Submission #692966

#	Time	Username	Problem	Language	Result	Execution time	Memory
692966		Pyqe	송신탑 (IOI22_towers)	C++17	14 / 100	884 ms	2728 KiB

towers

#include <bits/stdc++.h>
#include "towers.h"

using namespace std;

long long a[100069],ps[100069];

void init(int n,vector<int> aa)
{
	long long i;
	
	for(i=1;i<=n;i++)
	{
		a[i]=aa[i-1];
	}
	for(i=1;i<=n;i++)
	{
		ps[i]=ps[i-1]+(i>1&&i<n&&a[i]<a[i-1]&&a[i]<a[i+1]);
	}
}

int max_towers(int lb,int rb,int cw)
{
	lb++;
	rb++;
	if(lb==rb)
	{
		return 1;
	}
	else
	{
		return ps[rb-1]-ps[lb]+(a[lb]<a[lb+1])+(a[rb]<a[rb-1]);
	}
}

• Subtask 1: 0 / 4
• Subtask 2: 0 / 11
• Subtask 3: 0 / 12
• Subtask 4: 14 / 14
• Subtask 5: 0 / 17
• Subtask 6: 0 / 19
• Subtask 7: 0 / 23