| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 1027332 | vjudge1 | Sure Bet (CEOI17_sure) | C++14 | Compilation error | 0 ms | 0 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
Anh Luong
#include<bits/stdc++.h>
#define ll long long int
#define pb push_back
#define yy cout<<"YES"<<endl;
#define nn cout<<"NO"<<endl;
#define ld long double
#define T ll t;cin>>t;while(t--){solve();}
#define funfact for(ll i=1 ; i<=n ; i++){cout<<a[i]<<" ";}
using namespace std;
const ll N=2e5,mod=1e9+7,inf=1e18;
ld a[N],b[N];
ld prea[N],preb[N];
ll n;
//----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------//
bool cmp (ld x,ld y)
{
return x>y;
}
ld f(ll x,ll y)
{
return min(prea[x]-1.0*y,preb[y]-1.0*x);
}
ld bin(ll x)
{
ll l=1,r=n;
ld ans=-1;
if(n == 1) return f(x, 1);
if(n == 2) return max(f(x, 1), f(x, 2));
while (l<=r)
{
ll md=(l+r)/2;
ll fi=md-1,se=md,th=md+1;
if (fi==0)
{
ans=md,l=md+1;
continue;
}
if (th==n+1)
{
ans=md,r=md-1;
//continue;
}
if (f(x,fi)<=f(x,se)&&f(x,se)<=f(x,th))
{
ans=md+1,l=md+1;
}
else if (f(x,fi)>=f(x,se)&&f(x,se)>=f(x,th))
{
ans=md-1,r=md-1;
}
else if (f(x,fi)<=f(x,se)&&f(x,se)>=f(x,th))
{
return f(x,se);
}
}
return f(x,ans);
}
void solve(){
cin>>n;
for (ll i=1;i<=n;i++)
{
cin>>a[i]>>b[i];
a[i]--;
b[i]--;
}
sort(a+1,a+n+1,cmp);
sort(b+1,b+n+1,cmp);
ld ans=0.0;
for (ll i=1;i<=n;i++){
prea[i]+=prea[i-1]+a[i];
preb[i]+=preb[i-1]+b[i];}
for (ll i=n;i>=1;i--)
{
ans=max(ans,bin(i));
}
cout<<fixed<<setprecision(4)<<ans<<endl;
}
int main(){
ios_base::sync_with_stdio(false);
cin.tie(0);
solve();
}
/* This code is created by anhluong
-------Copy code is prohibiited in any form
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
*/
Compilation message (stderr)
sure.cpp:1:1: error: 'Anh' does not name a type
1 | Anh Luong
| ^~~
In file included from /usr/include/c++/10/cmath:43,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
from sure.cpp:2:
/usr/include/c++/10/ext/type_traits.h:162:35: error: 'bool __gnu_cxx::__is_null_pointer' redeclared as different kind of entity
162 | __is_null_pointer(std::nullptr_t)
| ^
/usr/include/c++/10/ext/type_traits.h:157:5: note: previous declaration 'template<class _Type> bool __gnu_cxx::__is_null_pointer(_Type)'
157 | __is_null_pointer(_Type)
| ^~~~~~~~~~~~~~~~~
/usr/include/c++/10/ext/type_traits.h:162:26: error: 'nullptr_t' is not a member of 'std'
162 | __is_null_pointer(std::nullptr_t)
| ^~~~~~~~~
In file included from /usr/include/c++/10/bits/exception_ptr.h:40,
from /usr/include/c++/10/exception:147,
from /usr/include/c++/10/ios:39,
from /usr/include/c++/10/istream:38,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from sure.cpp:2:
/usr/include/c++/10/new:126:26: error: declaration of 'operator new' as non-function
126 | _GLIBCXX_NODISCARD void* operator new(std::size_t) _GLIBCXX_THROW (std::bad_alloc)
| ^~~~~~~~
/usr/include/c++/10/new:126:44: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
126 | _GLIBCXX_NODISCARD void* operator new(std::size_t) _GLIBCXX_THROW (std::bad_alloc)
| ^~~~~~
In file included from /usr/include/stdlib.h:31,
from /usr/include/c++/10/bits/std_abs.h:38,
from /usr/include/c++/10/cmath:47,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
from sure.cpp:2:
/usr/lib/gcc/x86_64-linux-gnu/10/include/stddef.h:209:23: note: 'size_t' declared here
209 | typedef __SIZE_TYPE__ size_t;
| ^~~~~~
In file included from /usr/include/c++/10/bits/exception_ptr.h:40,
from /usr/include/c++/10/exception:147,
from /usr/include/c++/10/ios:39,
from /usr/include/c++/10/istream:38,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from sure.cpp:2:
