Submission #627937

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
627937	2022-08-13 01:24:12	lunchbox	Rarest Insects (IOI22_insects)	C++17	Compilation error	0 ms	0 KiB

insects

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#include <bits/stdc++.h>
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
typedef vector<int> vi;
#ifdef LOCAL
void move_inside(int i);
void move_outside(int i);
int press_button();
#endif
int min_cardinality(int n) {
  int c = 0;
  vi u, v, in(n), p(n);
  iota(p.begin(), p.end(), 0);
  for (int i = 0; i < n; i++) {
    move_inside(p[i]);
    if (press_button() == 1) {
      c++;
      in[i] = 1;
    } else {
      move_outside(p[i]);
      u.push_back(i);
    }
  }
  int low = 2, hi = n / c, sz = 0, ans = 1;
  while (low <= hi) {
    int t = (low + hi) / 2;
 
 
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Compilation message (stderr)

insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:19:5: error: 'move_inside' was not declared in this scope
   19 |     move_inside(p[i]);
      |     ^~~~~~~~~~~
insects.cpp:20:9: error: 'press_button' was not declared in this scope
   20 |     if (press_button() == 1) {
      |         ^~~~~~~~~~~~
insects.cpp:24:7: error: 'move_outside' was not declared in this scope
   24 |       move_outside(p[i]);
      |       ^~~~~~~~~~~~
insects.cpp:36:7: error: 'move_inside' was not declared in this scope
   36 |       move_inside(p[i]);
      |       ^~~~~~~~~~~
insects.cpp:37:11: error: 'press_button' was not declared in this scope
   37 |       if (press_button() > t) {
      |           ^~~~~~~~~~~~
insects.cpp:38:9: error: 'move_outside' was not declared in this scope
   38 |         move_outside(p[i]);
      |         ^~~~~~~~~~~~
insects.cpp:56:13: error: 'move_outside' was not declared in this scope
   56 |             move_outside(p[i]);
      |             ^~~~~~~~~~~~