Submission #1299248

#	Time	Username	Problem	Language	Result	Execution time	Memory
1299248		lizi14	Obstacles for a Llama (IOI25_obstacles)	C++20	0 / 100	2095 ms	6244 KiB

obstacles

#include "obstacles.h"
#include <bits/stdc++.h>
using namespace std;
const int N=2e5+5;
vector<int>k;
long long n;
void initialize(vector<int> T, vector<int> H) {
    n=H.size();
    int j=0;
    for(int j=0; j<H.size(); j++){
        if(T[0]<=H[j]){
            //x[j]=-1;
            k.push_back(j);
        }
        else{
            //x[j]=1;
        }
        //cout<<x[j]<<" ";
        //x[j]=a;
        //j++;
    }
    return;
}

bool can_reach(int L, int R, int S, int D) {
    //L--,R--,S--,D--;
    if(S>D)swap(S,D);
    for(auto a:k){
        if(a>=S && a<=D){
            return 0;
        }
    }
    return true;
}

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