#include <bits/stdc++.h>
using namespace std;
#define int long long
#define endl '\n'
#define sz(x) (int) (x).size()
signed main(){
ios_base::sync_with_stdio(false);
cin.tie(0);
int n, m; cin >> n >> m;
pair<int, int> p[100005];
for(int i=0; i<n; i++){
int a, b; cin >> a >> b;
p[i]= make_pair(b, a);
}
int f[100005];
for(int i=0; i<m; i++){cin >> f[i];}
sort(p, p+n); reverse(p, p+n);
sort(f, f+m); reverse(f, f+m);
int l= 0;
int ans= 0;
for(int i=0; i<m; i++){
//cout << "f[i] " << f[i] << endl;
while(p[l].second>f[i]){
//cout << l << " " << p[l].second << endl;
l++;
if(l==n){break;}
}
if(l==n){break;}
l++;
ans++;
if(l==n){break;}
}
cout << ans << endl;
}
/*
8 8
508917604 35617051 501958939 840246141 485338402 32896484 957730250 357542366 904165504 137209882 684085683 775621730 552953629 20004459 125090903 607302990 433255278
979756183
28423637
856448848
276518245
314201319
666094038
149542543
*/
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
2636 KB |
Output is correct |
2 |
Correct |
2 ms |
2660 KB |
Output is correct |
3 |
Correct |
2 ms |
2680 KB |
Output is correct |
4 |
Correct |
2 ms |
2636 KB |
Output is correct |
5 |
Correct |
1 ms |
2636 KB |
Output is correct |
6 |
Correct |
2 ms |
2636 KB |
Output is correct |
7 |
Correct |
2 ms |
2636 KB |
Output is correct |
8 |
Correct |
2 ms |
2636 KB |
Output is correct |
9 |
Correct |
2 ms |
2636 KB |
Output is correct |
10 |
Correct |
2 ms |
2636 KB |
Output is correct |
11 |
Correct |
2 ms |
2636 KB |
Output is correct |
12 |
Correct |
1 ms |
2636 KB |
Output is correct |
13 |
Correct |
1 ms |
2660 KB |
Output is correct |
14 |
Correct |
1 ms |
2652 KB |
Output is correct |
15 |
Correct |
2 ms |
2636 KB |
Output is correct |
16 |
Correct |
1 ms |
2652 KB |
Output is correct |
17 |
Correct |
1 ms |
2636 KB |
Output is correct |
18 |
Correct |
2 ms |
2648 KB |
Output is correct |
19 |
Correct |
2 ms |
2660 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
2636 KB |
Output is correct |
2 |
Correct |
2 ms |
2660 KB |
Output is correct |
3 |
Correct |
2 ms |
2680 KB |
Output is correct |
4 |
Correct |
2 ms |
2636 KB |
Output is correct |
5 |
Correct |
1 ms |
2636 KB |
Output is correct |
6 |
Correct |
2 ms |
2636 KB |
Output is correct |
7 |
Correct |
2 ms |
2636 KB |
Output is correct |
8 |
Correct |
2 ms |
2636 KB |
Output is correct |
9 |
Correct |
2 ms |
2636 KB |
Output is correct |
10 |
Correct |
2 ms |
2636 KB |
Output is correct |
11 |
Correct |
2 ms |
2636 KB |
Output is correct |
12 |
Correct |
1 ms |
2636 KB |
Output is correct |
13 |
Correct |
1 ms |
2660 KB |
Output is correct |
14 |
Correct |
1 ms |
2652 KB |
Output is correct |
15 |
Correct |
2 ms |
2636 KB |
Output is correct |
16 |
Correct |
1 ms |
2652 KB |
Output is correct |
17 |
Correct |
1 ms |
2636 KB |
Output is correct |
18 |
Correct |
2 ms |
2648 KB |
Output is correct |
19 |
Correct |
2 ms |
2660 KB |
Output is correct |
20 |
Correct |
2 ms |
2672 KB |
Output is correct |
21 |
Correct |
2 ms |
2684 KB |
Output is correct |
22 |
Correct |
2 ms |
2680 KB |
Output is correct |
23 |
Correct |
2 ms |
2648 KB |
Output is correct |
24 |
Correct |
2 ms |
2648 KB |
Output is correct |
25 |
Correct |
2 ms |
2680 KB |
Output is correct |
26 |
Correct |
2 ms |
2652 KB |
Output is correct |
27 |
Correct |
2 ms |
2648 KB |
Output is correct |
28 |
Correct |
2 ms |
2648 KB |
Output is correct |
29 |
Correct |
2 ms |
2684 KB |
Output is correct |
30 |
Correct |
2 ms |
2648 KB |
Output is correct |
31 |
Correct |
2 ms |
2684 KB |
Output is correct |
32 |
Correct |
2 ms |
2648 KB |
Output is correct |
33 |
Correct |
2 ms |
2648 KB |
Output is correct |
34 |
Correct |
2 ms |
2648 KB |
Output is correct |
35 |
Correct |
2 ms |
2652 KB |
Output is correct |
36 |
Correct |
2 ms |
2648 KB |
Output is correct |
37 |
Correct |
2 ms |
