#include<bits/stdc++.h>
using namespace std;
signed main()
{
ios_base::sync_with_stdio(false);
cin.tie(0);
int n, m;
cin >> n >> m;
vector<pair<int, int>> p(n);
vector<int> f(m);
for (int i = 0; i < n; i++)
cin >> p[i].second >> p[i].first;
for (int i = 0; i < m; i++)
cin >> f[i];
sort(p.begin(), p.end()), sort(f.begin(), f.end());
int fn = m - 1, ans = 0;
for (int i = n - 1; i >= 0; i--)
if (f[fn] >= p[i].second)
fn--, ans++;
cout << ans << '\n';
return 0;
}
// * * ***** * * * *
// * * * ** * * *
// ***** ***** * * * * *
// * * * * ** * *
// * * ***** * * ***
// ***** ***** * * * ***** * * ***** *****
// * * * * * * * ** * * * *
// * * * ***** * * * * * * *****
// * * * * * * * * ** * *
// **** ***** * ***** ***** * * * *
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
376 KB |
Output is correct |
2 |
Correct |
4 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
376 KB |
Output is correct |
4 |
Correct |
5 ms |
376 KB |
Output is correct |
5 |
Correct |
5 ms |
376 KB |
Output is correct |
6 |
Correct |
5 ms |
376 KB |
Output is correct |
7 |
Correct |
5 ms |
376 KB |
Output is correct |
8 |
Correct |
5 ms |
376 KB |
Output is correct |
9 |
Correct |
5 ms |
376 KB |
Output is correct |
10 |
Correct |
5 ms |
376 KB |
Output is correct |
11 |
Correct |
5 ms |
376 KB |
Output is correct |
12 |
Correct |
5 ms |
376 KB |
Output is correct |
13 |
Correct |
5 ms |
376 KB |
Output is correct |
14 |
Correct |
5 ms |
376 KB |
Output is correct |
15 |
Correct |
5 ms |
376 KB |
Output is correct |
16 |
Correct |
5 ms |
376 KB |
Output is correct |
17 |
Correct |
5 ms |
376 KB |
Output is correct |
18 |
Correct |
5 ms |
376 KB |
Output is correct |
19 |
Correct |
5 ms |
376 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
376 KB |
Output is correct |
2 |
Correct |
4 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
376 KB |
Output is correct |
4 |
Correct |
5 ms |
376 KB |
Output is correct |
5 |
Correct |
5 ms |
376 KB |
Output is correct |
6 |
Correct |
5 ms |
376 KB |
Output is correct |
7 |
Correct |
5 ms |
376 KB |
Output is correct |
8 |
Correct |
5 ms |
376 KB |
Output is correct |
9 |
Correct |
5 ms |
376 KB |
Output is correct |
10 |
Correct |
5 ms |
376 KB |
Output is correct |
11 |
Correct |
5 ms |
376 KB |
Output is correct |
12 |
Correct |
5 ms |
376 KB |
Output is correct |
13 |
Correct |
5 ms |
376 KB |
Output is correct |
14 |
Correct |
5 ms |
376 KB |
Output is correct |
15 |
Correct |
5 ms |
376 KB |
Output is correct |
16 |
Correct |
5 ms |
376 KB |
Output is correct |
17 |
Correct |
5 ms |
376 KB |
Output is correct |
18 |
Correct |
5 ms |
376 KB |
Output is correct |
19 |
Correct |
5 ms |
376 KB |
Output is correct |
20 |
Correct |
5 ms |
376 KB |
Output is correct |
21 |
Correct |
6 ms |
376 KB |
Output is correct |
22 |
Correct |
5 ms |
376 KB |
Output is correct |
23 |
Correct |
5 ms |
376 KB |
Output is correct |
24 |
Correct |
5 ms |
376 KB |
Output is correct |
25 |
Correct |
5 ms |
504 KB |
Output is correct |
26 |
Correct |
6 ms |
376 KB |
Output is correct |
27 |
Correct |
5 ms |
376 KB |
Output is correct |
28 |
Correct |
6 ms |
376 KB |
Output is correct |
29 |
Correct |
5 ms |
376 KB |
Output is correct |
30 |
Correct |
6 ms |
376 KB |
Output is correct |
31 |
Correct |
5 ms |
376 KB |
Output is correct |
32 |
Correct |
5 ms |
376 KB |
Output is correct |
33 |
Correct |
5 ms |
376 KB |
Output is correct |
34 |
Correct |
5 ms |
376 KB |
Output is correct |
35 |
Correct |
5 ms |
376 KB |
Output is correct |
36 |
Correct |
5 ms |
376 KB |
Output is correct |
37 |
Correct |
5 ms |
376 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
376 KB |
Output is correct |
2 |
Correct |
