#include <bits/stdc++.h>
using namespace std;
#define int long long
#define endl '\n'
int n, m;
vector<int> vi;
vector<pair<int, int>> v;
signed main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
cin >> n >> m;
for (int i = 0; i < n; i++) {
int a, b; cin >> b >> a;
v.push_back({a, b});
}
for (int i = 0; i < m; i++) {
int x; cin >> x;
vi.push_back(x);
}
sort(v.begin(), v.end());
sort(vi.begin(), vi.end());
int i = n - 1, j = m - 1;
int ans = 0;
while (i >= 0 && j >= 0) {
while (i >= 0 && vi[j] < v[i].second) i--;
if (i < 0) break;
ans++;
j--;
i--;
}
cout << ans << '\n';
return 0;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Correct |
1 ms |
204 KB |
Output is correct |
| 3 |
Correct |
1 ms |
204 KB |
Output is correct |
| 4 |
Correct |
1 ms |
204 KB |
Output is correct |
| 5 |
Correct |
1 ms |
204 KB |
Output is correct |
| 6 |
Correct |
1 ms |
204 KB |
Output is correct |
| 7 |
Correct |
1 ms |
204 KB |
Output is correct |
| 8 |
Correct |
1 ms |
316 KB |
Output is correct |
| 9 |
Correct |
1 ms |
204 KB |
Output is correct |
| 10 |
Correct |
1 ms |
204 KB |
Output is correct |
| 11 |
Correct |
1 ms |
204 KB |
Output is correct |
| 12 |
Correct |
1 ms |
204 KB |
Output is correct |
| 13 |
Correct |
1 ms |
204 KB |
Output is correct |
| 14 |
Correct |
1 ms |
204 KB |
Output is correct |
| 15 |
Correct |
1 ms |
204 KB |
Output is correct |
| 16 |
Correct |
1 ms |
332 KB |
Output is correct |
| 17 |
Correct |
1 ms |
204 KB |
Output is correct |
| 18 |
Correct |
1 ms |
204 KB |
Output is correct |
| 19 |
Correct |
1 ms |
204 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Correct |
1 ms |
204 KB |
Output is correct |
| 3 |
Correct |
1 ms |
204 KB |
Output is correct |
| 4 |
Correct |
1 ms |
204 KB |
Output is correct |
| 5 |
Correct |
1 ms |
204 KB |
Output is correct |
| 6 |
Correct |
1 ms |
204 KB |
Output is correct |
| 7 |
Correct |
1 ms |
204 KB |
Output is correct |
| 8 |
Correct |
1 ms |
316 KB |
Output is correct |
| 9 |
Correct |
1 ms |
204 KB |
Output is correct |
| 10 |
Correct |
1 ms |
204 KB |
Output is correct |
| 11 |
Correct |
1 ms |
204 KB |
Output is correct |
| 12 |
Correct |
1 ms |
204 KB |
Output is correct |
| 13 |
Correct |
1 ms |
204 KB |
Output is correct |
| 14 |
Correct |
1 ms |
204 KB |
Output is correct |
| 15 |
Correct |
1 ms |
204 KB |
Output is correct |
| 16 |
Correct |
1 ms |
332 KB |
Output is correct |
| 17 |
Correct |
1 ms |
204 KB |
Output is correct |
| 18 |
Correct |
1 ms |
204 KB |
Output is correct |
| 19 |
Correct |
1 ms |
204 KB |
Output is correct |
| 20 |
Correct |
1 ms |
332 KB |
Output is correct |
| 21 |
Correct |
1 ms |
332 KB |
Output is correct |
| 22 |
Correct |
1 ms |
324 KB |
Output is correct |
| 23 |
Correct |
1 ms |
332 KB |
Output is correct |
| 24 |
Correct |
1 ms |
332 KB |
Output is correct |
| 25 |
Correct |
1 ms |
380 KB |
Output is correct |
| 26 |
Correct |
1 ms |
324 KB |
Output is correct |
| 27 |
Correct |
1 ms |
320 KB |
Output is correct |
| 28 |
Correct |
2 ms |
376 KB |
Output is correct |
| 29 |
Correct |
1 ms |
332 KB |
Output is correct |
| 30 |
Correct |
2 ms |
332 KB |
Output is correct |
| 31 |
Correct |
2 ms |
332 KB |
Output is correct |
| 32 |
Correct |
1 ms |
332 KB |
Output is correct |
| 33 |
Correct |
1 ms |
332 KB |
Output is correct |
| 34 |
Correct |
1 ms |
324 KB |
Output is correct |
| 35 |
Correct |
1 ms |
332 KB |
Output is correct |
| 36 |
Correct |
1 ms |
332 KB |
Output is correct |
| 37 |
Correct |
1 ms |
332 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Correct |
1 ms |
204 KB |
Output is correct |
| 3 |
Correct |
1 ms |
204 KB |
Output is correct |
| 4 |
Correct |
1 ms |
204 KB |
Output is correct |
| 5 |
Correct |