/usr/include/c++/10/new:127:41: error: attributes after parenthesized initializer ignored [-fpermissive]
127 | __attribute__((__externally_visible__));
| ^
/usr/include/c++/10/new:128:26: error: declaration of 'operator new []' as non-function
128 | _GLIBCXX_NODISCARD void* operator new[](std::size_t) _GLIBCXX_THROW (std::bad_alloc)
| ^~~~~~~~
/usr/include/c++/10/new:128:46: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
128 | _GLIBCXX_NODISCARD void* operator new[](std::size_t) _GLIBCXX_THROW (std::bad_alloc)
| ^~~~~~
In file included from /usr/include/stdlib.h:31,
from /usr/include/c++/10/bits/std_abs.h:38,
from /usr/include/c++/10/cmath:47,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
from sure.cpp:2:
/usr/lib/gcc/x86_64-linux-gnu/10/include/stddef.h:209:23: note: 'size_t' declared here
209 | typedef __SIZE_TYPE__ size_t;
| ^~~~~~
In file included from /usr/include/c++/10/bits/exception_ptr.h:40,
from /usr/include/c++/10/exception:147,
from /usr/include/c++/10/ios:39,
from /usr/include/c++/10/istream:38,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from sure.cpp:2:
/usr/include/c++/10/new:129:41: error: attributes after parenthesized initializer ignored [-fpermissive]
129 | __attribute__((__externally_visible__));
| ^
/usr/include/c++/10/new:135:34: error: 'std::size_t' has not been declared
135 | void operator delete(void*, std::size_t) _GLIBCXX_USE_NOEXCEPT
| ^~~~~~
/usr/include/c++/10/new:137:36: error: 'std::size_t' has not been declared
137 | void operator delete[](void*, std::size_t) _GLIBCXX_USE_NOEXCEPT
| ^~~~~~
/usr/include/c++/10/new:140:26: error: declaration of 'operator new' as non-function
140 | _GLIBCXX_NODISCARD void* operator new(std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
| ^~~~~~~~
/usr/include/c++/10/new:140:44: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
140 | _GLIBCXX_NODISCARD void* operator new(std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
| ^~~~~~
In file included from /usr/include/stdlib.h:31,
from /usr/include/c++/10/bits/std_abs.h:38,
from /usr/include/c++/10/cmath:47,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
from sure.cpp:2:
/usr/lib/gcc/x86_64-linux-gnu/10/include/stddef.h:209:23: note: 'size_t' declared here
209 | typedef __SIZE_TYPE__ size_t;
| ^~~~~~
In file included from /usr/include/c++/10/bits/exception_ptr.h:40,
from /usr/include/c++/10/exception:147,
from /usr/include/c++/10/ios:39,
from /usr/include/c++/10/istream:38,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from sure.cpp:2:
/usr/include/c++/10/new:140:52: error: expected primary-expression before 'const'
140 | _GLIBCXX_NODISCARD void* operator new(std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
| ^~~~~
/usr/include/c++/10/new:142:26: error: declaration of 'operator new []' as non-function
142 | _GLIBCXX_NODISCARD void* operator new[](std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
| ^~~~~~~~
/usr/include/c++/10/new:142:46: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
142 | _GLIBCXX_NODISCARD void* operator new[](std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
| ^~~~~~
In file included from /usr/include/stdlib.h:31,
from /usr/include/c++/10/bits/std_abs.h:38,
from /usr/include/c++/10/cmath:47,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
from sure.cpp:2:
/usr/lib/gcc/x86_64-linux-gnu/10/include/stddef.h:209:23: note: 'size_t' declared here
209 | typedef __SIZE_TYPE__ size_t;
| ^~~~~~
In file included from /usr/include/c++/10/bits/exception_ptr.h:40,
