| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 231373 | farmerboy | Triangles (CEOI18_tri) | 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.
Author: Nguyen Tan Bao
Status:
Idea:
*/
#include <bits/stdc++.h>
#include "trilib.h"
#define FI first
#define SE second
#define EPS 1e-9
#define ALL(a) a.begin(),a.end()
#define SZ(a) int((a).size())
#define MS(s, n) memset(s, n, sizeof(s))
#define FOR(i,a,b) for (int i = (a); i <= (b); i++)
#define FORE(i,a,b) for (int i = (a); i >= (b); i--)
#define FORALL(it, a) for (__typeof((a).begin()) it = (a).begin(); it != (a).end(); it++)
//__builtin_ffs(x) return 1 + index of least significant 1-bit of x
//__builtin_clz(x) return number of leading zeros of x
//__builtin_ctz(x) return number of trailing zeros of x
using namespace std;
using ll = long long;
using ld = double;
typedef pair<int, int> II;
typedef pair<II, int> III;
typedef complex<ld> cd;
typedef vector<cd> vcd;
const ll MODBASE = 1000000007LL;
const int MAXN = 110;
const int MAXM = 1000;
const int MAXK = 16;
const int MAXQ = 200010;
int n;
vector<int> lef, rig, cmb, convexHull;
bool cmp(int a, int b) {
return is_clockwise(n,a,b);
}
int main() {
ios::sync_with_stdio(0);
cin.tie(nullptr);
n = get_n();
FOR(i,2,n-1)
if (is_clockwise(n,i,1)) lef.push_back(i);
else rig.push_back(i);
sort(ALL(lef), cmp);
sort(ALL(rig), cmp);
cmb.push_back(n);
for (int x : lef) cmb.push_back(x);
cmb.push_back(1);
for (int x : rig) cmb.push_back(x);
convexHull.push_back(cmb[0]);
convexHull.push_back(cmb[1]);
FOR(i,2,SZ(cmb)-1) {
if (SZ(convexHull) >= 2 && !is_clockwise(convexHull[SZ(convexHull)-2], convexHull[SZ(convexHull)-1], cmb[i])) convexHull.pop_back();
convexHull.push_back(cmb[i]);
}
int la = SZ(convexHull)-1;
int fi = 0;
while (la - fi + 1 >= 3) {
if (!is_clockwise(convexHull[la], convexHull[fi], convexHull[fi+1])) fi++;
else if (!is_clockwise(convexHull[la-1], convexHull[la], convexHull[fi])) la--;
else break;
}
give_answer(max(3, la-fi+1));
return 0;
}
Compilation message (stderr)
tri.cpp:2:11: error: found ':' in nested-name-specifier, expected '::'
Author: Nguyen Tan Bao
^
tri.cpp:2:5: error: 'Author' does not name a type; did you mean 'auto'?
Author: Nguyen Tan Bao
^~~~~~
auto
In file included from /usr/include/c++/7/cmath:43:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:41,
from tri.cpp:7:
/usr/include/c++/7/ext/type_traits.h:162:35: error: 'bool __gnu_cxx::__is_null_pointer' redeclared as different kind of symbol
__is_null_pointer(std::nullptr_t)
^
/usr/include/c++/7/ext/type_traits.h:157:5: note: previous declaration 'template<class _Type> bool __gnu_cxx::__is_null_pointer(_Type)'
__is_null_pointer(_Type)
^~~~~~~~~~~~~~~~~
/usr/include/c++/7/ext/type_traits.h:162:26: error: 'nullptr_t' is not a member of 'std'
__is_null_pointer(std::nullptr_t)
^~~~~~~~~
In file included from /usr/include/c++/7/bits/exception_ptr.h:40:0,
from /usr/include/c++/7/exception:142,
from /usr/include/c++/7/ios:39,
from /usr/include/c++/7/istream:38,
from /usr/include/c++/7/sstream:38,
from /usr/include/c++/7/complex:45,
from /usr/include/c++/7/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
from tri.cpp:7:
/usr/include/c++/7/new:120:31: error: declaration of 'operator new' as non-function
void* operator new(std::size_t) _GLIBCXX_THROW (std::bad_alloc)
^
/usr/include/c++/7/new:120:25: error: 'size_t' is not a member of 'std'
void* operator new(std::size_t) _GLIBCXX_THROW (std::bad_alloc)
^~~~~~
/usr/include/c++/7/new:120:25: note: suggested alternative:
In file included from /usr/include/stdlib.h:32:0,
from /usr/include/c++/7/bits/std_abs.h:38,
from /usr/include/c++/7/cmath:47,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:41,
from tri.cpp:7:
/usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h:216:23: note: 'size_t'
typedef __SIZE_TYPE__ size_t;
^~~~~~
In file included from /usr/include/c++/7/bits/exception_ptr.h:40:0,
