Submission #1254043

#	Time	Username	Problem	Language	Result	Execution time	Memory
1254043		fve5	Obstacles for a Llama (IOI25_obstacles)	C++20	24 / 100	107 ms	7872 KiB

obstacles

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

vector<int> locked;

void initialize(vector<int> T, vector<int> H) {
    for (int i = 0; i < H.size(); i++)
        if (T.back() <= H[i])
            locked.push_back(i);
}

bool can_reach(int L, int R, int S, int D) {
    auto nxt1 = upper_bound(locked.begin(), locked.end(), S);
    auto nxt2 = upper_bound(locked.begin(), locked.end(), D);
    return nxt1 == nxt2;
}

• 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