Submission #925472

#	Time	Username	Problem	Language	Result	Execution time	Memory
925472		jcelin	Stone Arranging 2 (JOI23_ho_t1)	C++14	100 / 100	142 ms	16064 KiB

Main

#include <bits/stdc++.h>
using namespace std;

typedef long long ll;

typedef pair<int,int> ii;
typedef pair<ll,ll> pll;
typedef vector<int> vi;
typedef vector<ii> vii;
typedef vector<ll> vll;
typedef vector<pll> vpll;

#define PB push_back
#define PF push_front
#define PPB pop_back
#define PPF pop_front
#define X first
#define Y second
#define MP make_pair
#define all(x) (x).begin(), (x).end()

const int mod = 1e9 + 7; //998244353;
const int inf = 1e9 + 7;
const ll INF = 1e18 + 7;
const int logo = 20;
const int MAXN = 1e6 + 7;
const int off = 1 << logo;
const int trsz = off << 1;
const int dx[] = {1, -1, 0, 0};
const int dy[] = {0, 0, -1, 1};

map<int, int> f;
int arr[MAXN];
vi st;

void solve(){
	int n;
	cin >> n;
	for(int i=1; i<=n; i++){
		int x;
		cin >> x;
		if(f[x] != 0){
			while(1){
				int u = st.back();
				st.PPB();
				f[arr[u]]--;
				if(arr[u] == x) break;
			}
		}
		st.PB(i);
		f[x] = 1;
		arr[i] = x;
	}
	

	
	int j = 0;
	for(int i=1; i<=n; i++){
		if(i > st[j]) j++;
		cout << arr[st[j]] << "\n";
	}
}

int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cout.tie(NULL);
	int tt = 1;
	//cin >> tt;
	while(tt--) solve();
	return 0;
}

• Subtask 1: 25 / 25
• Subtask 2: 35 / 35
• Subtask 3: 40 / 40