//Dedicated to my love, ivaziva
#include <bits/stdc++.h>
using namespace std;
using pii = pair<int, int>;
using ll = int64_t;
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define dbg(x) cerr << #x << ": " << x << '\n';
int32_t main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
cout.tie(nullptr);
cerr.tie(nullptr);
int n, m;
cin >> n >> m;
vector<pii> a(n);
for (int i = 0; i < n; i++) {
cin >> a[i].first >> a[i].second;
swap(a[i].first, a[i].second);
}
sort(all(a));
vector<int> b(m);
for (int i = 0; i < m; i++) {
cin >> b[i];
}
sort(all(b));
int ans = 0, pt1 = n - 1, pt2 = m - 1;
// vector<pii> dp(n);
while (pt1 >= 0 && pt2 >= 0) {
if (b[pt2] >= a[pt1].second) {
pt2--;
ans++;
}
pt1--;
}
cout << ans << '\n';
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 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 |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
504 KB |
Output is correct |
| 9 |
Correct |
1 ms |
344 KB |
Output is correct |
| 10 |
Correct |
0 ms |
344 KB |
Output is correct |
| 11 |
Correct |
0 ms |
348 KB |
Output is correct |
| 12 |
Correct |
0 ms |
348 KB |
Output is correct |
| 13 |
Correct |
0 ms |
344 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 |
0 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 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 |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
504 KB |
Output is correct |
| 9 |
Correct |
1 ms |
344 KB |
Output is correct |
| 10 |
Correct |
0 ms |
344 KB |
Output is correct |
| 11 |
Correct |
0 ms |
348 KB |
Output is correct |
| 12 |
Correct |
0 ms |
348 KB |
Output is correct |
| 13 |
Correct |
0 ms |
344 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 |
348 KB |
Output is correct |
| 21 |
Correct |
0 ms |
348 KB |
Output is correct |
| 22 |
Correct |
1 ms |
348 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 |
348 KB |
Output is correct |
| 28 |
Correct |
1 ms |
344 KB |
Output is correct |
| 29 |
Correct |
0 ms |
348 KB |
Output is correct |
| 30 |
Correct |
1 ms |
348 KB |
Output is correct |
| 31 |
Correct |
1 ms |
348 KB |
Output is correct |
| 32 |
Correct |
1 ms |
348 KB |
Output is correct |
| 33 |
Correct |
0 ms |
360 KB |
Output is correct |
| 34 |
Correct |
1 ms |
344 KB |
Output is correct |
| 35 |
Correct |
0 ms |
348 KB |
Output is correct |
| 36 |
Correct |
0 ms |
348 KB |
Output is correct |
| 37 |
Correct |
1 ms |
500 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 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 |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
504 KB |
Output is correct |
| 9 |
Correct |
1 ms |
344 KB |
Output is correct |
| 10 |
Correct |
0 ms |
344 KB |
Output is correct |
| 11 |
Correct |
0 ms |
348 KB |
Output is correct |
| 12 |
Correct |
0 ms |
348 KB |
Output is correct |
| 13 |
Correct |
0 ms |
344 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 |
348 KB |
Output is correct |
| 21 |
Correct |
0 ms |
348 KB |
Output is correct |
| 22 |
Correct |
1 ms |
348 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 |
348 KB |
Output is correct |
| 28 |
Correct |
1 ms |
344 KB |
Output is correct |
| 29 |
Correct |
0 ms |
348 KB |
Output is correct |
| 30 |
Correct |
1 ms |
348 KB |
Output is correct |
| 31 |
Correct |
1 ms |
348 KB |
Output is correct |
| 32 |
Correct |
1 ms |
348 KB |
Output is correct |
| 33 |
Correct |
0 ms |
360 KB |
Output is correct |
| 34 |
Correct |
1 ms |
344 KB |
Output is correct |
| 35 |
Correct |
0 ms |
348 KB |
Output is correct |
| 36 |
Correct |
0 ms |
348 KB |
Output is correct |
| 37 |
Correct |
1 ms |
500 KB |
Output is correct |
| 38 |
Correct |
32 ms |
4440 KB |
Output is correct |
| 39 |
Correct |
30 ms |
4436 KB |
Output is correct |
| 40 |
Correct |
28 ms |
4432 KB |
Output is correct |
| 41 |
Correct |
34 ms |
4436 KB |
Output is correct |
| 42 |
Correct |
37 ms |
4304 KB |
Output is correct |
| 43 |
Correct |
35 ms |
4448 KB |
Output is correct |
| 44 |
Correct |
33 ms |
4296 KB |
Output is correct |
| 45 |
Correct |
32 ms |
4428 KB |
Output is correct |
| 46 |
Correct |
31 ms |
4432 KB |
Output is correct |
| 47 |
Correct |
29 ms |
3924 KB |
Output is correct |
| 48 |
Correct |
28 ms |
4052 KB |
Output is correct |
| 49 |
Correct |
27 ms |
3676 KB |
Output is correct |
| 50 |
Correct |
26 ms |
3676 KB |
Output is correct |
| 51 |
Correct |
32 ms |
4432 KB |
Output is correct |
| 52 |
Correct |
32 ms |
4444 KB |
Output is correct |
| 53 |
Correct |
35 ms |
4428 KB |
Output is correct |
| 54 |
Correct |
29 ms |
4428 KB |
Output is correct |
| 55 |
Correct |
33 ms |
4444 KB |
Output is correct |
| 56 |
Correct |
21 ms |
3160 KB |
Output is correct |
| 57 |
Correct |
12 ms |
1628 KB |
Output is correct |
| 58 |
Correct |
19 ms |
3160 KB |
Output is correct |
| 59 |
Correct |
20 ms |
3160 KB |
Output is correct |
| 60 |
Correct |
13 ms |
1628 KB |
Output is correct |
| 61 |
Correct |
20 ms |
2652 KB |
Output is correct |
| 62 |
Correct |
33 ms |
4428 KB |
Output is correct |
| 63 |
Correct |
33 ms |
4436 KB |
Output is correct |
| 64 |
Correct |
33 ms |
4444 KB |
Output is correct |
| 65 |
Correct |
32 ms |
4444 KB |
Output is correct |
| 66 |
Correct |
32 ms |
4300 KB |
Output is correct |
| 67 |
Correct |
33 ms |
4436 KB |
Output is correct |
| 68 |
Correct |
33 ms |
4436 KB |
Output is correct |
| 69 |
Correct |
34 ms |
4428 KB |
Output is correct |
| 70 |
Correct |
34 ms |
4308 KB |
Output is correct |
| 71 |
Correct |
32 ms |
4444 KB |
Output is correct |
| 72 |
Correct |
34 ms |
4300 KB |
Output is correct |
| 73 |
Correct |
31 ms |
4432 KB |
Output is correct |
