제출 #121356

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
121356		MKopchev	자동 인형 (IOI18_doll)	C++14	47 / 100	141 ms	9936 KiB

doll

#include "doll.h"
#include<bits/stdc++.h>
using namespace std;
/*
void answer(vector<int> C,vector<int> x,vector<int> y)
{
    cout<<"C: ";for(auto k:C)cout<<k<<" ";cout<<endl;
    int SZ=x.size();
    cout<<"switches "<<endl;
    for(int i=0;i<SZ;i++)
    {
        cout<<x[i]<<" "<<y[i]<<endl;
    }
    cout<<"---"<<endl;
    //exit(0);
}
*/
vector<int> x,y;

vector<int> order;

bool state[1'000'000];

int open;

void solve(int run,int where)
{
    //cout<<"solve "<<run<<" "<<where<<endl;
    where=-where;
    if(where>=open/2)
    {
        if(run<order.size())
        {
            if(state[where-1]==0)
            {
                x[where-1]=order[run];
                state[where-1]=!state[where-1];
            }
            else
            {
                y[where-1]=order[run];
                state[where-1]=!state[where-1];
            }
            return;
        }

        if(run==open-1)
        {
            y[where-1]=0;
            return;
        }

        state[where-1]=!state[where-1];
        return;
    }

    if(state[where-1]==0)
    {
        state[where-1]=1;
        solve(run,x[where-1]);
    }
    else
    {
        state[where-1]=0;
        solve(run,y[where-1]);
    }
}
void create_circuit(int M, vector<int> A)
{
    vector<int> C={};
    for(int i=0;i<=M;i++)
        C.push_back(-1);

    C[0]=A[0];

    A.erase(A.begin(),A.begin()+1);

    open=2;
    while(open<=A.size())open=open*2;

    for(int i=1;i<open;i++)
    {
        x.push_back(-1);
        y.push_back(-1);
    }
    for(int i=1;i<open/2;i++)
    {
        x[i-1]=-(2*i);
        y[i-1]=-(2*i+1);
    }
    order=A;

    //answer(C,x,y);

    for(int i=0;i<open;i++)
        solve(i,-1);

    answer(C,x,y);
}
/*
int main()
{
    create_circuit(4, {1, 2, 1,3});
}
*/

컴파일 시 표준 에러 (stderr) 메시지

doll.cpp: In function 'void solve(int, int)':
doll.cpp:32:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   32 |         if(run<order.size())
      |            ~~~^~~~~~~~~~~~~
doll.cpp: In function 'void create_circuit(int, std::vector<int>)':
doll.cpp:79:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   79 |     while(open<=A.size())open=open*2;
      |           ~~~~^~~~~~~~~~

• Subtask 1: 0 / 2
• Subtask 2: 0 / 4
• Subtask 3: 0 / 10
• Subtask 4: 10 / 10
• Subtask 5: 9.0000000036 / 18
• Subtask 6: 28.0000000112 / 56