Submission #844092

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
844092	2023-09-05 07:55:43	Acanikolic	Exam (eJOI20_exam)	C++17	0 / 100	1043 ms	856 KiB

exam

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#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+1,0);
  for(int r=1;r<=n;r++) {
    for(int l=1;l<=r;l++) {
      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;
}
 
 
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Compilation message (stderr)

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

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