#include<bits/stdc++.h>
#pragma GCC optimize("Ofast")
//#pragma GCC target ("avx2")
//#pragma GCC optimization ("O3")
//#pragma GCC optimization ("unroll-loops")
#define INV_2 499122177
#define INF 1000000000
#define PI 3.14159265358979323846
#define eps 1e-9
#define MOD1 998244353
#define MOD2 1000000007
using namespace std;
int main()
{
ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
int n, m;
cin >> n >> m;
pair<int, int>a[n];
for(int i = 0; i < n; i++)
cin >> a[i].second >> a[i].first;
int b[m];
for(int i = 0; i < m; i++)
cin >> b[i];
sort(a, a+n);
sort(b, b+m);
int idx=m-1;
int ans=0;
for(int i = n-1; i >= 0; i--)
{
if(idx >= 0 && a[i].second <= b[idx])
{
idx--;
ans++;
}
}
cout << ans << '\n';
}
//07-02-46
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
232 KB |
Output is correct |
| 4 |
Correct |
0 ms |
212 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
0 ms |
320 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Correct |
0 ms |
212 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
212 KB |
Output is correct |
| 11 |
Correct |
0 ms |
212 KB |
Output is correct |
| 12 |
Correct |
1 ms |
212 KB |
Output is correct |
| 13 |
Correct |
0 ms |
212 KB |
Output is correct |
| 14 |
Correct |
0 ms |
212 KB |
Output is correct |
| 15 |
Correct |
0 ms |
212 KB |
Output is correct |
| 16 |
Correct |
0 ms |
212 KB |
Output is correct |
| 17 |
Correct |
1 ms |
212 KB |
Output is correct |
| 18 |
Correct |
1 ms |
212 KB |
Output is correct |
| 19 |
Correct |
1 ms |
212 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
232 KB |
Output is correct |
| 4 |
Correct |
0 ms |
212 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
0 ms |
320 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Correct |
0 ms |
212 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
212 KB |
Output is correct |
| 11 |
Correct |
0 ms |
212 KB |
Output is correct |
| 12 |
Correct |
1 ms |
212 KB |
Output is correct |
| 13 |
Correct |
0 ms |
212 KB |
Output is correct |
| 14 |
Correct |
0 ms |
212 KB |
Output is correct |
| 15 |
Correct |
0 ms |
212 KB |
Output is correct |
| 16 |
Correct |
0 ms |
212 KB |
Output is correct |
| 17 |
Correct |
1 ms |
212 KB |
Output is correct |
| 18 |
Correct |
1 ms |
212 KB |
Output is correct |
| 19 |
Correct |
1 ms |
212 KB |
Output is correct |
| 20 |
Correct |
1 ms |
328 KB |
Output is correct |
| 21 |
Correct |
1 ms |
340 KB |
Output is correct |
| 22 |
Correct |
1 ms |
340 KB |
Output is correct |
| 23 |
Correct |
1 ms |
332 KB |
Output is correct |
| 24 |
Correct |
1 ms |
340 KB |
Output is correct |
| 25 |
Correct |
1 ms |
340 KB |
Output is correct |
| 26 |
Correct |
1 ms |
340 KB |
Output is correct |
| 27 |
Correct |
1 ms |
340 KB |
Output is correct |
| 28 |
Correct |
1 ms |
340 KB |
Output is correct |
| 29 |
Correct |
1 ms |
332 KB |
Output is correct |
| 30 |
Correct |
1 ms |
340 KB |
Output is correct |
| 31 |
Correct |
1 ms |
352 KB |
Output is correct |
| 32 |
Correct |
1 ms |
340 KB |
Output is correct |
| 33 |
Correct |
0 ms |
212 KB |
Output is correct |
| 34 |
Correct |
1 ms |
340 KB |
Output is correct |
| 35 |
Correct |
0 ms |
212 KB |
Output is correct |
| 36 |
Correct |
1 ms |
340 KB |
Output is correct |
| 37 |
Correct |
1 ms |
352 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
232 KB |
Output is correct |
| 4 |
Correct |
0 ms |
212 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
0 ms |
320 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Correct |
0 ms |
