Submission #887924

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
887924	2023-12-15 13:44:40	thunopro	Arranging Shoes (IOI19_shoes)	C++14	45 / 100	29 ms	12624 KiB

shoes

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#include<bits/stdc++.h>
using namespace std ;
#define maxn 200009 
#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); 
const int mod = 1e9+7 ; 
const int INF = 1e9 ; 
const int LOG = 18 ; 
typedef vector<int> vi ; 
typedef pair<int,int> pii ; 
typedef vector<pii> vii ; 
typedef pair<ll,ll> pll ;  
void add ( int &a , int b ) 
{
  a += b ; 
  if ( a < 0 ) a += mod ; 
  if ( a >= mod ) a -= mod ; 
}
template < typename T > void chkmin (int &a , int b) { if (a>b) a=b ;} 
template < typename T > void chkmax (int &a , int b) { if (a<b) a=b ;}
 
 
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Compilation message (stderr)

shoes.cpp: In function 'void rf()':
shoes.cpp:33:10: 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) ;
      |  ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 0 / 20
• Subtask 3: 20 / 20
• Subtask 4: 15 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 15