Submission #502599

#	Time	Username	Problem	Language	Result	Execution time	Memory
502599		Aktan	Longest beautiful sequence (IZhO17_subsequence)	C++17	0 / 100	1 ms	420 KiB

subsequence

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
#define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update>
#define int long long
#define ft first
#define sc second
using namespace std;
const int mod=1e9+7,INF=1e17,N=1e5;

int a[5005],b[5005];
vector<int> dp[5005];
main(){
	int n;
	cin >> n;
	for(int i=1;i<=n;i++){
		cin >> a[i];
	}		
	for(int i=1;i<=n;i++){
		cin >> b[i];
	}		
	int ans=-1;
	dp[1].push_back(1);
	int m=0,e=-1;
	for(int i=1;i<=n;i++){
		bool h=0;
		for(int j=i-1;j>=1;j--){
			if(__builtin_popcount(a[i]&a[j])==b[i] && dp[j].size()>dp[i].size()){
				h=1;
				dp[i]=dp[j];
				dp[i].push_back(i);
			}
		}
		if(dp[i].empty()){
			dp[i].push_back(i);
		}
		if(dp[i].size()>m){
			m=dp[i].size();
			e=i;
		}
	}
	cout << dp[e].size() << endl;
	for(auto x : dp[e]){
		cout << x << " ";
	}
	
	
	
}

Compilation message (stderr)

subsequence.cpp:14:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   14 | main(){
      | ^~~~
subsequence.cpp: In function 'int main()':
subsequence.cpp:38:18: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   38 |   if(dp[i].size()>m){
      |      ~~~~~~~~~~~~^~
subsequence.cpp:27:8: warning: variable 'h' set but not used [-Wunused-but-set-variable]
   27 |   bool h=0;
      |        ^
subsequence.cpp:23:6: warning: unused variable 'ans' [-Wunused-variable]
   23 |  int ans=-1;
      |      ^~~

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