답안 #116388

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
116388	2019-06-12T11:28:05 Z	송준혁(#2869, songc)	Exhibition (JOI19_ho_t2)	C++17	100 / 100	70 ms	4600 KB

joi2019_ho_t2

#include <bits/stdc++.h>
#define MOD 1000000007
using namespace std;
typedef long long LL;
typedef pair<int, int> pii;

int N, M, ans;
pii P[101010];
int A[101010];

bool chk(int k){
    k = M-k+1;
    for (int i=1; i<=N; i++) {
        if (P[i].second <= A[k]) k++;
    }
    return k > M;
}

int main(){
    scanf("%d %d", &N, &M);
    for (int i=1; i<=N; i++) scanf("%d %d", &P[i].second, &P[i].first);
    sort(P+1, P+N+1);
    for (int i=1; i<=M; i++) scanf("%d", &A[i]);
    sort(A+1, A+M+1);

    int L=1, H=M;
    while (L<=H){
        int mid = (L+H)/2;
        if (chk(mid)) ans = mid, L = mid+1;
        else H = mid-1;
    }
    printf("%d", ans);
    return 0;
}

Compilation message

joi2019_ho_t2.cpp: In function 'int main()':
joi2019_ho_t2.cpp:20:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &N, &M);
     ~~~~~^~~~~~~~~~~~~~~~~
joi2019_ho_t2.cpp:21:35: 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", &P[i].second, &P[i].first);
                              ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
joi2019_ho_t2.cpp:23:35: 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", &A[i]);
                              ~~~~~^~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	384 KB	Output is correct
2	Correct	2 ms	256 KB	Output is correct
3	Correct	2 ms	384 KB	Output is correct
4	Correct	2 ms	384 KB	Output is correct
5	Correct	2 ms	384 KB	Output is correct
6	Correct	2 ms	384 KB	Output is correct
7	Correct	2 ms	256 KB	Output is correct
8	Correct	2 ms	384 KB	Output is correct
9	Correct	2 ms	384 KB	Output is correct
10	Correct	2 ms	384 KB	Output is correct
11	Correct	2 ms	512 KB	Output is correct
12	Correct	2 ms	384 KB	Output is correct
13	Correct	2 ms	384 KB	Output is correct
14	Correct	2 ms	384 KB	Output is correct
15	Correct	2 ms	384 KB	Output is correct
16	Correct	2 ms	384 KB	Output is correct
17	Correct	2 ms	384 KB	Output is correct
18	Correct	2 ms	384 KB	Output is correct
19	Correct	2 ms	384 KB	Output is correct

Subtask #2
40.0 / 40.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	384 KB	Output is correct
2	Correct	2 ms	256 KB	Output is correct
3	Correct	2 ms	384 KB	Output is correct
4	Correct	2 ms	384 KB	Output is correct
5	Correct	2 ms	384 KB	Output is correct
6	Correct	2 ms	384 KB	Output is correct
7	Correct	2 ms	256 KB	Output is correct
8	Correct	2 ms	384 KB	Output is correct
9	Correct	2 ms	384 KB	Output is correct
10	Correct	2 ms	384 KB	Output is correct
11	Correct	2 ms	512 KB	Output is correct
12	Correct	2 ms	384 KB	Output is correct
13	Correct	2 ms	384 KB	Output is correct
14	Correct	2 ms	384 KB	Output is correct
15	Correct	2 ms	384 KB	Output is correct
16	Correct	2 ms	384 KB	Output is correct
17	Correct	2 ms	384 KB	Output is correct
18	Correct	2 ms	384 KB	Output is correct
19	Correct	2 ms	384 KB	Output is correct
20	Correct	3 ms	384 KB	Output is correct
21	Correct	3 ms	384 KB	Output is correct
22	Correct	3 ms	384 KB	Output is correct
23	Correct	3 ms	384 KB	Output is correct
24	Correct	2 ms	384 KB	Output is correct
25	Correct	3 ms	384 KB	Output is correct
26	Correct	3 ms	384 KB	Output is correct
27	Correct	2 ms	384 KB	Output is correct
28	Correct	3 ms	384 KB	Output is correct
29	Correct	3 ms	384 KB	Output is correct
30	Correct	3 ms	384 KB	Output is correct
31	Correct	3 ms	384 KB	Output is correct
32	Correct	3 ms	356 KB	Output is correct
33	Correct	2 ms	384 KB	Output is correct
34	Correct	2 ms	384 KB	Output is correct
35	Correct	2 ms	384 KB	Output is correct
36	Correct	2 ms	384 KB	Output is correct
37	Correct	2 ms	384 KB	Output is correct

