제출 #1296193

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1296193		eri16	버섯 세기 (IOI20_mushrooms)	C++20	컴파일 에러	0 ms	0 KiB

mushrooms

#include "mushrooms.h"
#include <bits/stdc++.h>

using namespace std;

int count_mushrooms(int n){
    
    vector <int> A;
    vector <int> B;
    
    int ans=1;
    int cur=150;
        
    A.push_back(0);
    
    for (int i=1; i<3 && i<n; i++){
        vector <int> test;
        test.push_back(0);
        test.push_back(i);
        if (use_machine(test)==0){
            A.push_back(i);
            ans++;
        }
        else{
            B.push_back(i);
        }
    }
    
    vector <int> cl;
    
    if (A.size()>B.size()){cl=A;}
    else{cl=B;}
    
    for (int i=3; i<150 && i<n; i=i+2){
        vector <int> test;
        test.push_back(i);
        test.push_back(cl[0]);
        if (i+1<150 && i+1<n){test.push_back(i+1);test.push_back(cl[1]);}
        
        int tmans=use_machine(test);
        
        if (cl[0]==0){
            if (tmans==0){A.push_back(i);ans++;
                if (i+1<150 && i+1<n){A.push_back(i+1);ans++;}
            }
            if (tmans==1){
                B.push_back(i);
                if (i+1<150 && i+1<n){A.push_back(i+1);ans++;}
            }
            if (tmans==2){
                A.push_back(i);ans++;
                if (i+1<150 && i+1<n){A.push_back(i+1);}
            }            
            if (tmans==3){
                B.push_back(i);
                if (i+1<150 && i+1<n){B.push_back(i+1);}                
            }
        }
        else{
            if (tmans==3){A.push_back(i);ans++;
                if (i+1<150 && i+1<n){A.push_back(i+1);ans++;}
            }
            if (tmans==2){
                B.push_back(i);
                if (i+1<150 && i+1<n){A.push_back(i+1);ans++;}
            }
            if (tmans==1){
                A.push_back(i);ans++;
                if (i+1<150 && i+1<n){A.push_back(i+1);}
            }            
            if (tmans==0){
                B.push_back(i);
                if (i+1<150 && i+1<n){B.push_back(i+1);}                
            }
        }
    }    
    
    vector <int> c
    
    if (A.size()>B.size()){c=A;}
    else{c=B;}    
    
    while (cur<n){
       
        vector <int> test;
         
        int prv=cur;
       
        for (int i=0; i<75 && cur<n; i++){
           test.push_back(cur);
           test.push_back(c[i]);
           cur++;
        }
        
        int tmans=use_machine(test);
        
        if (c[0]==0){
            if (tmans%2==0){ans++;}
            ans=ans+(cur-prv-1)-tmans/2;
        }
        else{
            if (tmans%2==1){ans++;}
            ans=ans+tmans/2;
        }
        
    }  
    return ans;
}

컴파일 시 표준 에러 (stderr) 메시지

mushrooms.cpp: In function 'int count_mushrooms(int)':
mushrooms.cpp:80:5: error: expected initializer before 'if'
   80 |     if (A.size()>B.size()){c=A;}
      |     ^~
mushrooms.cpp:81:5: error: 'else' without a previous 'if'
   81 |     else{c=B;}
      |     ^~~~
mushrooms.cpp:81:10: error: 'c' was not declared in this scope; did you mean 'cl'?
   81 |     else{c=B;}
      |          ^
      |          cl
mushrooms.cpp:91:27: error: 'c' was not declared in this scope
   91 |            test.push_back(c[i]);
      |                           ^
mushrooms.cpp:97:13: error: 'c' was not declared in this scope; did you mean 'cl'?
   97 |         if (c[0]==0){
      |             ^
      |             cl