제출 #942635

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
942635	2024-03-11 02:12:32	thunopro	Sum Zero (RMI20_sumzero)	C++14	22 / 100	3 ms	1884 KiB

sumzero

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#include<bits/stdc++.h>
using namespace std ; 
#define maxn 10009 
#define ll long long 
#define fi first 
#define se second 
#define pb push_back 
#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()
#define TIME 1.0*clock()/CLOCKS_PER_SEC
const int mod = 1e9+7; 
const int INF = 1e9; 
typedef vector<int> vi; 
typedef pair<int,int> pii;
typedef vector<pii> vii;  
typedef vector<ll> vl;
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 ; }
 
 
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컴파일 시 표준 에러 (stderr) 메시지

sumzero.cpp: In function 'void rf()':
sumzero.cpp:42:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   42 |  freopen ("bai1.inp","r",stdin) ;
      |  ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~

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