#include <bits/stdc++.h>
using namespace std;
#define fast ios::sync_with_stdio(0);cin.tie(0)
typedef long long ll;
#define f first
#define s second
#define LOGN 21
const ll MOD = 1e9 + 7;
const ll MAXN = 2e5 + 100;
int n, m;
vector<pair<int,int>> v1;
vector<int> v2;
bool check(int x) {
vector<pair<int,int>> vv(v1.begin(), v1.end());
reverse(vv.begin(), vv.end());
vector<int> Q;
for (int i = m - x; i < m; i++)
Q.push_back(v2[i]);
for (auto u : Q) {
while (vv.size() && vv.back().f > u)
vv.pop_back();
if (vv.empty())
return false;
vv.pop_back();
}
return true;
}
int main() {
fast;
cin >> n >> m;
v1 = vector<pair<int,int>>(n);
v2 = vector<int>(m);
for (int i = 0; i < n; i++)
cin >> v1[i].f >> v1[i].s;
for (int i = 0; i < m; i++)
cin >> v2[i];
sort(v1.begin(), v1.end(), [&](pair<int,int> A, pair<int,int> B) {
return make_pair(A.s, A.f) < make_pair(B.s, B.f);
});
sort(v2.begin(), v2.end());
int L = 1, R = min(n, m);
int ans = 0;
while (R >= L) {
int mid = L + (R - L) / 2;
if (check(mid)) {
ans = mid;
L = mid + 1;
} else
R = mid - 1;
}
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 |
344 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
0 ms |
348 KB |
Output is correct |
| 10 |
Correct |
0 ms |
348 KB |
Output is correct |
| 11 |
Correct |
0 ms |
344 KB |
Output is correct |
| 12 |
Correct |
1 ms |
388 KB |
Output is correct |
| 13 |
Correct |
1 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 |
460 KB |
Output is correct |
| 17 |
Correct |
0 ms |
348 KB |
Output is correct |
| 18 |
Correct |
0 ms |
604 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 |
344 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
0 ms |
348 KB |
Output is correct |
| 10 |
Correct |
0 ms |
348 KB |
Output is correct |
| 11 |
Correct |
0 ms |
344 KB |
Output is correct |
| 12 |
Correct |
1 ms |
388 KB |
Output is correct |
| 13 |
Correct |
1 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 |
460 KB |
Output is correct |
| 17 |
Correct |
0 ms |
348 KB |
Output is correct |
| 18 |
Correct |
0 ms |
604 KB |
Output is correct |
| 19 |
Correct |
0 ms |
348 KB |
Output is correct |
| 20 |
Correct |
1 ms |
348 KB |
Output is correct |
| 21 |
Correct |
1 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 |
424 KB |
Output is correct |
| 25 |
Correct |
1 ms |
348 KB |
Output is correct |
| 26 |
Correct |
1 ms |
500 KB |
Output is correct |
| 27 |
Correct |
1 ms |
348 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 |
496 KB |
Output is correct |
| 32 |
Correct |
1 ms |
348 KB |
Output is correct |
| 33 |
Correct |
1 ms |
464 KB |
Output is correct |
| 34 |
Correct |
1 ms |
348 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 |
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 |
344 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
0 ms |
348 KB |
Output is correct |
| 10 |
Correct |
0 ms |
348 KB |
Output is correct |
| 11 |
Correct |
0 ms |
344 KB |
Output is correct |
| 12 |
Correct |
1 ms |
388 KB |
Output is correct |
| 13 |
Correct |
1 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 |
460 KB |
Output is correct |
| 17 |
Correct |
0 ms |
348 KB |
Output is correct |
| 18 |
Correct |
0 ms |
604 KB |
Output is correct |
| 19 |
Correct |
0 ms |
348 KB |
Output is correct |
| 20 |
Correct |
1 ms |
348 KB |
Output is correct |
| 21 |
Correct |
1 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 |
424 KB |
Output is correct |
| 25 |
Correct |
1 ms |
348 KB |
Output is correct |
| 26 |
Correct |
1 ms |
500 KB |
Output is correct |
| 27 |
Correct |
1 ms |
348 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 |
496 KB |
Output is correct |
| 32 |
Correct |
1 ms |
348 KB |
Output is correct |
| 33 |
Correct |
1 ms |
464 KB |
Output is correct |
| 34 |
Correct |
1 ms |
348 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 |
348 KB |
Output is correct |
| 38 |
Correct |
51 ms |
6216 KB |
Output is correct |
| 39 |
Correct |
47 ms |
6232 KB |
Output is correct |
| 40 |
Correct |
41 ms |
6268 KB |
Output is correct |
| 41 |
Correct |
47 ms |
6196 KB |
Output is correct |
| 42 |
Correct |
47 ms |
5588 KB |
Output is correct |
| 43 |
Correct |
41 ms |
5588 KB |
Output is correct |
| 44 |
Correct |
39 ms |
6032 KB |
Output is correct |
| 45 |
Correct |
49 ms |
6228 KB |
Output is correct |
| 46 |
Correct |
46 ms |
6176 KB |
Output is correct |
| 47 |
Correct |
53 ms |
5696 KB |
Output is correct |
| 48 |
Correct |
43 ms |
5712 KB |
Output is correct |
| 49 |
Correct |
52 ms |
5048 KB |
Output is correct |
| 50 |
Correct |
38 ms |
5020 KB |
Output is correct |
| 51 |
Correct |
40 ms |
5572 KB |
Output is correct |
| 52 |
Correct |
42 ms |
5552 KB |
Output is correct |
| 53 |
Correct |
40 ms |
5460 KB |
Output is correct |
| 54 |
Correct |
43 ms |
6468 KB |
Output is correct |
| 55 |
Correct |
48 ms |
6212 KB |
Output is correct |
| 56 |
Correct |
23 ms |
3932 KB |
Output is correct |
| 57 |
Correct |
14 ms |
1628 KB |
Output is correct |
| 58 |
Correct |
23 ms |
3920 KB |
Output is correct |
| 59 |
Correct |
28 ms |
3928 KB |
Output is correct |
| 60 |
Correct |
15 ms |
1628 KB |
Output is correct |
| 61 |
Correct |
25 ms |
3208 KB |
Output is correct |
| 62 |
Correct |
48 ms |
6068 KB |
Output is correct |
| 63 |
Correct |
46 ms |
6068 KB |
Output is correct |
| 64 |
Correct |
47 ms |
6072 KB |
Output is correct |
| 65 |
Correct |
46 ms |
6056 KB |
Output is correct |
| 66 |
Correct |
45 ms |
6068 KB |
Output is correct |
| 67 |
Correct |
50 ms |
6068 KB |
Output is correct |
| 68 |
Correct |
46 ms |
6076 KB |
Output is correct |
| 69 |
Correct |
46 ms |
6068 KB |
Output is correct |
| 70 |
Correct |
45 ms |
6036 KB |
Output is correct |
| 71 |
Correct |
44 ms |
6068 KB |
Output is correct |
| 72 |
Correct |
41 ms |
6068 KB |
Output is correct |
| 73 |
Correct |
43 ms |
6060 KB |
Output is correct |
