Submission #1286495

#	Time	Username	Problem	Language	Result	Execution time	Memory
1286495		eri16	Obstacles for a Llama (IOI25_obstacles)	C++20	10 / 100	66 ms	6596 KiB

obstacles

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

int arr1[200005];

void initialize(std::vector<int> T, std::vector<int> H){
    
    if (T.size()==1){
        
        for (int i=0; i<H.size(); i++){
            arr1[i]=(T[0]>H[i]) ? 1 : 0;
        }
        
        int k=0;
        
        for (int i=0; i<H.size(); i++){
            
            if (arr1[i]==1){arr1[i]=k;}
            else{
                arr1[i]=-1;
                if (i>0){
                    if (arr1[i-1]!=-1){
                        k++;
                    }
                }
            }
        }
    }
}


bool can_reach(int L, int R, int S, int D){
    return arr1[S]==arr1[D];
}

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