Submission #1311841

#	Time	Username	Problem	Language	Result	Execution time	Memory
1311841		vtnoo	Stone Arranging 2 (JOI23_ho_t1)	C++20	60 / 100	2096 ms	22204 KiB

Main

#include <bits/stdc++.h>
#define L(i, j, k) for(int i = (j); i <= (k); i++)
#define R(i, j, k) for(int i = (j); i >= (k); i--)
#define ll long long
#define sz(a) ((int) a.size())
#define all(a) a.begin(), a.end()
#define vi vector<ll>
#define pb emplace_back
#define me(a, x) memset(a, x, sizeof(a))
#define fst first
#define snd second
#define ii pair<ll, ll>
using namespace std;
int main(){
	ios::sync_with_stdio(false); 
	cin.tie(nullptr);
	int n;cin>>n;
	vi a(n);
	L(i,0,n-1)cin>>a[i];
	unordered_map<int,vi>id;
	//~ cout<<"PASS"<<endl;
	L(i,0,n-1){
		//~ cout<<"PASS"<<endl;
		//~ cout<<i<<" ";
		if(sz(id[a[i]])>=1){
			int idx=id[a[i]].back();
			R(j,i-1,idx+1){
				if(sz(id[a[j]]))id[a[j]].pop_back();
				a[j]=a[i];
			}
		}
		id[a[i]].pb(i);
	}
	L(i,0,n-1)cout<<a[i]<<endl;
}

• Subtask 1: 25 / 25
• Subtask 2: 35 / 35
• Subtask 3: 0 / 40