Submission #522928

#	Time	Username	Problem	Language	Result	Execution time	Memory
522928		Sanzhar23	Longest beautiful sequence (IZhO17_subsequence)	C++14	23 / 100	42 ms	504 KiB

subsequence

#include <bits/stdc++.h>

using namespace std;

#define ll long long	
#define pb push_back
#define bug cout << "bug" << endl
#define speed ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0)
#define all(x) x.begin(), x.end()
#define F first
#define S second
#define pll pair <ll, ll> 
#define pii pair <int, int> 
#define triple pair <pair <ll, ll> , ll>  
#define ull unsigned long long
#define ld long double
#define pinode pair <node*, node*>

const ll INF = 9e18 + 5;
const ll inf = 1e9 + 5;
const ll N = 5e3 + 5;
const ll shift = 2e6;
const ll mod = 1e9 + 7;
const ll M = 10000 + 5;
const ll LOG = 21;
const ll sp = 263;
const ll block = 500;
const double eps = 1e-10;
	
int n, a[N], k[N], dp[N], p[N], mx = 0, st;

int main(){
    speed;
    cin >> n;
    for(int i = 1; i <= n; i++)
    	cin >> a[i];
    for(int i = 1; i <= n; i++)
    	cin >> k[i];
    for(int i = 1; i <= n; i++){
    	dp[i] = 1;
    	p[i] = -1;
    	for(int j = 1; j < i; j++){
    		int temp = (a[i] & a[j]);
    		if(__builtin_popcount(temp) == k[i] && dp[j] + 1 > dp[i]){
    			dp[i] = dp[j] + 1;
    			p[i] = j;
			}
		}
		if(dp[i] > mx){
			mx = dp[i];
			st = i;
		}
	}
	vector <int> ans;
	while(st != -1){
		ans.pb(st);
		st = p[st];
	}
	reverse(all(ans));
	cout << ans.size() << endl;
	for(auto to : ans)
		cout << to << " ";
}
/*	
%I64d



		
		



%I64d
*/ 

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