2684 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
2636 KB |
Output is correct |
2 |
Correct |
2 ms |
2660 KB |
Output is correct |
3 |
Correct |
2 ms |
2680 KB |
Output is correct |
4 |
Correct |
2 ms |
2636 KB |
Output is correct |
5 |
Correct |
1 ms |
2636 KB |
Output is correct |
6 |
Correct |
2 ms |
2636 KB |
Output is correct |
7 |
Correct |
2 ms |
2636 KB |
Output is correct |
8 |
Correct |
2 ms |
2636 KB |
Output is correct |
9 |
Correct |
2 ms |
2636 KB |
Output is correct |
10 |
Correct |
2 ms |
2636 KB |
Output is correct |
11 |
Correct |
2 ms |
2636 KB |
Output is correct |
12 |
Correct |
1 ms |
2636 KB |
Output is correct |
13 |
Correct |
1 ms |
2660 KB |
Output is correct |
14 |
Correct |
1 ms |
2652 KB |
Output is correct |
15 |
Correct |
2 ms |
2636 KB |
Output is correct |
16 |
Correct |
1 ms |
2652 KB |
Output is correct |
17 |
Correct |
1 ms |
2636 KB |
Output is correct |
18 |
Correct |
2 ms |
2648 KB |
Output is correct |
19 |
Correct |
2 ms |
2660 KB |
Output is correct |
20 |
Correct |
2 ms |
2672 KB |
Output is correct |
21 |
Correct |
2 ms |
2684 KB |
Output is correct |
22 |
Correct |
2 ms |
2680 KB |
Output is correct |
23 |
Correct |
2 ms |
2648 KB |
Output is correct |
24 |
Correct |
2 ms |
2648 KB |
Output is correct |
25 |
Correct |
2 ms |
2680 KB |
Output is correct |
26 |
Correct |
2 ms |
2652 KB |
Output is correct |
27 |
Correct |
2 ms |
2648 KB |
Output is correct |
28 |
Correct |
2 ms |
2648 KB |
Output is correct |
29 |
Correct |
2 ms |
2684 KB |
Output is correct |
30 |
Correct |
2 ms |
2648 KB |
Output is correct |
31 |
Correct |
2 ms |
2684 KB |
Output is correct |
32 |
Correct |
2 ms |
2648 KB |
Output is correct |
33 |
Correct |
2 ms |
2648 KB |
Output is correct |
34 |
Correct |
2 ms |
2648 KB |
Output is correct |
35 |
Correct |
2 ms |
2652 KB |
Output is correct |
36 |
Correct |
2 ms |
2648 KB |
Output is correct |
37 |
Correct |
2 ms |
2684 KB |
Output is correct |
38 |
Correct |
43 ms |
5452 KB |
Output is correct |
39 |
Correct |
41 ms |
5584 KB |
Output is correct |
40 |
Correct |
40 ms |
5444 KB |
Output is correct |
41 |
Correct |
45 ms |
5488 KB |
Output is correct |
42 |
Correct |
49 ms |
5452 KB |
Output is correct |
43 |
Correct |
43 ms |
5448 KB |
Output is correct |
44 |
Correct |
43 ms |
5440 KB |
Output is correct |
45 |
Correct |
43 ms |
5460 KB |
Output is correct |
46 |
Correct |
45 ms |
5456 KB |
Output is correct |
47 |
Correct |
39 ms |
5188 KB |
Output is correct |
48 |
Correct |
38 ms |
5184 KB |
Output is correct |
49 |
Correct |
35 ms |
4948 KB |
Output is correct |
50 |
Correct |
34 ms |
4848 KB |
Output is correct |
51 |
Correct |
57 ms |
5452 KB |
Output is correct |
52 |
Correct |
51 ms |
5556 KB |
Output is correct |
53 |
Correct |
44 ms |
5440 KB |
Output is correct |
54 |
Correct |
37 ms |
5572 KB |
Output is correct |
55 |
Correct |
47 ms |
5444 KB |
Output is correct |
56 |
Correct |
28 ms |
4564 KB |
Output is correct |
57 |
Correct |
17 ms |
3544 KB |
Output is correct |
58 |
Correct |
28 ms |
4548 KB |
Output is correct |
59 |
Correct |
27 ms |
4584 KB |
Output is correct |
60 |
Correct |
17 ms |
3540 KB |
Output is correct |
61 |
Correct |
26 ms |
4176 KB |
Output is correct |
62 |
Correct |
44 ms |
5548 KB |
Output is correct |
63 |
Correct |
43 ms |
5452 KB |
Output is correct |
64 |
Correct |
43 ms |
5476 KB |
Output is correct |
65 |
Correct |
43 ms |
5476 KB |
Output is correct |
66 |
Correct |
43 ms |
5452 KB |
Output is correct |
67 |
Correct |
47 ms |
5548 KB |
Output is correct |
68 |
Correct |
43 ms |
5572 KB |
Output is correct |
69 |
Correct |
45 ms |
5444 KB |
Output is correct |
70 |
Correct |
47 ms |
5476 KB |
Output is correct |
71 |
Correct |
43 ms |
5440 KB |
Output is correct |
72 |
Correct |
44 ms |
5444 KB |
Output is correct |
73 |
Correct |
41 ms |
5576 KB |
Output is correct |