1 ms |
204 KB |
Output is correct |
| 6 |
Correct |
1 ms |
204 KB |
Output is correct |
| 7 |
Correct |
1 ms |
204 KB |
Output is correct |
| 8 |
Correct |
1 ms |
316 KB |
Output is correct |
| 9 |
Correct |
1 ms |
204 KB |
Output is correct |
| 10 |
Correct |
1 ms |
204 KB |
Output is correct |
| 11 |
Correct |
1 ms |
204 KB |
Output is correct |
| 12 |
Correct |
1 ms |
204 KB |
Output is correct |
| 13 |
Correct |
1 ms |
204 KB |
Output is correct |
| 14 |
Correct |
1 ms |
204 KB |
Output is correct |
| 15 |
Correct |
1 ms |
204 KB |
Output is correct |
| 16 |
Correct |
1 ms |
332 KB |
Output is correct |
| 17 |
Correct |
1 ms |
204 KB |
Output is correct |
| 18 |
Correct |
1 ms |
204 KB |
Output is correct |
| 19 |
Correct |
1 ms |
204 KB |
Output is correct |
| 20 |
Correct |
1 ms |
332 KB |
Output is correct |
| 21 |
Correct |
1 ms |
332 KB |
Output is correct |
| 22 |
Correct |
1 ms |
324 KB |
Output is correct |
| 23 |
Correct |
1 ms |
332 KB |
Output is correct |
| 24 |
Correct |
1 ms |
332 KB |
Output is correct |
| 25 |
Correct |
1 ms |
380 KB |
Output is correct |
| 26 |
Correct |
1 ms |
324 KB |
Output is correct |
| 27 |
Correct |
1 ms |
320 KB |
Output is correct |
| 28 |
Correct |
2 ms |
376 KB |
Output is correct |
| 29 |
Correct |
1 ms |
332 KB |
Output is correct |
| 30 |
Correct |
2 ms |
332 KB |
Output is correct |
| 31 |
Correct |
2 ms |
332 KB |
Output is correct |
| 32 |
Correct |
1 ms |
332 KB |
Output is correct |
| 33 |
Correct |
1 ms |
332 KB |
Output is correct |
| 34 |
Correct |
1 ms |
324 KB |
Output is correct |
| 35 |
Correct |
1 ms |
332 KB |
Output is correct |
| 36 |
Correct |
1 ms |
332 KB |
Output is correct |
| 37 |
Correct |
1 ms |
332 KB |
Output is correct |
| 38 |
Correct |
56 ms |
6528 KB |
Output is correct |
| 39 |
Correct |
53 ms |
6580 KB |
Output is correct |
| 40 |
Correct |
50 ms |
6584 KB |
Output is correct |
| 41 |
Correct |
59 ms |
6464 KB |
Output is correct |
| 42 |
Correct |
56 ms |
6528 KB |
Output is correct |
| 43 |
Correct |
58 ms |
6516 KB |
Output is correct |
| 44 |
Correct |
57 ms |
6560 KB |
Output is correct |
| 45 |
Correct |
56 ms |
6488 KB |
Output is correct |
| 46 |
Correct |
55 ms |
6536 KB |
Output is correct |
| 47 |
Correct |
52 ms |
5948 KB |
Output is correct |
| 48 |
Correct |
50 ms |
5944 KB |
Output is correct |
| 49 |
Correct |
48 ms |
5424 KB |
Output is correct |
| 50 |
Correct |
47 ms |
5496 KB |
Output is correct |
| 51 |
Correct |
57 ms |
6592 KB |
Output is correct |
| 52 |
Correct |
67 ms |
6604 KB |
Output is correct |
| 53 |
Correct |
60 ms |
6508 KB |
Output is correct |
| 54 |
Correct |
59 ms |
6584 KB |
Output is correct |
| 55 |
Correct |
56 ms |
6592 KB |
Output is correct |
| 56 |
Correct |
35 ms |
4044 KB |
Output is correct |
| 57 |
Correct |
22 ms |
2312 KB |
Output is correct |
| 58 |
Correct |
42 ms |
3940 KB |
Output is correct |
| 59 |
Correct |
36 ms |
3936 KB |
Output is correct |
| 60 |
Correct |
27 ms |
2364 KB |
Output is correct |
| 61 |
Correct |
36 ms |
3912 KB |
Output is correct |
| 62 |
Correct |
59 ms |
6568 KB |
Output is correct |
| 63 |
Correct |
59 ms |
6476 KB |
Output is correct |
| 64 |
Correct |
57 ms |
6516 KB |
Output is correct |
| 65 |
Correct |
58 ms |
6496 KB |
Output is correct |
| 66 |
Correct |
58 ms |
6500 KB |
Output is correct |
| 67 |
Correct |
57 ms |
6504 KB |
Output is correct |
| 68 |
Correct |
57 ms |
6472 KB |
Output is correct |
| 69 |
Correct |
58 ms |
6572 KB |
Output is correct |
| 70 |
Correct |
59 ms |
6508 KB |
Output is correct |
| 71 |
Correct |
56 ms |
6576 KB |
Output is correct |
| 72 |
Correct |
58 ms |
6700 KB |
Output is correct |
| 73 |
Correct |
55 ms |
6588 KB |
Output is correct |
