Submission #468058

#	Time	Username	Problem	Language	Result	Execution time	Memory
468058		Stickfish	Exam (eJOI20_exam)	C++17	0 / 100	1 ms	332 KiB

exam

#include <iostream>
#include <bitset>
using namespace std;

const int MAXN = 11;
int a[MAXN];
int b[MAXN];

signed main(){
	int n;
	cin >> n;
	for(int i = 0; i < n; ++i){
		cin >> a[i];
	}
	for(int i = 0; i < n; ++i){
		cin >> b[i];
	}
	int ans = 0;
	for(int m = 0; m < (1 << n); ++m){
		bitset<MAXN> bs = m;
		bs[n] = 1;
		bs[0] = 1;
		int cnt = 0;
		for(int i = 0; i < n; ++i){
			if(bs[i]){
				int mx = a[i];
				for(int j = i + 1; !bs[j]; ++j)
					mx = max(mx, a[j]);
				for(int j = i; !bs[j] || j == i; ++j){
					if(mx == b[j])
						++cnt;
				}
			}
		}
		ans = max(ans, cnt);
	}
	cout << ans << endl;
}

• Subtask 1: 0 / 14
• Subtask 2: 0 / 12
• Subtask 3: 0 / 13
• Subtask 4: 0 / 23
• Subtask 5: 0 / 16
• Subtask 6: 0 / 22