Submission #1103999

#	Time	Username	Problem	Language	Result	Execution time	Memory
1103999		vjudge1	Counting Mushrooms (IOI20_mushrooms)	C++14	Compilation error	0 ms	0 KiB

mushrooms

#include <bits/stdc++.h>
#include "mushrooms.h"
using namespace std;

int count_mushrooms(int n){
    vector<int> w,b;
    char c;
    int s,ans=0;
    int arr[]={0,1};
    w.push_back(0);
    if(use_machine(arr)){
        b.push_back(1);
        int arr[]={0,2};
        if(use_machine(arr)){
            b.push_back(2);
            c='b';
        } else {
            w.push_back(2);
            c='w';
        }
        s=3;
    } else {
        w.push_back(1);
        c='w';
        s=2;
    }
    int d=min(100,(n-s)/2);
    while(d--){
        if(c=='w'){
            int arr[]={w[0],s,w[1],s+1};
            int tmp=use_machine(arr);
            if(tmp%2){
                b.push_back(s+1);
            } else {
                w.push_back(s+1);
            }
            if(tmp/2){
                b.push_back(s);
            } else {
                w.push_back(s);
            }
            s+=2;
        } else {
            int arr[]={b[0],s,b[1],s+1};
            int tmp=use_machine(arr);
            if(tmp%2){
                w.push_back(s+1);
            } else {
                b.push_back(s+1);
            }
            if(tmp/2){
                w.push_back(s);
            } else {
                b.push_back(s);
            }
            s+=2;
        }
    }
    ans=w.size();
    int sz=max(b.size(),w.size());
    while(n-s>=sz){
        int tmp[2*sz];
        if(w.size()>b.size()){
            for(int i=0;i<sz;i++,s++){
                tmp[i*2]=w[i];
                tmp[i*2+1]=s;
            }
            int t=use_machine(tmp);
            if(t%2)b.push_back(s-1);
            else w.push_back(s-1);
            ans+=sz-(t+1)/2;
        } else {
            for(int i=0;i<sz;i++,s++){
                tmp[i*2]=b[i];
                tmp[i*2+1]=s;
            }
            int t=use_machine(tmp);
            if(t%2)w.push_back(s-1);
            else b.push_back(s-1);
            ans+=(t+1)/2;
        }
        sz=max(b.size(),w.size());
    }
    int tmp[(n-s)*2];
    if(w.size()>b.size()){
        for(int i=0;s<n;i++,s++){
            tmp[i*2]=w[i];
            tmp[i*2+1]=s;
        }
        int t=use_machine(tmp);
        if(t%2)b.push_back(s-1);
        else w.push_back(s-1);
        ans+=sz-(t+1)/2;
    } else {
        for(int i=0;s<n;i++,s++){
            tmp[i*2]=b[i];
            tmp[i*2+1]=s;
        }
        int t=use_machine(tmp);
        if(t%2)w.push_back(s-1);
        else b.push_back(s-1);
        ans+=(t+1)/2;
    }
    return ans;
}

Compilation message (stderr)

mushrooms.cpp: In function 'int count_mushrooms(int)':
mushrooms.cpp:11:20: error: could not convert '(int*)(& arr)' from 'int*' to 'std::vector<int>'
   11 |     if(use_machine(arr)){
      |                    ^~~
      |                    |
      |                    int*
mushrooms.cpp:14:24: error: could not convert '(int*)(& arr)' from 'int*' to 'std::vector<int>'
   14 |         if(use_machine(arr)){
      |                        ^~~
      |                        |
      |                        int*
mushrooms.cpp:31:33: error: could not convert '(int*)(& arr)' from 'int*' to 'std::vector<int>'
   31 |             int tmp=use_machine(arr);
      |                                 ^~~
      |                                 |
      |                                 int*
mushrooms.cpp:45:33: error: could not convert '(int*)(& arr)' from 'int*' to 'std::vector<int>'
   45 |             int tmp=use_machine(arr);
      |                                 ^~~
      |                                 |
      |                                 int*
mushrooms.cpp:68:31: error: could not convert '(int*)(& tmp)' from 'int*' to 'std::vector<int>'
   68 |             int t=use_machine(tmp);
      |                               ^~~
      |                               |
      |                               int*
mushrooms.cpp:77:31: error: could not convert '(int*)(& tmp)' from 'int*' to 'std::vector<int>'
   77 |             int t=use_machine(tmp);
      |                               ^~~
      |                               |
      |                               int*
mushrooms.cpp:90:27: error: could not convert '(int*)(& tmp)' from 'int*' to 'std::vector<int>'
   90 |         int t=use_machine(tmp);
      |                           ^~~
      |                           |
      |                           int*
mushrooms.cpp:99:27: error: could not convert '(int*)(& tmp)' from 'int*' to 'std::vector<int>'
   99 |         int t=use_machine(tmp);
      |                           ^~~
      |                           |
      |                           int*