from /usr/include/c++/7/exception:142,
from /usr/include/c++/7/ios:39,
from /usr/include/c++/7/istream:38,
from /usr/include/c++/7/sstream:38,
from /usr/include/c++/7/complex:45,
from /usr/include/c++/7/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
from tri.cpp:7:
/usr/include/c++/7/new:122:33: error: declaration of 'operator new []' as non-function
void* operator new[](std::size_t) _GLIBCXX_THROW (std::bad_alloc)
^
/usr/include/c++/7/new:122:27: error: 'size_t' is not a member of 'std'
void* operator new[](std::size_t) _GLIBCXX_THROW (std::bad_alloc)
^~~~~~
/usr/include/c++/7/new:122:27: note: suggested alternative:
In file included from /usr/include/stdlib.h:32:0,
from /usr/include/c++/7/bits/std_abs.h:38,
from /usr/include/c++/7/cmath:47,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:41,
from tri.cpp:7:
/usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h:216:23: note: 'size_t'
typedef __SIZE_TYPE__ size_t;
^~~~~~
In file included from /usr/include/c++/7/bits/exception_ptr.h:40:0,
from /usr/include/c++/7/exception:142,
from /usr/include/c++/7/ios:39,
from /usr/include/c++/7/istream:38,
from /usr/include/c++/7/sstream:38,
from /usr/include/c++/7/complex:45,
from /usr/include/c++/7/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
from tri.cpp:7:
/usr/include/c++/7/new:129:34: error: 'std::size_t' has not been declared
void operator delete(void*, std::size_t) _GLIBCXX_USE_NOEXCEPT
^~~~~~
/usr/include/c++/7/new:131:36: error: 'std::size_t' has not been declared
void operator delete[](void*, std::size_t) _GLIBCXX_USE_NOEXCEPT
^~~~~~
/usr/include/c++/7/new:134:25: error: declaration of 'operator new' as non-function
void* operator new(std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
^~~~~~
/usr/include/c++/7/new:134:25: error: 'size_t' is not a member of 'std'
/usr/include/c++/7/new:134:25: note: suggested alternative:
In file included from /usr/include/stdlib.h:32:0,
from /usr/include/c++/7/bits/std_abs.h:38,
from /usr/include/c++/7/cmath:47,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:41,
from tri.cpp:7:
/usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h:216:23: note: 'size_t'
typedef __SIZE_TYPE__ size_t;
^~~~~~
In file included from /usr/include/c++/7/bits/exception_ptr.h:40:0,
from /usr/include/c++/7/exception:142,
from /usr/include/c++/7/ios:39,
from /usr/include/c++/7/istream:38,
from /usr/include/c++/7/sstream:38,
from /usr/include/c++/7/complex:45,
from /usr/include/c++/7/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
from tri.cpp:7:
/usr/include/c++/7/new:134:33: error: expected primary-expression before 'const'
void* operator new(std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
^~~~~
/usr/include/c++/7/new:136:27: error: declaration of 'operator new []' as non-function
void* operator new[](std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
^~~~~~
/usr/include/c++/7/new:136:27: error: 'size_t' is not a member of 'std'
/usr/include/c++/7/new:136:27: note: suggested alternative:
In file included from /usr/include/stdlib.h:32:0,
from /usr/include/c++/7/bits/std_abs.h:38,
from /usr/include/c++/7/cmath:47,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:41,
from tri.cpp:7:
/usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h:216:23: note: 'size_t'
typedef __SIZE_TYPE__ size_t;
^~~~~~
In file included from /usr/include/c++/7/bits/exception_ptr.h:40:0,
from /usr/include/c++/7/exception:142,
from /usr/include/c++/7/ios:39,
from /usr/include/c++/7/istream:38,
from /usr/include/c++/7/sstream:38,
from /usr/include/c++/7/complex:45,
from /usr/include/c++/7/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
from tri.cpp:7:
/usr/include/c++/7/new:136:35: error: expected primary-expression before 'const'
void* operator new[](std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
^~~~~
/usr/include/c++/7/new:168:32: error: declaration of 'operator new' as non-function
