Submission #812079

#	Time	Username	Problem	Language	Result	Execution time	Memory
812079		devariaota	Longest beautiful sequence (IZhO17_subsequence)	C++17	23 / 100	6062 ms	2388 KiB

subsequence

#include<bits/stdc++.h>
using namespace std;
int main() {
  ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
  int n; cin >> n;
  pair<int, int> ans;
  vector<int> a(n), b(n), dp(n), par(n, -1);
  for(int &p : a) cin >> p;
  for(int &p : b) cin >> p;
  for(int i=0; i<n; i++) {
    for(int j=0; j<i; j++) {
      if(__builtin_popcount(a[i]&a[j])==b[i]) {
        if(dp[j]>dp[i])
          dp[i]=dp[j], par[i]=j;
      }
    }
    ans=max(ans, {++dp[i], i});
  }
  deque<int> lbs;
  cout << ans.first << '\n';
  int idx=ans.second;
  while(idx!=-1) {
    lbs.push_front(idx);
    idx=par[idx];
  }
  for(int p : lbs) cout << p+1 << ' '; cout << '\n';
    return 0;
}

Compilation message (stderr)

subsequence.cpp: In function 'int main()':
subsequence.cpp:26:3: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   26 |   for(int p : lbs) cout << p+1 << ' '; cout << '\n';
      |   ^~~
subsequence.cpp:26:40: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   26 |   for(int p : lbs) cout << p+1 << ' '; cout << '\n';
      |                                        ^~~~

• Subtask 1: 7 / 7
• Subtask 2: 16 / 16
• Subtask 3: 0 / 17
• Subtask 4: 0 / 60