제출 #1165562

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1165562		abcdxyz123	도서관 (JOI18_library)	C++20	컴파일 에러	0 ms	0 KiB

library

#include"library.h"
#include<bits/stdc++.h>
#define maxn 1005
#define pi pair<int,int>
#define fi first
#define se second
using namespace std;
int n;
int a[maxn];
int nho[maxn];
//int Query(const std::vector<int>& M){}
//void Answer(const std::vector<int>& res){}
int FindA1()
{
    vector<int>mask;
    for(int i=1;i<=n;i++)
    {
        mask.push_back(1);
    }
    for(int i=1;i<=n;i++)
    {
        mask[i-1]=0;
        if(Query(mask)==1)return i;
        mask[i-1]=1;
    }
    assert(false);
}


int Adj(int lim,int x)
{
    vector<int>mask;
    for(int i=1;i<=lim;i++)
    {
        mask.push_back(1);
    }
    for(int i=lim+1;i<=n;i++)
    {
        mask.push_back(0);
    }
    int tmp=Query(mask);
    mask[x-1]=1;
    return Query(mask)-tmp;
}
int FindAdjSecond(int x,int lo,int hi)
{
    while(hi-lo>1)
    {
        int mid=(lo+hi)/2;
        if(Adj(mid,x)==2)
        {
            hi=mid;
        }
        else
        {
            lo=mid;
        }
    }
    return hi;
}
int FindAdjFirst(int x,int lo,int hi)
{
    if(ask(lo,x)==1)return lo;
    while(hi-lo>1)
    {
        int mid=(lo+hi)/2;
        if(ask(mid)==1)
        {
            hi=mid;
        }
        else
        {
            lo=mid;
        }
    }
    return hi;
}
void Solve(int N)
{
    n=N;
    a[1]=FindA1();
    a[2]=FindAdjFirst(a[1]);
    for(int i=3;i<n;i++)
    {
        int L=FindAdjSecond(a[i-1],1,n);
        int R=FindAdjSecond(a[i-1],1,L-1);
        if(a[i-2]==L)a[i]=R;
        else a[i]=L;
    }
    for(int i=1;i<n;i++)
    {
        nho[a[i]]=1;
    }
    for(int i=1;i<=n;i++)
    {
        if(nho[a[i]]==0)
        {
            a[n]=i;
            break;
        }
    }
    vector<int>ans;
    for(int i=1;i<=n;i++)
    {
        ans.push_back(a[i]);
    }
    Answer(ans);
}

컴파일 시 표준 에러 (stderr) 메시지

library.cpp: In function 'int FindAdjFirst(int, int, int)':
library.cpp:63:8: error: 'ask' was not declared in this scope
   63 |     if(ask(lo,x)==1)return lo;
      |        ^~~
library.cpp:67:12: error: 'ask' was not declared in this scope
   67 |         if(ask(mid)==1)
      |            ^~~
library.cpp: In function 'void Solve(int)':
library.cpp:82:22: error: too few arguments to function 'int FindAdjFirst(int, int, int)'
   82 |     a[2]=FindAdjFirst(a[1]);
      |          ~~~~~~~~~~~~^~~~~~
library.cpp:61:5: note: declared here
   61 | int FindAdjFirst(int x,int lo,int hi)
      |     ^~~~~~~~~~~~