#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
using namespace std;
template<class T>
using ordered_set = tree<T, null_type,less<T>, rb_tree_tag,tree_order_statistics_node_update>;
#define int long long
#define ft first
#define sc second
const int mod=1e9+7,INF=1e17,N=1e5;
main(){
ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
int n,m;
cin >> n >> m;
vector<pair<int,int>> v;
for(int i=0;i<n;i++){
int a,b;
cin >> a >> b;
v.push_back({b,a});
}
sort(v.begin(),v.end());
deque<int> s;
for(int i=0;i<m;i++){
int x;
cin >> x;
s.push_back(x);
}
int cnt=0;
for(int i=0;i<n;i++){
if(lower_bound(s.begin(),s.end(),v[i].sc)!=s.end()){
cnt++;
while(s.front()<v[i].sc){
s.pop_front();
}
s.pop_front();
}
}
cout << cnt;
}
Compilation message
joi2019_ho_t2.cpp:13:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
13 | main(){
| ^~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |