oj.uz

Submission #251854

# Submission time Handle Problem Language Result Execution time Memory
251854 2020-07-22T11:35:29 Z errorgorn Exhibition (JOI19_ho_t2) C++14
100 / 100
 97 ms 3948 KB 
//雪花飄飄北風嘯嘯
//天地一片蒼茫

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/rope>
using namespace std;
using namespace __gnu_pbds;
using namespace __gnu_cxx;
#define ll long long
#define ii pair<ll,ll>
#define iii pair<ii,ll>
#define fi first
#define se second
#define endl '\n'
#define debug(x) cout << #x << " is " << x << endl;

#define rep(x,start,end) for(auto x=(start)-((start)>(end));x!=(end)-((start)>(end));((start)<(end)?x++:x--))
#define all(x) (x).begin(),(x).end()
#define sz(x) (int)(x).size()

ll MAX(ll a){return a;}
ll MIN(ll a){return a;}
template<typename... Args>
ll MAX(ll a,Args... args){return max(a,MAX(args...));}
template<typename... Args>
ll MIN(ll a,Args... args){return min(a,MIN(args...));}

#define indexed_set tree<ll,null_type,less<ll>,rb_tree_tag,tree_order_statistics_node_update>

mt19937 rng(chrono::system_clock::now().time_since_epoch().count());

int n,m;
vector<ii> v;
vector<int> frame;

int main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	
	cin>>n>>m;
	
	int a,b;
	rep(x,0,n){
		cin>>a>>b;
		v.push_back(ii(a,b));
	}
	rep(x,0,m){
		cin>>a;
		frame.push_back(a);
	}
	
	sort(all(v),[](ii i,ii j){
		if (i.se!=j.se) return i.se<j.se;
		else return i.fi<j.fi;
	});
	sort(all(frame),[](int i,int j){
		return i>j;
	});
	
	int ans=0;
	
	for (auto &it:frame){
		while (!v.empty() && v.back().fi>it) v.pop_back();
		
		if (v.empty()) break;
		v.pop_back();
		ans++;
	}
	
	cout<<ans<<endl;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 0 ms 384 KB Output is correct
12 Correct 0 ms 384 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Correct 0 ms 384 KB Output is correct
15 Correct 0 ms 384 KB Output is correct
16 Correct 0 ms 384 KB Output is correct
17 Correct 0 ms 384 KB Output is correct
18 Correct 0 ms 384 KB Output is correct
19 Correct 0 ms 384 KB Output is correct

Subtask #2
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 0 ms 384 KB Output is correct
12 Correct 0 ms 384 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Correct 0 ms 384 KB Output is correct
15 Correct 0 ms 384 KB Output is correct
16 Correct 0 ms 384 KB Output is correct
17 Correct 0 ms 384 KB Output is correct
18 Correct 0 ms 384 KB Output is correct
19 Correct 0 ms 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 1 ms 384 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 1 ms 384 KB Output is correct
25 Correct 1 ms 384 KB Output is correct
26 Correct 1 ms 384 KB Output is correct
27 Correct 1 ms 384 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 1 ms 384 KB Output is correct
31 Correct 1 ms 384 KB Output is correct
32 Correct 1 ms 384 KB Output is correct
33 Correct 1 ms 384 KB Output is correct
34 Correct 1 ms 384 KB Output is correct
35 Correct 1 ms 384 KB Output is correct
36 Correct 1 ms 384 KB Output is correct
37 Correct 1 ms 384 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 0 ms 384 KB Output is correct
12 Correct 0 ms 384 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Correct 0 ms 384 KB Output is correct
15 Correct 0 ms 384 KB Output is correct
16 Correct 0 ms 384 KB Output is correct
17 Correct 0 ms 384 KB Output is correct
18 Correct 0 ms 384 KB Output is correct
19 Correct 0 ms 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 1 ms 384 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 1 ms 384 KB Output is correct
25 Correct 1 ms 384 KB Output is correct
26 Correct 1 ms 384 KB Output is correct
27 Correct 1 ms 384 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 1 ms 384 KB Output is correct
31 Correct 1 ms 384 KB Output is correct
32 Correct 1 ms 384 KB Output is correct
33 Correct 1 ms 384 KB Output is correct
34 Correct 1 ms 384 KB Output is correct
35 Correct 1 ms 384 KB Output is correct
36 Correct 1 ms 384 KB Output is correct
37 Correct 1 ms 384 KB Output is correct
38 Correct 64 ms 3820 KB Output is correct
39 Correct 61 ms 3940 KB Output is correct
40 Correct 55 ms 3816 KB Output is correct
41 Correct 61 ms 3816 KB Output is correct
42 Correct 64 ms 3816 KB Output is correct
43 Correct 58 ms 3828 KB Output is correct
44 Correct 58 ms 3820 KB Output is correct
45 Correct 59 ms 3948 KB Output is correct
46 Correct 58 ms 3820 KB Output is correct
47 Correct 54 ms 3692 KB Output is correct
48 Correct 53 ms 3692 KB Output is correct
49 Correct 47 ms 3576 KB Output is correct
50 Correct 46 ms 3568 KB Output is correct
51 Correct 57 ms 3816 KB Output is correct
52 Correct 97 ms 3816 KB Output is correct
53 Correct 57 ms 3820 KB Output is correct
54 Correct 55 ms 3820 KB Output is correct
55 Correct 63 ms 3816 KB Output is correct
56 Correct 40 ms 3568 KB Output is correct
57 Correct 22 ms 1920 KB Output is correct
58 Correct 38 ms 3576 KB Output is correct
59 Correct 38 ms 3576 KB Output is correct
60 Correct 23 ms 1928 KB Output is correct
61 Correct 37 ms 2800 KB Output is correct
62 Correct 63 ms 3812 KB Output is correct
63 Correct 61 ms 3820 KB Output is correct
64 Correct 64 ms 3820 KB Output is correct
65 Correct 62 ms 3820 KB Output is correct
66 Correct 62 ms 3820 KB Output is correct
67 Correct 57 ms 3824 KB Output is correct
68 Correct 61 ms 3820 KB Output is correct
69 Correct 60 ms 3820 KB Output is correct
70 Correct 65 ms 3816 KB Output is correct
71 Correct 59 ms 3816 KB Output is correct
72 Correct 62 ms 3820 KB Output is correct
73 Correct 58 ms 3820 KB Output is correct