oj.uz

Submission #760034

# Submission time Handle Problem Language Result Execution time Memory
760034 2023-06-17T06:56:00 Z ihceker Exam (eJOI20_exam) C++14
27 / 100
 25 ms 816 KB 
#include<bits/stdc++.h>
#define int long long
#define MOD 1000000007
#define all(x) x.begin(),x.end()
#define ff first
#define ss second
#define pb push_back
#define fast ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);

using namespace std;

int32_t main(){
	int n;
	cin>>n;
	int a[n],b[n];
	set<int>s;
	for(int i=0;i<n;i++){
		cin>>a[i];
		s.insert(a[i]);
	}
	for(int i=0;i<n;i++)cin>>b[i];
	if(*max_element(b,b+n)==*min_element(b,b+n)){
		int c[n],ans=0;
		for(int i=0;i<n;i++){
			if(a[i]>b[i])continue;
			if(!c[i]){
				c[i]=1;
				ans++;
			}
			for(int j=i-1;j>=0;j--){
				if(a[j]>=b[j])break;
				if(!c[j]){
					c[j]=1;
					ans++;
				}
			}
			for(int j=i+1;j<n;j++){
				if(a[j]>=b[j])break;
				if(!c[j]){
					c[j]=1;
					ans++;
				}
			}
		}
		cout<<ans<<endl;
		return 0;
	}
	vector<pair<int,int>>v;
	for(int i=0;i<n;i++){
		if(a[i]>b[i] || !s.count(b[i]))continue;
		v.pb({b[i],i});
	}
	sort(all(v));
	int dp[v.size()],ans=0;
	for(int i=0;i<(int)v.size();i++){
		int mx=0;
		for(int j=0;j<i;j++){
			if(v[i].ss>v[j].ss)mx=max(mx,dp[j]);
		}
		dp[i]=mx+1;
		ans=max(ans,mx+1);
	}
	cout<<ans<<endl;
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 224 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 4 ms 340 KB Output is correct
4 Correct 25 ms 816 KB Output is correct
5 Correct 10 ms 728 KB Output is correct
6 Correct 12 ms 724 KB Output is correct

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Incorrect 12 ms 728 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 224 KB Output is correct
4 Correct 1 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 Incorrect 3 ms 212 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #6
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 224 KB Output is correct
4 Correct 1 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 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 4 ms 340 KB Output is correct
10 Correct 25 ms 816 KB Output is correct
11 Correct 10 ms 728 KB Output is correct
12 Correct 12 ms 724 KB Output is correct
13 Incorrect 3 ms 212 KB Output isn't correct
14 Halted 0 ms 0 KB -