제출 #844086

#제출 시각아이디문제언어결과실행 시간메모리
844086AcanikolicExam (eJOI20_exam)C++14
0 / 100
1072 ms1116 KiB
#include <bits/stdc++.h>

#define int long long 

using namespace std;

signed main() {
	
	int n;
	cin >> n;
	vector<int>a(n+1),b(n+1);
	for(int i=1;i<=n;i++) cin >> a[i];
	for(int i=1;i<=n;i++) cin >> b[i];
	int res = 0;
	vector<int>dp(n+1);
	for(int r=1;r<=n;r++) {
		for(int l=1;l<=r;l++) {
			int pre = 0;
			for(int j=1;j<l;j++) if(a[j] == b[j]) pre += 1;
			int mx = 0;
			for(int j=l;j<=r;j++) mx = max(mx,a[j]);
			int cnt = 0;
			for(int j=l;j<=r;j++) if(b[j] == mx) cnt += 1;
			dp[r] = max(dp[r],dp[l-1]+cnt);
		}
	}
	//for(int i=1;i<=n;i++) cout << dp[i] << ' ';
	cout << dp[n];
	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

exam.cpp: In function 'int main()':
exam.cpp:14:6: warning: unused variable 'res' [-Wunused-variable]
   14 |  int res = 0;
      |      ^~~
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