Submission #1299247

#	Time	Username	Problem	Language	Result	Execution time	Memory
1299247		lizi14	Obstacles for a Llama (IOI25_obstacles)	C++20	0 / 100	51 ms	6640 KiB

obstacles

#include "obstacles.h"
#include <bits/stdc++.h>
using namespace std;
const int N=2e5+5;
long long x[200005];
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;
        }
        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);
    int kaa=0;
    //S--;
    //D--;
    //cout<<S<<" "<<D<<endl;
    for(int i=S; i<=D; i++){
        if(x[i]==-1){
            kaa=1;
            break;
        }
        // else{
        //     //cout<<x[i]<<" ";
        //     kaa=1;
        //     break;
        // }
    }
    if(kaa==0)return true;
    else return false;
}

• 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