Submission #1215344

#	Time	Username	Problem	Language	Result	Execution time	Memory
1215344		akqxolotl	Bikeparking (EGOI24_bikeparking)	C++20	19 / 100	23 ms	7092 KiB

Main

//Segment Tree is a State of Mind
#include <bits/stdc++.h>
using namespace std;
#define debug(x) cerr<<#x<<" is "<<x<<endl;
#define debugl(x) cerr <<'\n'<< #x << " is "; for(auto p : x) cerr << p << " "; cerr << endl;
#define int long long
typedef vector<int> vi;
typedef pair<int,int> pii;
typedef pair<int,pii> ipii;
#define pb push_back
#define fi first
#define se second
#define sz(x) (int)(x).size()
	
signed main(){
	ios_base::sync_with_stdio(0);cin.tie(0);
	//mt19937_64 rnd(chrono::high_resolution_clock::now().time_since_epoch().count());
	int n;cin>>n;
	deque<int> dq;
	vi v;
	for(int i=0;i<n;i++){
		int x;cin>>x;
		if(x)dq.pb(i);
	}
	for(int i=0;i<n;i++){
		int x;cin>>x;
		if(x)v.pb(i);
	}
	while(sz(dq)>sz(v))dq.pop_back();
	int nc=0,s=0;
	for(auto i:v){
		if(dq[0]<i){
			dq.pop_front();
			s++;
			continue;
		}
		if(nc>0){
			dq.pop_back();
			nc--;
		}else{
			if(dq[0]==i){
				nc++;
				dq.pop_front();
			}else{
				dq.pop_back();
				s--;
			}
		}
	}
	cout<<s<<'\n';
}

• Subtask 1: 0 / 16
• Subtask 2: 0 / 9
• Subtask 3: 19 / 19
• Subtask 4: 0 / 24
• Subtask 5: 0 / 32