from /usr/include/c++/10/exception:147,
from /usr/include/c++/10/ios:39,
from /usr/include/c++/10/istream:38,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from sure.cpp:2:
/usr/include/c++/10/new:142:54: error: expected primary-expression before 'const'
142 | _GLIBCXX_NODISCARD void* operator new[](std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
| ^~~~~
/usr/include/c++/10/new:174:33: error: declaration of 'operator new' as non-function
174 | _GLIBCXX_NODISCARD inline void* operator new(std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT
| ^~~~~~~~
/usr/include/c++/10/new:174:51: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
174 | _GLIBCXX_NODISCARD inline void* operator new(std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT
| ^~~~~~
In file included from /usr/include/stdlib.h:31,
from /usr/include/c++/10/bits/std_abs.h:38,
from /usr/include/c++/10/cmath:47,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
from sure.cpp:2:
/usr/lib/gcc/x86_64-linux-gnu/10/include/stddef.h:209:23: note: 'size_t' declared here
209 | typedef __SIZE_TYPE__ size_t;
| ^~~~~~
In file included from /usr/include/c++/10/bits/exception_ptr.h:40,
from /usr/include/c++/10/exception:147,
from /usr/include/c++/10/ios:39,
from /usr/include/c++/10/istream:38,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from sure.cpp:2:
/usr/include/c++/10/new:174:59: error: expected primary-expression before 'void'
174 | _GLIBCXX_NODISCARD inline void* operator new(std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT
| ^~~~
/usr/include/c++/10/new:176:33: error: declaration of 'operator new []' as non-function
176 | _GLIBCXX_NODISCARD inline void* operator new[](std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT
| ^~~~~~~~
/usr/include/c++/10/new:176:53: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
176 | _GLIBCXX_NODISCARD inline void* operator new[](std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT
| ^~~~~~
In file included from /usr/include/stdlib.h:31,
from /usr/include/c++/10/bits/std_abs.h:38,
from /usr/include/c++/10/cmath:47,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
from sure.cpp:2:
/usr/lib/gcc/x86_64-linux-gnu/10/include/stddef.h:209:23: note: 'size_t' declared here
209 | typedef __SIZE_TYPE__ size_t;
| ^~~~~~
In file included from /usr/include/c++/10/bits/exception_ptr.h:40,
from /usr/include/c++/10/exception:147,
from /usr/include/c++/10/ios:39,
from /usr/include/c++/10/istream:38,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from sure.cpp:2:
/usr/include/c++/10/new:176:61: error: expected primary-expression before 'void'
176 | _GLIBCXX_NODISCARD inline void* operator new[](std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT
| ^~~~
In file included from /usr/include/c++/10/bits/move.h:57,
from /usr/include/c++/10/bits/nested_exception.h:40,
from /usr/include/c++/10/exception:148,
from /usr/include/c++/10/ios:39,
from /usr/include/c++/10/istream:38,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from sure.cpp:2:
/usr/include/c++/10/type_traits:402:31: error: 'std::size_t' has not been declared
402 | template<typename _Tp, std::size_t _Size>
| ^~~~~~
/usr/include/c++/10/type_traits:403:25: error: '_Size' was not declared in this scope
403 | struct is_array<_Tp[_Size]>
| ^~~~~
/usr/include/c++/10/type_traits:403:31: error: template argument 1 is invalid
403 | struct is_array<_Tp[_Size]>
| ^
/usr/include/c++/10/type_traits:508:42: error: 'nullptr_t' is not a member of 'std'; did you mean 'nullptr_t'?
