Submission #951493

#TimeUsernameProblemLanguageResultExecution timeMemory
951493Trisanu_DasEditor (BOI15_edi)C++17
63 / 100
264 ms90448 KiB
#include <bits/stdc++.h>
using namespace std;
int arr[400000];
 
int calculate(int x){
	if(arr[x]>=0)return x;
	stack<int> q;
	q.push(arr[x]);
	for(int i = x - 1; i > 0; i--){
		if(arr[i] > q.top()) q.pop();
		else q.push(arr[i]);
		if(q.empty()) return calculate(i - 1);
	}
	return 0;
}

int main(){
	int n; cin >> n;
	n++;
	arr[0] = 0;
	for(int i = 1; i < n; i++) cin >> arr[i];
	if(n <= 6000){
		for(int i = 1; i < n; i++) cout << arr[calculate(i)] << '\n';
		return 0;
	}
	int mn = 0;
	for(int i = 1; i < n; i++) mn = min(mn, arr[i]);
	if(mn >= -1){
		stack<int> q;
		q.push(0);
		for(int i = 1; i < n; i++){
			if(arr[i] > 0) q.push(arr[i]); 
			else q.pop();
			cout << q.top() << '\n';
		}
	}else{
		for(int i = 1; i < n - 1; i++) cout << "1\n";
		cout << arr[calculate(n - 1)] << '\n';
	}
}
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