Submission #1302594

#	Time	Username	Problem	Language	Result	Execution time	Memory
1302594		lunarecho	Obstacles for a Llama (IOI25_obstacles)	C++20	10 / 100	147 ms	17640 KiB

obstacles

#include "obstacles.h"
#include <bits/stdc++.h>
using namespace std;
vector<int> t, h;
set<int> s;
void initialize(std::vector<int> T, std::vector<int> H) {
  t = T;
  h = H;
  for(int i=0;i<h.size();++i) {
    if(t[0] <= h[i]) {
      s.insert(i);
    }
  }
  return;
}

bool can_reach(int L, int R, int S, int D) {
  if(S > D) {
    swap(S, D);
  }
  auto it = s.lower_bound(S);
  if(it != s.end() && *it <= D) {
    return false;
  }
  return true;
}

• 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