Subtask #3
50.0 / 50.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	384 KB	Output is correct
2	Correct	2 ms	256 KB	Output is correct
3	Correct	2 ms	384 KB	Output is correct
4	Correct	2 ms	384 KB	Output is correct
5	Correct	2 ms	384 KB	Output is correct
6	Correct	2 ms	384 KB	Output is correct
7	Correct	2 ms	256 KB	Output is correct
8	Correct	2 ms	384 KB	Output is correct
9	Correct	2 ms	384 KB	Output is correct
10	Correct	2 ms	384 KB	Output is correct
11	Correct	2 ms	512 KB	Output is correct
12	Correct	2 ms	384 KB	Output is correct
13	Correct	2 ms	384 KB	Output is correct
14	Correct	2 ms	384 KB	Output is correct
15	Correct	2 ms	384 KB	Output is correct
16	Correct	2 ms	384 KB	Output is correct
17	Correct	2 ms	384 KB	Output is correct
18	Correct	2 ms	384 KB	Output is correct
19	Correct	2 ms	384 KB	Output is correct
20	Correct	3 ms	384 KB	Output is correct
21	Correct	3 ms	384 KB	Output is correct
22	Correct	3 ms	384 KB	Output is correct
23	Correct	3 ms	384 KB	Output is correct
24	Correct	2 ms	384 KB	Output is correct
25	Correct	3 ms	384 KB	Output is correct
26	Correct	3 ms	384 KB	Output is correct
27	Correct	2 ms	384 KB	Output is correct
28	Correct	3 ms	384 KB	Output is correct
29	Correct	3 ms	384 KB	Output is correct
30	Correct	3 ms	384 KB	Output is correct
31	Correct	3 ms	384 KB	Output is correct
32	Correct	3 ms	356 KB	Output is correct
33	Correct	2 ms	384 KB	Output is correct
34	Correct	2 ms	384 KB	Output is correct
35	Correct	2 ms	384 KB	Output is correct
36	Correct	2 ms	384 KB	Output is correct
37	Correct	2 ms	384 KB	Output is correct
38	Correct	63 ms	4472 KB	Output is correct
39	Correct	62 ms	4476 KB	Output is correct
40	Correct	56 ms	4476 KB	Output is correct
41	Correct	63 ms	4344 KB	Output is correct
42	Correct	63 ms	4344 KB	Output is correct
43	Correct	66 ms	4568 KB	Output is correct
44	Correct	63 ms	4472 KB	Output is correct
45	Correct	62 ms	4424 KB	Output is correct
46	Correct	60 ms	4344 KB	Output is correct
47	Correct	58 ms	3960 KB	Output is correct
48	Correct	56 ms	3960 KB	Output is correct
49	Correct	51 ms	3576 KB	Output is correct
50	Correct	50 ms	3704 KB	Output is correct
51	Correct	62 ms	4472 KB	Output is correct
52	Correct	63 ms	4380 KB	Output is correct
53	Correct	62 ms	4344 KB	Output is correct
54	Correct	50 ms	4476 KB	Output is correct
55	Correct	61 ms	4472 KB	Output is correct
56	Correct	40 ms	3064 KB	Output is correct
57	Correct	25 ms	1700 KB	Output is correct
58	Correct	39 ms	3036 KB	Output is correct
59	Correct	41 ms	3068 KB	Output is correct
60	Correct	25 ms	1764 KB	Output is correct
61	Correct	40 ms	2600 KB	Output is correct
62	Correct	68 ms	4344 KB	Output is correct
63	Correct	68 ms	4476 KB	Output is correct
64	Correct	68 ms	4472 KB	Output is correct
65	Correct	69 ms	4456 KB	Output is correct
66	Correct	70 ms	4460 KB	Output is correct
67	Correct	69 ms	4472 KB	Output is correct
68	Correct	70 ms	4472 KB	Output is correct
69	Correct	70 ms	4496 KB	Output is correct
70	Correct	66 ms	4344 KB	Output is correct
71	Correct	67 ms	4472 KB	Output is correct
72	Correct	65 ms	4600 KB	Output is correct
73	Correct	64 ms	4344 KB	Output is correct

답안 #116388

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