Submission #1252519

#	Time	Username	Problem	Language	Result	Execution time	Memory
1252519		NekoRolly	Obstacles for a Llama (IOI25_obstacles)	C++20	24 / 100	109 ms	7872 KiB

obstacles

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

int n,m;
vector<int> vpos;

void initialize(vector<int> T,vector<int> H){
    n = T.size(), m = H.size();
    for (int i=0; i<m; i++)
        if (T[n-1] <= H[i])
            vpos.push_back(i);
    return;
}

bool can_reach(int L, int R, int S, int D) {
    if (S > D) swap(S, D);
    auto it = lower_bound(vpos.begin(), vpos.end(), S);
    return it == vpos.end() || *it > D;
}

• 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