이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include<bits/stdc++.h>
using namespace std ;
#define maxn 300009
#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()+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 ( )
{
freopen ("bai1.inp","r",stdin) ;
// freopen ("bai1.out","w",stdout) ;
}
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 n , m ;
int a [maxn] , b [maxn] ;
bool check ( ll mid )
{
ll day = 1ll*n*m ;
for ( int i = 1 ; i <= n ; i ++ )
{
if ( a [i] <= b [i] )
{
day -= (mid+b[i]-1)/b[i] ;
}
else
{
if ( 1ll*m*a[i] >= mid )
{
day -= (mid+a[i]-1)/a[i] ;
}
else
{
day -= m ;
ll remain = mid - 1ll*a[i]*m ;
day -= (remain+b[i]-1)/b[i] ;
}
}
}
return (day>=0) ;
}
int main ( )
{
ios_base :: sync_with_stdio (0) ;
cin.tie(0) ; cout.tie(0) ;
// rf () ;
cin >> n >> m ;
for ( int i = 1 ; i <= n ; i ++ ) cin >> a [i] ;
for ( int i = 1 ; i <= n ; i ++ ) cin >> b [i] ;
ll l = 0 , r = 1e15 ;
ll res = 0 ;
while ( l <= r )
{
ll mid = (l+r)/2 ;
if ( check (mid) ) res = mid , l = mid + 1 ;
else r = mid - 1 ;
}
cout << res ;
}
//-std=c++11
// check special
// range , time , error , stay hard stay hard
// there is no tomorrow
컴파일 시 표준 에러 (stderr) 메시지
Main.cpp: In function 'void rf()':
Main.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) ;
| ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |