제출 #956216

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
956216		thunopro	Easter Eggs (info1cup17_eastereggs)	C++14	6 / 100	1 ms	448 KiB

eastereggs

#include<bits/stdc++.h>
using namespace std ;
#define maxn 20009 
#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 
#define TIME (1.0*clock()/CLOCK_PERS_SEC) 

const int mod = 1e9+7 ; 
const int INF = 1e9 ; 

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

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

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 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 ; 
}

mt19937 rng(time(0)) ; 

int query ( vi v ) ; 

int findEgg ( int n , vii bridges ) 
{
	for ( int i = 1 ; i <= n ; i ++ ) 
	{
		vi v ; 
		v . pb (i) ; 
		if ( query(v) == 1 ) return i ; 
	}			
}

컴파일 시 표준 에러 (stderr) 메시지

eastereggs.cpp: In function 'void rf()':
eastereggs.cpp:33:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   33 |  freopen("bai1.inp","r",stdin) ;
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
eastereggs.cpp: In function 'int findEgg(int, vii)':
eastereggs.cpp:56:1: warning: control reaches end of non-void function [-Wreturn-type]
   56 | }
      | ^

• Subtask 1: 6 / 40
• Subtask 2: 0 / 40
• Subtask 3: 0 / 20