inline void* operator new(std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT
^~~~~~
/usr/include/c++/7/new:168:32: error: 'size_t' is not a member of 'std'
/usr/include/c++/7/new:168:32: note: suggested alternative:
In file included from /usr/include/stdlib.h:32:0,
from /usr/include/c++/7/bits/std_abs.h:38,
from /usr/include/c++/7/cmath:47,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:41,
from tri.cpp:7:
/usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h:216:23: note: 'size_t'
typedef __SIZE_TYPE__ size_t;
^~~~~~
In file included from /usr/include/c++/7/bits/exception_ptr.h:40:0,
from /usr/include/c++/7/exception:142,
from /usr/include/c++/7/ios:39,
from /usr/include/c++/7/istream:38,
from /usr/include/c++/7/sstream:38,
from /usr/include/c++/7/complex:45,
from /usr/include/c++/7/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
from tri.cpp:7:
/usr/include/c++/7/new:168:40: error: expected primary-expression before 'void'
inline void* operator new(std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT
^~~~
/usr/include/c++/7/new:170:34: error: declaration of 'operator new []' as non-function
inline void* operator new[](std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT
^~~~~~
/usr/include/c++/7/new:170:34: error: 'size_t' is not a member of 'std'
/usr/include/c++/7/new:170:34: note: suggested alternative:
In file included from /usr/include/stdlib.h:32:0,
from /usr/include/c++/7/bits/std_abs.h:38,
from /usr/include/c++/7/cmath:47,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:41,
from tri.cpp:7:
/usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h:216:23: note: 'size_t'
typedef __SIZE_TYPE__ size_t;
^~~~~~
In file included from /usr/include/c++/7/bits/exception_ptr.h:40:0,
from /usr/include/c++/7/exception:142,
from /usr/include/c++/7/ios:39,
from /usr/include/c++/7/istream:38,
from /usr/include/c++/7/sstream:38,
from /usr/include/c++/7/complex:45,
from /usr/include/c++/7/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
from tri.cpp:7:
/usr/include/c++/7/new:170:42: error: expected primary-expression before 'void'
inline void* operator new[](std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT
^~~~
In file included from /usr/include/c++/7/bits/move.h:54:0,
from /usr/include/c++/7/bits/nested_exception.h:40,
from /usr/include/c++/7/exception:143,
from /usr/include/c++/7/ios:39,
from /usr/include/c++/7/istream:38,
from /usr/include/c++/7/sstream:38,
from /usr/include/c++/7/complex:45,
from /usr/include/c++/7/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
from tri.cpp:7:
/usr/include/c++/7/type_traits:362:31: error: 'std::size_t' has not been declared
template<typename _Tp, std::size_t _Size>
^~~~~~
/usr/include/c++/7/type_traits:363:25: error: '_Size' was not declared in this scope
struct is_array<_Tp[_Size]>
^~~~~
/usr/include/c++/7/type_traits:363:31: error: template argument 1 is invalid
struct is_array<_Tp[_Size]>
^
/usr/include/c++/7/type_traits:561:42: error: 'nullptr_t' is not a member of 'std'
struct __is_null_pointer_helper<std::nullptr_t>
^~~~~~~~~
/usr/include/c++/7/type_traits:561:42: note: suggested alternative:
In file included from /usr/include/c++/7/cstddef:50:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:45,
from tri.cpp:7:
/usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h:444:29: note: 'nullptr_t'
typedef decltype(nullptr) nullptr_t;
^~~~~~~~~
In file included from /usr/include/c++/7/bits/move.h:54:0,
from /usr/include/c++/7/bits/nested_exception.h:40,
from /usr/include/c++/7/exception:143,
from /usr/include/c++/7/ios:39,
from /usr/include/c++/7/istream:38,
from /usr/include/c++/7/sstream:38,
from /usr/include/c++/7/complex:45,
from /usr/include/c++/7/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
from tri.cpp:7:
/usr/include/c++/7/type_traits:561:42: error: 'nullptr_t' is not a member of 'std'
struct __is_null_pointer_helper<std::nullptr_t>
