제출 #721437

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
721437		vjudge1	버섯 세기 (IOI20_mushrooms)	C++17	컴파일 에러	0 ms	0 KiB

mushrooms

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

#define N '\n';
#define VI <vector <int>>
#define VVI <vector <vector <int>>>  

void solve(){
    long long n, k;
    cin>>n>>k;
    for(int i = 0; i < 2 ; i++){
        if((n - (k * i)) % 2 == 0){
            cout<<"Yes"<<endl;
            return;
        }
    }
    cout<<"No"<<endl;
}

int main(){
    int n;
    cin>>n;

    int cnt = 1;    
    
    if(n <= 226){
        for(int i = 1; i < n; i++){
            cnt += 1 - use_machine({0, i});
        }
        return cnt;
    }

    vector <int> As = {0};
    vector <int> Bs;
    int unt = 10;
    for(int i = 1; i < unt; i++){
        bool q = use_machine({0,i});
        if(q)
            Bs.push_back(i);
        else
            As.push_back(i);
    }
    cnt += As.size()-1;

    if(As.size() >= Bs.size()){
        for(int i = unt; i + As.size() < n; i+= As.size()){
            vector<int> search;
            for(int j = 0, i2 = i; j < As.size(); j++, i2++){
                search.push_back(i);
                search.push_Back(As[j]);
            }
            int q = use_machine(search);
            cnt +=  As.size()- q/2 + q % 2;
        }
    }
    else{
        for(int i = unt; i + bs.size() < n; i+= bs.size()){
            vector<int> search;
            for(int j = 0, i2 = i; j < bs.size(); j++, i2++){
                search.push_back(i);
                search.push_Back(bs[j]);
            }
            int q = use_machine(search);
            cnt +=  q/2 + q % 2;
        }   
    }
    // B A B A B A
    // B A A A B A B A
    return cnt;
}

컴파일 시 표준 에러 (stderr) 메시지

mushrooms.cpp: In function 'int main()':
mushrooms.cpp:47:40: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   47 |         for(int i = unt; i + As.size() < n; i+= As.size()){
      |                          ~~~~~~~~~~~~~~^~~
mushrooms.cpp:49:38: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   49 |             for(int j = 0, i2 = i; j < As.size(); j++, i2++){
      |                                    ~~^~~~~~~~~~~
mushrooms.cpp:51:24: error: 'class std::vector<int>' has no member named 'push_Back'; did you mean 'push_back'?
   51 |                 search.push_Back(As[j]);
      |                        ^~~~~~~~~
      |                        push_back
mushrooms.cpp:58:30: error: 'bs' was not declared in this scope; did you mean 'Bs'?
   58 |         for(int i = unt; i + bs.size() < n; i+= bs.size()){
      |                              ^~
      |                              Bs
mushrooms.cpp:62:24: error: 'class std::vector<int>' has no member named 'push_Back'; did you mean 'push_back'?
   62 |                 search.push_Back(bs[j]);
      |                        ^~~~~~~~~
      |                        push_back