Submission #1173744

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1173744	2025-03-25 21:21:11	julia_08	Robots (IOI13_robots)	C++20	100 / 100	1797 ms	11176 KiB

robots

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#include "robots.h"
#include <bits/stdc++.h>
using namespace std;
vector<pair<int, int>> toys;
bool check(int a, int b, int t, int x[], int y[], int k){
  if(k > t) return true;
  vector<int> cnt(a + 1, 0);
  set<pair<int, int>> robots;
  for(int i=0; i<a; i++) robots.insert({x[i] - 1, i});
  int l_b = b - 1, cnt_b = 0;
  for(int i=0; i<t; i++){
    auto [s, w] = toys[i];
    auto pos = robots.lower_bound({w, 0});
    if(pos == robots.end()){
      if(l_b < 0 || y[l_b] <= s) return false;
      cnt_b ++;
 
 
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• Subtask 1: 14 / 14
• Subtask 2: 14 / 14
• Subtask 3: 25 / 25
• Subtask 4: 37 / 37
• Subtask 5: 10 / 10