#include <bits/stdc++.h>
#define int long long
#define ff first
#define ss second
#define pb push_back
#define all(x) x.begin(),x.end()
using namespace std;
const int N=1e3+5;
int dp[N][N],prm[N][N];
signed main(){
int n,m;
cin>>n>>m;
vector <pair <int,int> > v(n);
vector <int> c(m);
for(int i=0;i<n;i++){
cin>>v[i].ff>>v[i].ss;
swap(v[i].ff,v[i].ss);
}
for(int i=0;i<m;i++){
cin>>c[i];
}
sort(all(v));
sort(all(c));
for(int i=0;i<n;i++){
for(int j=0;j<m;j++){
if(v[i].ss<=c[j])dp[i][j]=1;
if(i-1>=0 && j-1>=0)dp[i][j]+=dp[i-1][j-1];
if(j-1>=0)prm[i][j]=max(dp[i][j],prm[i][j-1]);
else prm[i][j]=dp[i][j];
}
}
int res=0;
for(int i=0;i<m;i++){
res=max(res,dp[n-1][i]);
}
cout<<res<<"\n";
}
/*
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
*/
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2396 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
2492 KB |
Output is correct |
7 |
Incorrect |
1 ms |
2392 KB |
Output isn't correct |
8 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2396 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
2492 KB |
Output is correct |
7 |
Incorrect |
1 ms |
2392 KB |
Output isn't correct |
8 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2396 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
2492 KB |
Output is correct |
7 |
Incorrect |
1 ms |
2392 KB |
Output isn't correct |
8 |
Halted |
0 ms |
0 KB |
- |