Submission #200615

#	Time	Username	Problem	Language	Result	Execution time	Memory
200615		TadijaSebez	Editor (BOI15_edi)	C++11	63 / 100	113 ms	4216 KiB

edi

#include <bits/stdc++.h>
using namespace std;
const int N=300050;
int a[N];
int main(){
	int n,mn=0;
	scanf("%i",&n);
	for(int i=1;i<=n;i++)scanf("%i",&a[i]),mn=min(mn,a[i]);
	if(mn>=-1){
		stack<int> stk;
		for(int i=1;i<=n;i++){
			if(a[i]>0)stk.push(a[i]);
			else if(stk.size())stk.pop();
			if(stk.size())printf("%i\n",stk.top());
			else printf("0\n");
		}
	}
	else{
		for(int i=1;i<=n;i++){
			stack<int> stk;
			int ans=0;
			if(i==n||n<=5000){
				for(int j=i;j>=1;j--){
					if(stk.size()&&a[j]>stk.top()){
						stk.pop();
					}else{
						if(a[j]>0){ans=a[j];break;}
						stk.push(a[j]);
					}
				}
			}
			printf("%i\n",ans);
		}
	}
	return 0;
}

Compilation message (stderr)

edi.cpp: In function 'int main()':
edi.cpp:7:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%i",&n);
  ~~~~~^~~~~~~~~
edi.cpp:8:40: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i=1;i<=n;i++)scanf("%i",&a[i]),mn=min(mn,a[i]);
                       ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~

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