Submission #1297164

#	Time	Username	Problem	Language	Result	Execution time	Memory
1297164		gabo	Obstacles for a Llama (IOI25_obstacles)	C++20	24 / 100	87 ms	7800 KiB

obstacles

#include "obstacles.h"
#include <bits/stdc++.h>
using namespace std;

static vector<int> v;

void initialize(vector<int> t, vector<int> h)
{
    v.clear();
    int n = t.size(), m = h.size();
    int x = t[n-1];
    for(int i=0;i<m;i++)
        if(h[i] >= x)
            v.push_back(i);
}

bool can_reach(int L, int R, int S, int D)
{
    int a = min(S,D), b = max(S,D);
    auto it = lower_bound(v.begin(), v.end(), a);
    return (it == v.end() || *it > b);
}

• 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