#include <bits/stdc++.h>
#define fast cin.tie(0)->sync_with_stdio(0);
#define int long long
#define inf ((int)1e18)
using namespace std;
int32_t main(){
fast
int n, m;
cin >> n >> m;
vector <pair<int,int> > arr(n);
for(int i = 0; i < n; i++) {
cin >> arr[i].first >> arr[i].second;
}
vector <int> frames(m);
for(int i = 0; i < m; i++) {
cin >> frames[i];
}
sort(arr.begin(), arr.end(), [&](pair<int,int>&a, pair<int,int>&b) {
if(a.second == b.second) return a.first < b.first;
return a.second < b.second;
});
int ans = 0;
sort(frames.begin(), frames.end());
for(int i = n-1; i >= 0; i--) {
if(frames.size() == 0) break;
int frame = frames.back();
if(frame >= arr[i].first) {
ans++;
frames.pop_back();
}
}
cout << ans << "\n";
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
344 KB |
Output is correct |
8 |
Correct |
0 ms |
344 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
456 KB |
Output is correct |
11 |
Correct |
0 ms |
344 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
344 KB |
Output is correct |
8 |
Correct |
0 ms |
344 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
456 KB |
Output is correct |
11 |
Correct |
0 ms |
344 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
1 ms |
344 KB |
Output is correct |
21 |
Correct |
1 ms |
512 KB |
Output is correct |
22 |
Correct |
1 ms |
344 KB |
Output is correct |
23 |
Correct |
1 ms |
348 KB |
Output is correct |
24 |
Correct |
1 ms |
348 KB |
Output is correct |
25 |
Correct |
1 ms |
348 KB |
Output is correct |
26 |
Correct |
1 ms |
348 KB |
Output is correct |
27 |
Correct |
1 ms |
344 KB |
Output is correct |
28 |
Correct |
1 ms |
348 KB |
Output is correct |
29 |
Correct |
1 ms |
348 KB |
Output is correct |
30 |
Correct |
1 ms |
348 KB |
Output is correct |
31 |
Correct |
1 ms |
464 KB |
Output is correct |
32 |
Correct |
1 ms |
348 KB |
Output is correct |
33 |
Correct |
0 ms |
464 KB |
Output is correct |
34 |
Correct |
1 ms |
344 KB |
Output is correct |
35 |
Correct |
0 ms |
348 KB |
Output is correct |
36 |
Correct |
1 ms |
348 KB |
Output is correct |
37 |
Correct |
1 ms |
472 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
344 KB |
Output is correct |
8 |
Correct |
0 ms |
344 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
456 KB |
Output is correct |
11 |
Correct |
0 ms |
344 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
1 ms |
344 KB |
Output is correct |
21 |
Correct |
1 ms |
512 KB |
Output is correct |
22 |
Correct |
1 ms |
344 KB |
Output is correct |
23 |
Correct |
1 ms |
348 KB |
Output is correct |
24 |
Correct |
1 ms |
348 KB |
Output is correct |
25 |
Correct |
1 ms |
348 KB |
Output is correct |
26 |
Correct |
1 ms |
348 KB |
Output is correct |
27 |
Correct |
1 ms |
344 KB |
Output is correct |
28 |
Correct |
1 ms |
348 KB |
Output is correct |
29 |
Correct |
1 ms |
348 KB |
Output is correct |
30 |
Correct |
1 ms |
348 KB |
Output is correct |
31 |
Correct |
1 ms |
464 KB |
Output is correct |
32 |
Correct |
1 ms |
348 KB |
Output is correct |
33 |
Correct |
0 ms |
464 KB |
Output is correct |
34 |
Correct |
1 ms |
344 KB |
Output is correct |
35 |
Correct |
0 ms |
348 KB |
Output is correct |
36 |
Correct |
1 ms |
348 KB |
Output is correct |
37 |
Correct |
1 ms |
472 KB |
Output is correct |
38 |
Correct |
38 ms |
5464 KB |
Output is correct |
39 |
Correct |
35 ms |
5468 KB |
Output is correct |
40 |
Correct |
31 ms |
5460 KB |
Output is correct |
41 |
Correct |
40 ms |
5592 KB |
Output is correct |
42 |
Correct |
39 ms |
5460 KB |
Output is correct |
43 |
Correct |
36 ms |
5696 KB |
Output is correct |
44 |
Correct |
36 ms |
5460 KB |
Output is correct |
45 |
Correct |
36 ms |
5592 KB |
Output is correct |
46 |
Correct |
36 ms |
5456 KB |
Output is correct |
47 |
Correct |
33 ms |
4952 KB |
Output is correct |
48 |
Correct |
32 ms |
4952 KB |
Output is correct |
49 |
Correct |
30 ms |
4444 KB |
Output is correct |
50 |
Correct |
29 ms |
4432 KB |
Output is correct |
51 |
Correct |
43 ms |
5464 KB |
Output is correct |
52 |
Correct |
36 ms |
5708 KB |
Output is correct |
53 |
Correct |
38 ms |
5460 KB |
Output is correct |
54 |
Correct |
31 ms |
5460 KB |
Output is correct |
55 |
Correct |
37 ms |
5616 KB |
Output is correct |
56 |
Correct |
22 ms |
3928 KB |
Output is correct |
57 |
Correct |
14 ms |
2136 KB |
Output is correct |
58 |
Correct |
22 ms |
3792 KB |
Output is correct |
59 |
Correct |
23 ms |
3932 KB |
Output is correct |
60 |
Correct |
14 ms |
2012 KB |
Output is correct |
61 |
Correct |
22 ms |
3192 KB |
Output is correct |
62 |
Correct |
37 ms |
5612 KB |
Output is correct |
63 |
Correct |
40 ms |
5720 KB |
Output is correct |
64 |
Correct |
37 ms |
5468 KB |
Output is correct |
65 |
Correct |
40 ms |
5460 KB |
Output is correct |
66 |
Correct |
36 ms |
5484 KB |
Output is correct |
67 |
Correct |
37 ms |
5700 KB |
Output is correct |
68 |
Correct |
36 ms |
5456 KB |
Output is correct |
69 |
Correct |
37 ms |
5604 KB |
Output is correct |
70 |
Correct |
39 ms |
5468 KB |
Output is correct |
71 |
Correct |
38 ms |
5500 KB |
Output is correct |
72 |
Correct |
37 ms |
5456 KB |
Output is correct |
73 |
Correct |
37 ms |
5592 KB |
Output is correct |