Submission #1235211

#TimeUsernameProblemLanguageResultExecution timeMemory
1235211stanirinaCounting Mushrooms (IOI20_mushrooms)C++20
Compilation error
0 ms0 KiB
#include <bits/stdc++.h> //#include "mushrooms.h" using namespace std; int count_mushrooms(int n) { int ans=1; vector<int> a; vector<int> b; a.clear(); b.clear(); a.push_back(0); for (int i = 1; i < min(n,200); i++){ int c=use_machine({i,0}); if(c==0)a.push_back(i); else b.push_back(i); } ans=a.size(); vector<int> m; int sz=200; for(int i=200;i<n;i+=200){ m.clear(); int j=i; for(j;j<min(n,i+(int)a.size());j++){ m.push_back(a[j-i]); m.push_back(j); } if(m.size()>0)ans+=(a.size()-(use_machine(m)+1)/2); m.clear(); for(j;j<min(n,i+200);j++){ m.push_back(b[j-i-a.size()]); m.push_back(j); } if(m.size()>0)ans+=(use_machine(m)+1)/2; } return ans; }

Compilation message (stderr)

mushrooms.cpp: In function 'int count_mushrooms(int)':
mushrooms.cpp:14:15: error: 'use_machine' was not declared in this scope
   14 |         int c=use_machine({i,0});
      |               ^~~~~~~~~~~
mushrooms.cpp:28:39: error: 'use_machine' was not declared in this scope
   28 |         if(m.size()>0)ans+=(a.size()-(use_machine(m)+1)/2);
      |                                       ^~~~~~~~~~~
mushrooms.cpp:34:29: error: 'use_machine' was not declared in this scope
   34 |         if(m.size()>0)ans+=(use_machine(m)+1)/2;
      |                             ^~~~~~~~~~~