답안 #933393

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
933393 2024-02-25T15:40:15 Z thunopro 도서관 (JOI18_library) C++14
컴파일 오류
0 ms 0 KB
#include<bits/stdc++.h>
using namespace std ; 
#define maxn 200009
#define ll long long 
#define pb push_back 
#define fi first 
#define se second 
#define left id<<1
#define right id<<1|1 
#define re exit(0); 
#define _lower(x) lower_bound(v.begin(),v.end(),x)-v.begin()+1
const int mod = 1e9+7 ;
const int INF = 1e9 ; 

typedef vector<int> vi ; 
typedef pair<int,int> pii ; 
typedef vector<pii> vii ; 

template < typename T > void chkmin ( T &a , T b ) { if ( a > b ) a = b ; } 
template < typename T > void chkmax ( T &a , T b ) { if ( a < b ) a = b ; } 

void add ( int &a , int b ) 
{
	a += b ; 
	if ( a >= mod ) a -= mod ; 
	if ( a < 0 ) a += mod ; 
}

void rf () 
{
	freopen ("bai1.inp","r",stdin) ;
}

int _pow ( int a , int n ) 
{
	if ( n == 0 ) return 1 ; 
	int res = _pow (a,n/2) ; 
	if ( n % 2 ) return 1ll*res*res%mod*a%mod ; 
	else return 1ll*res*res%mod ; 
}

//int main () 
//{
//	ios_base::sync_with_stdio(0); 
//	cin.tie(0);cout.tie(0); 
////	rf () ; 
//}

#include "library.h" 

int n ; 
vi adjList [maxn] ; 

void Solve ( int N ) 
{
	n = N ; 
	for ( int i = 0 ; i < n ; i ++ ) adjList [i] . clear () ; 
	for ( int i = 0 ; i < n ; i ++ ) 
	{
		for ( int j = i+1 ; j < n ; j ++ ) 
		{
			vi M ; 
			for ( int r = 0 ; r < n ; r ++ ) 
			{
				if ( r == i || r == j ) M . pb (1) ; 
				else M . pb (0) ;
			}
			if ( query (M) == 1 ) adjList [i] . pb (j) , adjList [j] . pb (i) ; 
		}
	}	
	vi res ; 
	set<int> S ; 
	for ( int i = 0 ; i < n ; i ++ )
	{
		if ( adjList[i].size() == 1 ) 
		{
			S.insert(i) ; 
			res . pb (i) ; break ; 
		}
	}
	for ( int i = 1 ; i < n ; i ++ ) 
	{
		int x = res.back() ; 
		for ( auto y : adjList [x] ) 
		{
			if ( !S.count(y) ) res . pb (y) , S.insert(y) ; 
		}
	}
	for ( auto &x : res ) x ++ ; 
	Answer(res) ; 
}

Compilation message

library.cpp: In function 'void Solve(int)':
library.cpp:68:9: error: 'query' was not declared in this scope; did you mean 'Query'?
   68 |    if ( query (M) == 1 ) adjList [i] . pb (j) , adjList [j] . pb (i) ;
      |         ^~~~~
      |         Query
library.cpp: In function 'void rf()':
library.cpp:31:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   31 |  freopen ("bai1.inp","r",stdin) ;
      |  ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~