제출 #890536

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
890536	2023-12-21 12:15:21	thunopro	Tracks in the Snow (BOI13_tracks)	C++14	89.06 / 100	2085 ms	187656 KiB

tracks

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#include<bits/stdc++.h>
using namespace std ; 
#define maxn 4009 
#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(v,x) lower_bound(v.begin(),v.end(),x)-v.begin()+1
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 vector<ll> vl ;  
typedef pair<ll,ll> pll ; 
typedef vector<pll> vll ; 
void add ( int&a , int b ) { if ((a+=b) > mod ) a -= mod ; } 
void sub ( int&a , int b ) { if ((a-=b) < 0 ) a += mod ; } 
template<typename T> void chkmin(T& x, T y) {if(x > y) x = y;}
template<typename T> void chkmax(T& x, T y) {if(x < y) x = y;}
void rf ( ) 
{
 
 
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컴파일 시 표준 에러 (stderr) 메시지

tracks.cpp: In function 'void rf()':
tracks.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) ;
      |  ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 30 / 30
• Subtask 2: 59.0625 / 70