#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define int ll
#define pll pair<ll,ll>
#define fs first
#define sc second
const ll mxn = 1e5+10;
ll n,m;
pll arr[mxn];
ll brr[mxn];
bool f(ll k){
multiset<ll> st;
int p = 0;
int pre = 0;
for(int i = m-k;i<m;i++){
while(p<n&&arr[p].fs<=brr[i]){
st.insert(arr[p].sc);
p++;
}
auto it = st.lower_bound(pre);
if(it == st.end())return false;
pre = *it;
st.erase(st.find(*it));
}
return true;
}
main(){
ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
cin>>n>>m;
for(int i = 0;i<n;i++)cin>>arr[i].fs>>arr[i].sc;
for(int i = 0;i<m;i++)cin>>brr[i];
sort(arr,arr+n);
sort(brr,brr+m);
int l = 0,r = m;
while(l != r){
int mid = (l+r+1)>>1;
if(f(mid))l = mid;
else r = mid-1;
}
cout<<l;
}
Compilation message
joi2019_ho_t2.cpp:31:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
31 | main(){
| ^~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 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 |
212 KB |
Output is correct |
7 |
Correct |
0 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 |
0 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 |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
0 ms |
212 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
0 ms |
212 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 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 |
212 KB |
Output is correct |
7 |
Correct |
0 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 |
0 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 |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
0 ms |
212 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
0 ms |
212 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
2 ms |
340 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
2 ms |
340 KB |
Output is correct |
25 |
Correct |
2 ms |
340 KB |
Output is correct |
26 |
Correct |
2 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 |
2 ms |
340 KB |
Output is correct |
30 |
Correct |
2 ms |
340 KB |
Output is correct |
31 |
Correct |
2 ms |
340 KB |
Output is correct |
32 |
Correct |
1 ms |
340 KB |
Output is correct |
33 |
Correct |
1 ms |
340 KB |
Output is correct |
34 |
Correct |
1 ms |
340 KB |
Output is correct |
35 |
Correct |
1 ms |
340 KB |
Output is correct |
36 |
Correct |
2 ms |
340 KB |
Output is correct |
37 |
Correct |
2 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 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 |
212 KB |
Output is correct |
7 |
Correct |
0 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 |
0 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 |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
0 ms |
212 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
0 ms |
212 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
2 ms |
340 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
2 ms |
340 KB |
Output is correct |
25 |
Correct |
2 ms |
340 KB |
Output is correct |
26 |
Correct |
2 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 |
2 ms |
340 KB |
Output is correct |
30 |
Correct |
2 ms |
340 KB |
Output is correct |
31 |
Correct |
2 ms |
340 KB |
Output is correct |
32 |
Correct |
1 ms |
340 KB |
Output is correct |
33 |
Correct |
1 ms |
340 KB |
Output is correct |
34 |
Correct |
1 ms |
340 KB |
Output is correct |
35 |
Correct |
1 ms |
340 KB |
Output is correct |
36 |
Correct |
2 ms |
340 KB |
Output is correct |
37 |
Correct |
2 ms |
340 KB |
Output is correct |
38 |
Correct |
210 ms |
4944 KB |
Output is correct |
39 |
Correct |
257 ms |
7904 KB |
Output is correct |
40 |
Correct |
287 ms |
8396 KB |
Output is correct |
41 |
Correct |
240 ms |
7856 KB |
Output is correct |
42 |
Correct |
47 ms |
5548 KB |
Output is correct |
43 |
Correct |
43 ms |
5544 KB |
Output is correct |
44 |
Correct |
320 ms |
7900 KB |
Output is correct |
45 |
Correct |
508 ms |
9544 KB |
Output is correct |
46 |
Correct |
517 ms |
9484 KB |
Output is correct |
47 |
Correct |
594 ms |
8628 KB |
Output is correct |
48 |
Correct |
545 ms |
8604 KB |
Output is correct |
49 |
Correct |
336 ms |
7272 KB |
Output is correct |
50 |
Correct |
378 ms |
7256 KB |
Output is correct |
51 |
Correct |
45 ms |
5560 KB |
Output is correct |
52 |
Correct |
47 ms |
5456 KB |
Output is correct |
53 |
Correct |
47 ms |
5452 KB |
Output is correct |
54 |
Correct |
421 ms |
10248 KB |
Output is correct |
55 |
Correct |
263 ms |
8016 KB |
Output is correct |
56 |
Correct |
42 ms |
6176 KB |
Output is correct |
57 |
Correct |
17 ms |
2008 KB |
Output is correct |
58 |
Correct |
124 ms |
8396 KB |
Output is correct |
59 |
Correct |
442 ms |
8524 KB |
Output is correct |
60 |
Correct |
17 ms |
1996 KB |
Output is correct |
61 |
Correct |
161 ms |
4492 KB |
Output is correct |
62 |
Correct |
481 ms |
7904 KB |
Output is correct |
63 |
Correct |
470 ms |
7864 KB |
Output is correct |
64 |
Correct |
471 ms |
7968 KB |
Output is correct |
65 |
Correct |
491 ms |
7908 KB |
Output is correct |
66 |
Correct |
480 ms |
7912 KB |
Output is correct |
67 |
Correct |
518 ms |
7920 KB |
Output is correct |
68 |
Correct |
460 ms |
7900 KB |
Output is correct |
69 |
Correct |
489 ms |
7908 KB |
Output is correct |
70 |
Correct |
497 ms |
7920 KB |
Output is correct |
71 |
Correct |
461 ms |
7916 KB |
Output is correct |
72 |
Correct |
475 ms |
7908 KB |
Output is correct |
73 |
Correct |
392 ms |
8076 KB |
Output is correct |