4 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
376 KB |
Output is correct |
4 |
Correct |
5 ms |
376 KB |
Output is correct |
5 |
Correct |
5 ms |
376 KB |
Output is correct |
6 |
Correct |
5 ms |
376 KB |
Output is correct |
7 |
Correct |
5 ms |
376 KB |
Output is correct |
8 |
Correct |
5 ms |
376 KB |
Output is correct |
9 |
Correct |
5 ms |
376 KB |
Output is correct |
10 |
Correct |
5 ms |
376 KB |
Output is correct |
11 |
Correct |
5 ms |
376 KB |
Output is correct |
12 |
Correct |
5 ms |
376 KB |
Output is correct |
13 |
Correct |
5 ms |
376 KB |
Output is correct |
14 |
Correct |
5 ms |
376 KB |
Output is correct |
15 |
Correct |
5 ms |
376 KB |
Output is correct |
16 |
Correct |
5 ms |
376 KB |
Output is correct |
17 |
Correct |
5 ms |
376 KB |
Output is correct |
18 |
Correct |
5 ms |
376 KB |
Output is correct |
19 |
Correct |
5 ms |
376 KB |
Output is correct |
20 |
Correct |
5 ms |
376 KB |
Output is correct |
21 |
Correct |
6 ms |
376 KB |
Output is correct |
22 |
Correct |
5 ms |
376 KB |
Output is correct |
23 |
Correct |
5 ms |
376 KB |
Output is correct |
24 |
Correct |
5 ms |
376 KB |
Output is correct |
25 |
Correct |
5 ms |
504 KB |
Output is correct |
26 |
Correct |
6 ms |
376 KB |
Output is correct |
27 |
Correct |
5 ms |
376 KB |
Output is correct |
28 |
Correct |
6 ms |
376 KB |
Output is correct |
29 |
Correct |
5 ms |
376 KB |
Output is correct |
30 |
Correct |
6 ms |
376 KB |
Output is correct |
31 |
Correct |
5 ms |
376 KB |
Output is correct |
32 |
Correct |
5 ms |
376 KB |
Output is correct |
33 |
Correct |
5 ms |
376 KB |
Output is correct |
34 |
Correct |
5 ms |
376 KB |
Output is correct |
35 |
Correct |
5 ms |
376 KB |
Output is correct |
36 |
Correct |
5 ms |
376 KB |
Output is correct |
37 |
Correct |
5 ms |
376 KB |
Output is correct |
38 |
Correct |
69 ms |
4472 KB |
Output is correct |
39 |
Correct |
66 ms |
4360 KB |
Output is correct |
40 |
Correct |
62 ms |
4472 KB |
Output is correct |
41 |
Correct |
67 ms |
4472 KB |
Output is correct |
42 |
Correct |
71 ms |
4600 KB |
Output is correct |
43 |
Correct |
69 ms |
4472 KB |
Output is correct |
44 |
Correct |
68 ms |
4472 KB |
Output is correct |
45 |
Correct |
68 ms |
4344 KB |
Output is correct |
46 |
Correct |
65 ms |
4472 KB |
Output is correct |
47 |
Correct |
61 ms |
4088 KB |
Output is correct |
48 |
Correct |
59 ms |
3960 KB |
Output is correct |
49 |
Correct |
58 ms |
3832 KB |
Output is correct |
50 |
Correct |
55 ms |
3576 KB |
Output is correct |
51 |
Correct |
69 ms |
4600 KB |
Output is correct |
52 |
Correct |
69 ms |
4392 KB |
Output is correct |
53 |
Correct |
66 ms |
4348 KB |
Output is correct |
54 |
Correct |
63 ms |
4600 KB |
Output is correct |
55 |
Correct |
69 ms |
4472 KB |
Output is correct |
56 |
Correct |
44 ms |
3064 KB |
Output is correct |
57 |
Correct |
53 ms |
1656 KB |
Output is correct |
58 |
Correct |
43 ms |
3064 KB |
Output is correct |
59 |
Correct |
44 ms |
3064 KB |
Output is correct |
60 |
Correct |
28 ms |
1656 KB |
Output is correct |
61 |
Correct |
44 ms |
2808 KB |
Output is correct |
62 |
Correct |
70 ms |
4484 KB |
Output is correct |
63 |
Correct |
69 ms |
4472 KB |
Output is correct |
64 |
Correct |
69 ms |
4472 KB |
Output is correct |
65 |
Correct |
69 ms |
4472 KB |
Output is correct |
66 |
Correct |
68 ms |
4472 KB |
Output is correct |
67 |
Correct |
69 ms |
4472 KB |
Output is correct |
68 |
Correct |
66 ms |
4472 KB |
Output is correct |
69 |
Correct |
69 ms |
4472 KB |
Output is correct |
70 |
Correct |
72 ms |
4600 KB |
Output is correct |
71 |
Correct |
71 ms |
4472 KB |
Output is correct |
72 |
Correct |
86 ms |
4472 KB |
Output is correct |
73 |
Correct |
66 ms |
4388 KB |
Output is correct |