	4 ms	2688 KB	Output is correct
20	Correct	4 ms	2688 KB	Output is correct
21	Correct	5 ms	2688 KB	Output is correct
22	Correct	4 ms	2688 KB	Output is correct
23	Correct	5 ms	2688 KB	Output is correct
24	Correct	5 ms	2744 KB	Output is correct
25	Correct	4 ms	2688 KB	Output is correct
26	Correct	5 ms	2688 KB	Output is correct
27	Correct	4 ms	2688 KB	Output is correct
28	Correct	4 ms	2688 KB	Output is correct
29	Correct	5 ms	2688 KB	Output is correct
30	Correct	5 ms	2688 KB	Output is correct
31	Correct	5 ms	2688 KB	Output is correct
32	Correct	4 ms	2688 KB	Output is correct
33	Correct	4 ms	2688 KB	Output is correct
34	Correct	4 ms	2688 KB	Output is correct
35	Correct	4 ms	2688 KB	Output is correct
36	Correct	5 ms	2688 KB	Output is correct
37	Correct	5 ms	2688 KB	Output is correct
38	Correct	252 ms	10252 KB	Output is correct
39	Correct	131 ms	7800 KB	Output is correct
40	Correct	207 ms	7688 KB	Output is correct
41	Correct	196 ms	8580 KB	Output is correct
42	Correct	62 ms	6648 KB	Output is correct
43	Correct	61 ms	6728 KB	Output is correct
44	Correct	329 ms	10328 KB	Output is correct
45	Correct	311 ms	8696 KB	Output is correct
46	Correct	217 ms	7796 KB	Output is correct
47	Correct	288 ms	8180 KB	Output is correct
48	Correct	208 ms	7628 KB	Output is correct
49	Correct	264 ms	7516 KB	Output is correct
50	Correct	168 ms	6836 KB	Output is correct
51	Correct	61 ms	6776 KB	Output is correct
52	Correct	63 ms	6752 KB	Output is correct
53	Correct	62 ms	6648 KB	Output is correct
54	Correct	250 ms	8080 KB	Output is correct
55	Correct	133 ms	8696 KB	Output is correct
56	Correct	36 ms	5932 KB	Output is correct
57	Correct	30 ms	3960 KB	Output is correct
58	Correct	49 ms	6864 KB	Output is correct
59	Correct	68 ms	6908 KB	Output is correct
60	Correct	31 ms	3968 KB	Output is correct
61	Correct	125 ms	5936 KB	Output is correct
62	Correct	332 ms	8760 KB	Output is correct
63	Correct	322 ms	8752 KB	Output is correct
64	Correct	342 ms	8800 KB	Output is correct
65	Correct	318 ms	8760 KB	Output is correct
66	Correct	325 ms	8876 KB	Output is correct
67	Correct	323 ms	8764 KB	Output is correct
68	Correct	324 ms	8840 KB	Output is correct
69	Correct	317 ms	8568 KB	Output is correct
70	Correct	313 ms	8764 KB	Output is correct
71	Correct	261 ms	7996 KB	Output is correct
72	Correct	276 ms	8332 KB	Output is correct
73	Correct	245 ms	7708 KB	Output is correct

Submission #121270

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