Submission #1173738

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1173738	2025-03-25 21:12:16	julia_08	Robots (IOI13_robots)	C++20	76 / 100	3095 ms	14716 KiB

robots

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#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(a + 1), nxt(a + 1), cnt(a + 1, 0);
  for(int i=0; i<a; i++) pre[i] = i - 1, nxt[i] = i + 1;
  pre[0] = 0, nxt[a] = a;
  int l_b = b - 1, cnt_b = 0;
  for(int i=0; i<t; i++){
    auto [s, w] = toys[i];
    while(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 ++;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

• Subtask 1: 14 / 14
• Subtask 2: 0 / 14
• Subtask 3: 25 / 25
• Subtask 4: 37 / 37
• Subtask 5: 0 / 10