#include <bits/stdc++.h>
using namespace std;
const int N=1e5+5;
typedef struct { int A; int B; } Res;
bool cmp (Res a,Res b) {
if (a.B<b.B) return 1;
if (a.B>b.B) return 0;
return a.A<b.A;
}
int n,m,ANS,x[N];
Res a[N];
main () {
ios::sync_with_stdio(false);
cin>>n>>m;
for (int i=1; i<=n; i++)
cin>>a[i].A>>a[i].B;
sort(a+1,a+n+1,cmp);
for (int i=1; i<=m; i++)
cin>>x[i];
sort(x+1,x+m+1);
int j=n;
for (int i=m; i>=1; i--) {
while (j>0 && a[j].A>x[i]) j--;
if (j>0 && a[j].A<=x[i]) ANS++,j--;
}
cout<<ANS<<endl;
}
Compilation message
joi2019_ho_t2.cpp:13:7: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
main () {
^
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
380 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
380 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
380 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
380 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
20 |
Correct |
3 ms |
376 KB |
Output is correct |
21 |
Correct |
3 ms |
376 KB |
Output is correct |
22 |
Correct |
3 ms |
376 KB |
Output is correct |
23 |
Correct |
3 ms |
424 KB |
Output is correct |
24 |
Correct |
3 ms |
376 KB |
Output is correct |
25 |
Correct |
3 ms |
376 KB |
Output is correct |
26 |
Correct |
3 ms |
376 KB |
Output is correct |
27 |
Correct |
3 ms |
376 KB |
Output is correct |
28 |
Correct |
3 ms |
376 KB |
Output is correct |
29 |
Correct |
3 ms |
376 KB |
Output is correct |
30 |
Correct |
3 ms |
376 KB |
Output is correct |
31 |
Correct |
3 ms |
376 KB |
Output is correct |
32 |
Correct |
3 ms |
376 KB |
Output is correct |
33 |
Correct |
3 ms |
504 KB |
Output is correct |
34 |
Correct |
3 ms |
376 KB |
Output is correct |
35 |
Correct |
3 ms |
352 KB |
Output is correct |
36 |
Correct |
3 ms |
376 KB |
Output is correct |
37 |
Correct |
3 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
380 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
380 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
20 |
Correct |
3 ms |
376 KB |
Output is correct |
21 |
Correct |
3 ms |
376 KB |
Output is correct |
22 |
Correct |
3 ms |
376 KB |
Output is correct |
23 |
Correct |
3 ms |
424 KB |
Output is correct |
24 |
Correct |
3 ms |
376 KB |
Output is correct |
25 |
Correct |
3 ms |
376 KB |
Output is correct |
26 |
Correct |
3 ms |
376 KB |
Output is correct |
27 |
Correct |
3 ms |
376 KB |
Output is correct |
28 |
Correct |
3 ms |
376 KB |
Output is correct |
29 |
Correct |
3 ms |
376 KB |
Output is correct |
30 |
Correct |
3 ms |
376 KB |
Output is correct |
31 |
Correct |
3 ms |
376 KB |
Output is correct |
32 |
Correct |
3 ms |
376 KB |
Output is correct |
33 |
Correct |
3 ms |
504 KB |
Output is correct |
34 |
Correct |
3 ms |
376 KB |
Output is correct |
35 |
Correct |
3 ms |
352 KB |
Output is correct |
36 |
Correct |
3 ms |
376 KB |
Output is correct |
37 |
Correct |
3 ms |
376 KB |
Output is correct |
38 |
Correct |
73 ms |
4376 KB |
Output is correct |
39 |
Correct |
66 ms |
4548 KB |
Output is correct |
40 |
Correct |
65 ms |
4416 KB |
Output is correct |
41 |
Correct |
73 ms |
4472 KB |
Output is correct |
42 |
Correct |
72 ms |
4472 KB |
Output is correct |
43 |
Correct |
73 ms |
4472 KB |
Output is correct |
44 |
Correct |
72 ms |
4472 KB |
Output is correct |
45 |
Correct |
82 ms |
4344 KB |
Output is correct |
46 |
Correct |
68 ms |
4344 KB |
Output is correct |
47 |
Correct |
66 ms |
3960 KB |
Output is correct |
48 |
Correct |
62 ms |
3960 KB |
Output is correct |
49 |
Correct |
67 ms |
3548 KB |
Output is correct |
50 |
Correct |
55 ms |
3576 KB |
Output is correct |
51 |
Correct |
72 ms |
4472 KB |
Output is correct |
52 |
Correct |
72 ms |
4444 KB |
Output is correct |
53 |
Correct |
72 ms |
4392 KB |
Output is correct |
54 |
Correct |
65 ms |
4472 KB |
Output is correct |
55 |
Correct |
67 ms |
4472 KB |
Output is correct |
56 |
Correct |
52 ms |
3136 KB |
Output is correct |
57 |
Correct |
25 ms |
1740 KB |
Output is correct |
58 |
Correct |
44 ms |
3064 KB |
Output is correct |
59 |
Correct |
49 ms |
3064 KB |
Output is correct |
60 |
Correct |
26 ms |
1784 KB |
Output is correct |
61 |
Correct |
41 ms |
2680 KB |
Output is correct |
62 |
Correct |
76 ms |
4352 KB |
Output is correct |
63 |
Correct |
72 ms |
4472 KB |
Output is correct |
64 |
Correct |
73 ms |
4368 KB |
Output is correct |
65 |
Correct |
73 ms |
4344 KB |
Output is correct |
66 |
Correct |
71 ms |
4472 KB |
Output is correct |
67 |
Correct |
73 ms |
4412 KB |
Output is correct |
68 |
Correct |
73 ms |
4472 KB |
Output is correct |
69 |
Correct |
73 ms |
4388 KB |
Output is correct |
70 |
Correct |
76 ms |
4336 KB |
Output is correct |
71 |
Correct |
71 ms |
4472 KB |
Output is correct |
72 |
Correct |
69 ms |
4472 KB |
Output is correct |
73 |
Correct |
69 ms |
4472 KB |
Output is correct |