Submission #1173732

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1173732	2025-03-25 20:31:41	julia_08	Robots (IOI13_robots)	C++20	14 / 100	235 ms	20180 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, vector<int> l_a){
  if(k > t) return true;
  vector<int> pre(t + 1), nxt(t + 1), cnt(t + 1, 0);
  for(int i=0; i<t; i++) pre[i] = i - 1, nxt[i] = i + 1;
  pre[0] = 0, nxt[t] = t;
  int l_b = b - 1, cnt_b = 0;
  for(int i=0; i<t; i++){
    auto [s, w] = toys[i];
    if(l_a[i] < a && cnt[l_a[i]] == k) l_a[i] = nxt[l_a[i]];
    if(l_a[i] >= a){
      if(l_b < 0 || y[l_b] <= s) return false;
      cnt_b ++;
 
 
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• Subtask 1: 14 / 14
• Subtask 2: 0 / 14
• Subtask 3: 0 / 25
• Subtask 4: 0 / 37
• Subtask 5: 0 / 10