#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";
}
| # |
Verdict |
Execution time |
Memory |
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 |
| # |
Verdict |
Execution time |
Memory |
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 |
| # |
Verdict |
Execution time |
Memory |
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 |
