Submission #1299275

#	Time	Username	Problem	Language	Result	Execution time	Memory
1299275		alexrana2626	Obstacles for a Llama (IOI25_obstacles)	C++20	24 / 100	101 ms	9016 KiB

obstacles

#include "obstacles.h"
#include <bits/stdc++.h>
using namespace std;
vector<int> v, v1;
int n;
void initialize(vector<int> T, vector<int> H) 
{
	n = T.size();
    for (int i = 0; i < H.size(); i++)
    {
    	if (T[0] <= H[i]) v.push_back(i);
	}
	for (int i = 0; i < H.size(); i++)
	{
		if (T[n - 1] <= H[i]) v1.push_back(i);
	}
	return;
}

bool can_reach(int L, int R, int S, int D) 
{
	if (n == 1)
	{
		auto it = lower_bound(v.begin(), v.end(), min(S, D));
	    if (it != v.end() && *it < max(S, D))
	    {
		    return false;
	    }
	    return true;
	}
	else 
	{
		auto it = lower_bound(v1.begin(), v1.end(), min(S, D));
	    if (it != v1.end() && *it < max(S, D))
	    {
		    return false;
	    }
	    return true;
	}
}

• Subtask 0: 0 / 0
• Subtask 1: 10 / 10
• Subtask 2: 14 / 14
• Subtask 3: 0 / 13
• Subtask 4: 0 / 21
• Subtask 5: 0 / 25
• Subtask 6: 0 / 17