Submission #956092

#	Time	Username	Problem	Language	Result	Execution time	Memory
956092		Trisanu_Das	Longest beautiful sequence (IZhO17_subsequence)	C++17	23 / 100	6048 ms	2396 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';
}

Compilation message (stderr)

subsequence.cpp: In function 'int main()':
subsequence.cpp:21:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   21 |  for(int p : lbs) cout << p+1 << ' '; cout << '\n';
      |  ^~~
subsequence.cpp:21:39: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   21 |  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