508 | struct __is_null_pointer_helper<std::nullptr_t>
| ^~~~~~~~~
In file included from /usr/include/c++/10/cstddef:50,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:45,
from sure.cpp:2:
/usr/lib/gcc/x86_64-linux-gnu/10/include/stddef.h:433:29: note: 'nullptr_t' declared here
433 | typedef decltype(nullptr) nullptr_t;
| ^~~~~~~~~
In file included from /usr/include/c++/10/bits/move.h:57,
from /usr/include/c++/10/bits/nested_exception.h:40,
from /usr/include/c++/10/exception:148,
from /usr/include/c++/10/ios:39,
from /usr/include/c++/10/istream:38,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from sure.cpp:2:
/usr/include/c++/10/type_traits:508:42: error: 'nullptr_t' is not a member of 'std'; did you mean 'nullptr_t'?
508 | struct __is_null_pointer_helper<std::nullptr_t>
| ^~~~~~~~~
In file included from /usr/include/c++/10/cstddef:50,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:45,
from sure.cpp:2:
/usr/lib/gcc/x86_64-linux-gnu/10/include/stddef.h:433:29: note: 'nullptr_t' declared here
433 | typedef decltype(nullptr) nullptr_t;
| ^~~~~~~~~
In file included from /usr/include/c++/10/bits/move.h:57,
from /usr/include/c++/10/bits/nested_exception.h:40,
from /usr/include/c++/10/exception:148,
from /usr/include/c++/10/ios:39,
from /usr/include/c++/10/istream:38,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from sure.cpp:2:
/usr/include/c++/10/type_traits:508:51: error: template argument 1 is invalid
508 | struct __is_null_pointer_helper<std::nullptr_t>
| ^
/usr/include/c++/10/type_traits:1351:37: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
1351 | : public integral_constant<std::size_t, alignof(_Tp)>
| ^~~~~~
In file included from /usr/include/stdlib.h:31,
from /usr/include/c++/10/bits/std_abs.h:38,
from /usr/include/c++/10/cmath:47,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
from sure.cpp:2:
/usr/lib/gcc/x86_64-linux-gnu/10/include/stddef.h:209:23: note: 'size_t' declared here
209 | typedef __SIZE_TYPE__ size_t;
| ^~~~~~
In file included from /usr/include/c++/10/bits/move.h:57,
from /usr/include/c++/10/bits/nested_exception.h:40,
from /usr/include/c++/10/exception:148,
from /usr/include/c++/10/ios:39,
from /usr/include/c++/10/istream:38,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from sure.cpp:2:
/usr/include/c++/10/type_traits:1351:37: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
1351 | : public integral_constant<std::size_t, alignof(_Tp)>
| ^~~~~~
In file included from /usr/include/stdlib.h:31,
from /usr/include/c++/10/bits/std_abs.h:38,
from /usr/include/c++/10/cmath:47,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
from sure.cpp:2:
/usr/lib/gcc/x86_64-linux-gnu/10/include/stddef.h:209:23: note: 'size_t' declared here
209 | typedef __SIZE_TYPE__ size_t;
| ^~~~~~
In file included from /usr/include/c++/10/bits/move.h:57,
from /usr/include/c++/10/bits/nested_exception.h:40,
from /usr/include/c++/10/exception:148,
from /usr/include/c++/10/ios:39,
from /usr/include/c++/10/istream:38,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from sure.cpp:2:
/usr/include/c++/10/type_traits:1351:57: error: template argument 1 is invalid
1351 | : public integral_constant<std::size_t, alignof(_Tp)>
| ^
/usr/include/c++/10/type_traits:1351:57: note: invalid template non-type parameter
/usr/include/c++/10/type_traits:1360:37: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
1360 | : public integral_constant<std::size_t, 0> { };
| ^~~~~~
In file included from /usr/include/stdlib.h:31,
from /usr/include/c++/10/bits/std_abs.h:38,
from /usr/include/c++/10/cmath:47,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
from sure.cpp:2:
/usr/lib/gcc/x86_64-linux-gnu/10/include/stddef.h:209:23: note: 'size_t' declared here
209 | typedef __SIZE_TYPE__ size_t;
| ^~~~~~
In file included from /usr/include/c++/10/bits/move.h:57,
from /usr/include/c++/10/bits/nested_exception.h:40,
from /usr/include/c++/10/exception:148,
from /usr/include/c++/10/ios:39,
from /usr/include/c++/10/istream:38,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from /var/local/lib/isolate/3