제출 #581831

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
581831		Abdulmohsen1284	도서관 (JOI18_library)	C++14	0 / 100	86 ms	312 KiB

library

#include"bits/stdc++.h"
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
template<class x>
using ordered_set = tree<x, null_type,less<x>, rb_tree_tag,tree_order_statistics_node_update>;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

//---------------------------------------------------------------------------------------

#include <cstdio>
#include <vector>
#include "library.h"
using namespace std;
long long s=0;
vector <int> em;
void rec(long long cur,vector <int> grp)
{
    
    long long fr=Query(grp);
    grp[cur-1]=1;
    if(fr==Query(grp))
    {
        long long sum=0;
        grp[cur-1]=0;
        for(int i=0;i<grp.size();i++)
        {
            if(grp[i]==1)
                sum++;
        }
        if(sum==1)
        {
            for(int i=0;i<grp.size();i++)
            {
            if(grp[i]==1)
                s=i+1;
            }
            
            return;
        }
        vector <int> on=em,tw=em;
        long long took=0;
        for(int i=0;took<sum/2;i++)
        {
            if(grp[i]==1)
            {
                took++;
                on[i]=grp[i];
            }
        }
        for(int i=0;i<grp.size();i++)
        {
            if((grp[i]^on[i])==1)
                tw[i]=1;
        }
        
        rec(cur,on);
        rec(cur,tw);
    }
    else
        return;
}

void Solve(int N)
{
    for(int i=1;i<=N;i++)
        em.push_back(0);
    for(int i=1;i<=N;i++)
    {
        vector <int> ask=em;
        for(int j=1;j<=N;j++)
        {
            if(i==j)
                continue;
            ask[j-1]=1;
        }
        long long ans=Query(ask);
        if(ans==1)
        {
            s=i;
            break;
        }
    }
    vector <int> ret,lef=em;
    ret.push_back(s);
    for(int i=1;i<=N;i++)
    {
        if(s==i)
            continue;
        lef[i-1]=1;
    }
    for(int i=1;i<N;i++)
    {
        rec(s,lef);
        ret.push_back(s);
        lef[s-1]=0;
    }
    
    Answer(ret);
}

컴파일 시 표준 에러 (stderr) 메시지

library.cpp: In function 'void rec(long long int, std::vector<int>)':
library.cpp:27:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |         for(int i=0;i<grp.size();i++)
      |                     ~^~~~~~~~~~~
library.cpp:34:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |             for(int i=0;i<grp.size();i++)
      |                         ~^~~~~~~~~~~
library.cpp:52:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   52 |         for(int i=0;i<grp.size();i++)
      |                     ~^~~~~~~~~~~

• Subtask 1: 0 / 19
• Subtask 2: 0 / 81