Submission #951486

#	Time	Username	Problem	Language	Result	Execution time	Memory
951486		Trisanu_Das	Editor (BOI15_edi)	C++17	35 / 100	3048 ms	5736 KiB

edi

#include <bits/stdc++.h>
#pragma GCC optimize ("O2,unroll-loops")
using namespace std;
const int MAXN = 300010, LOG=18;
 
int n, x, ans[MAXN], par[MAXN], mn[MAXN];
 
int main(){
	ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
	cin>>n;
	for (int i=1; i<=n; i++){
		cin>>x;
		if (x>0){
			par[i]=i;
			ans[i]=x;
		}
		else{
			mn[i]=x=-x;
			int v=i-1;
			while (mn[v]>=x) v=par[v];
			par[i]=v-1;
			ans[i]=ans[par[i]];
		}
		cout<<ans[i]<<'\n';
	}
	return 0;
}

• Subtask 1: 20 / 20
• Subtask 2: 15 / 15
• Subtask 3: 0 / 28
• Subtask 4: 0 / 37