Submission #951484

#	Time	Username	Problem	Language	Result	Execution time	Memory
951484		Trisanu_Das	Editor (BOI15_edi)	C++17	0 / 100	41 ms	5204 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);
	cin >> n;
	for (int i = 1; i <= n; i++){
		cin >> x;
		if (x){
			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';
	}
}

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