212 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
212 KB |
Output is correct |
| 11 |
Correct |
0 ms |
212 KB |
Output is correct |
| 12 |
Correct |
1 ms |
212 KB |
Output is correct |
| 13 |
Correct |
0 ms |
212 KB |
Output is correct |
| 14 |
Correct |
0 ms |
212 KB |
Output is correct |
| 15 |
Correct |
0 ms |
212 KB |
Output is correct |
| 16 |
Correct |
0 ms |
212 KB |
Output is correct |
| 17 |
Correct |
1 ms |
212 KB |
Output is correct |
| 18 |
Correct |
1 ms |
212 KB |
Output is correct |
| 19 |
Correct |
1 ms |
212 KB |
Output is correct |
| 20 |
Correct |
1 ms |
328 KB |
Output is correct |
| 21 |
Correct |
1 ms |
340 KB |
Output is correct |
| 22 |
Correct |
1 ms |
340 KB |
Output is correct |
| 23 |
Correct |
1 ms |
332 KB |
Output is correct |
| 24 |
Correct |
1 ms |
340 KB |
Output is correct |
| 25 |
Correct |
1 ms |
340 KB |
Output is correct |
| 26 |
Correct |
1 ms |
340 KB |
Output is correct |
| 27 |
Correct |
1 ms |
340 KB |
Output is correct |
| 28 |
Correct |
1 ms |
340 KB |
Output is correct |
| 29 |
Correct |
1 ms |
332 KB |
Output is correct |
| 30 |
Correct |
1 ms |
340 KB |
Output is correct |
| 31 |
Correct |
1 ms |
352 KB |
Output is correct |
| 32 |
Correct |
1 ms |
340 KB |
Output is correct |
| 33 |
Correct |
0 ms |
212 KB |
Output is correct |
| 34 |
Correct |
1 ms |
340 KB |
Output is correct |
| 35 |
Correct |
0 ms |
212 KB |
Output is correct |
| 36 |
Correct |
1 ms |
340 KB |
Output is correct |
| 37 |
Correct |
1 ms |
352 KB |
Output is correct |
| 38 |
Correct |
36 ms |
4268 KB |
Output is correct |
| 39 |
Correct |
39 ms |
4272 KB |
Output is correct |
| 40 |
Correct |
32 ms |
4408 KB |
Output is correct |
| 41 |
Correct |
36 ms |
4300 KB |
Output is correct |
| 42 |
Correct |
37 ms |
4272 KB |
Output is correct |
| 43 |
Correct |
43 ms |
4276 KB |
Output is correct |
| 44 |
Correct |
41 ms |
4256 KB |
Output is correct |
| 45 |
Correct |
37 ms |
4296 KB |
Output is correct |
| 46 |
Correct |
35 ms |
4276 KB |
Output is correct |
| 47 |
Correct |
35 ms |
3880 KB |
Output is correct |
| 48 |
Correct |
32 ms |
3924 KB |
Output is correct |
| 49 |
Correct |
30 ms |
3520 KB |
Output is correct |
| 50 |
Correct |
29 ms |
3532 KB |
Output is correct |
| 51 |
Correct |
36 ms |
4380 KB |
Output is correct |
| 52 |
Correct |
37 ms |
4308 KB |
Output is correct |
| 53 |
Correct |
36 ms |
4276 KB |
Output is correct |
| 54 |
Correct |
30 ms |
4272 KB |
Output is correct |
| 55 |
Correct |
36 ms |
4280 KB |
Output is correct |
| 56 |
Correct |
29 ms |
3000 KB |
Output is correct |
| 57 |
Correct |
14 ms |
1620 KB |
Output is correct |
| 58 |
Correct |
25 ms |
3000 KB |
Output is correct |
| 59 |
Correct |
23 ms |
3048 KB |
Output is correct |
| 60 |
Correct |
14 ms |
1592 KB |
Output is correct |
| 61 |
Correct |
22 ms |
2512 KB |
Output is correct |
| 62 |
Correct |
38 ms |
4396 KB |
Output is correct |
| 63 |
Correct |
38 ms |
4276 KB |
Output is correct |
| 64 |
Correct |
36 ms |
4344 KB |
Output is correct |
| 65 |
Correct |
36 ms |
4368 KB |
Output is correct |
| 66 |
Correct |
38 ms |
4276 KB |
Output is correct |
| 67 |
Correct |
37 ms |
4280 KB |
Output is correct |
| 68 |
Correct |
37 ms |
4308 KB |
Output is correct |
| 69 |
Correct |
39 ms |
4260 KB |
Output is correct |
| 70 |
Correct |
38 ms |
4304 KB |
Output is correct |
| 71 |
Correct |
46 ms |
4272 KB |
Output is correct |
| 72 |
Correct |
38 ms |
4300 KB |
Output is correct |
| 73 |
Correct |
35 ms |
4412 KB |
Output is correct |