^~~~~~~~~
/usr/include/c++/7/type_traits:561:42: note: suggested alternative:
In file included from /usr/include/c++/7/cstddef:50:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:45,
from tri.cpp:7:
/usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h:444:29: note: 'nullptr_t'
typedef decltype(nullptr) nullptr_t;
^~~~~~~~~
In file included from /usr/include/c++/7/bits/move.h:54:0,
from /usr/include/c++/7/bits/nested_exception.h:40,
from /usr/include/c++/7/exception:143,
from /usr/include/c++/7/ios:39,
from /usr/include/c++/7/istream:38,
from /usr/include/c++/7/sstream:38,
from /usr/include/c++/7/complex:45,
from /usr/include/c++/7/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
from tri.cpp:7:
/usr/include/c++/7/type_traits:561:51: error: template argument 1 is invalid
struct __is_null_pointer_helper<std::nullptr_t>
^
/usr/include/c++/7/type_traits:1464:37: error: 'size_t' is not a member of 'std'
: public integral_constant<std::size_t, __alignof__(_Tp)> { };
^~~~~~
/usr/include/c++/7/type_traits:1464:37: note: suggested alternative:
In file included from /usr/include/stdlib.h:32:0,
from /usr/include/c++/7/bits/std_abs.h:38,
from /usr/include/c++/7/cmath:47,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:41,
from tri.cpp:7:
/usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h:216:23: note: 'size_t'
typedef __SIZE_TYPE__ size_t;
^~~~~~
In file included from /usr/include/c++/7/bits/move.h:54:0,
from /usr/include/c++/7/bits/nested_exception.h:40,
from /usr/include/c++/7/exception:143,
from /usr/include/c++/7/ios:39,
from /usr/include/c++/7/istream:38,
from /usr/include/c++/7/sstream:38,
from /usr/include/c++/7/complex:45,
from /usr/include/c++/7/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
from tri.cpp:7:
/usr/include/c++/7/type_traits:1464:37: error: 'size_t' is not a member of 'std'
: public integral_constant<std::size_t, __alignof__(_Tp)> { };
^~~~~~
/usr/include/c++/7/type_traits:1464:37: note: suggested alternative:
In file included from /usr/include/stdlib.h:32:0,
from /usr/include/c++/7/bits/std_abs.h:38,
from /usr/include/c++/7/cmath:47,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:41,
from tri.cpp:7:
/usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h:216:23: note: 'size_t'
typedef __SIZE_TYPE__ size_t;
^~~~~~
In file included from /usr/include/c++/7/bits/move.h:54:0,
from /usr/include/c++/7/bits/nested_exception.h:40,
from /usr/include/c++/7/exception:143,
from /usr/include/c++/7/ios:39,
from /usr/include/c++/7/istream:38,
from /usr/include/c++/7/sstream:38,
from /usr/include/c++/7/complex:45,
from /usr/include/c++/7/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
from tri.cpp:7:
/usr/include/c++/7/type_traits:1464:61: error: template argument 1 is invalid
: public integral_constant<std::size_t, __alignof__(_Tp)> { };
^
/usr/include/c++/7/type_traits:1464:61: note: invalid template non-type parameter
/usr/include/c++/7/type_traits:1469:37: error: 'size_t' is not a member of 'std'
: public integral_constant<std::size_t, 0> { };
^~~~~~
/usr/include/c++/7/type_traits:1469:37: note: suggested alternative:
In file included from /usr/include/stdlib.h:32:0,
from /usr/include/c++/7/bits/std_abs.h:38,
from /usr/include/c++/7/cmath:47,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:41,
from tri.cpp:7:
/usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h:216:23: note: 'size_t'
typedef __SIZE_TYPE__ size_t;
^~~~~~
In file included from /usr/include/c++/7/bits/move.h:54:0,
from /usr/include/c++/7/bits/nested_exception.h:40,
from /usr/include/c++/7/exception:143,
from /usr/include/c++/7/ios:39,
from /usr/include/c++/7/istream:38,
from /usr/include/c++/7/sstream:38,
from /usr/include/c++/7/complex:45,
from /usr/include/c++/7/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
from tri.cpp:7:
/usr/include/c++/7/type_traits:1469:37: error: 'size_t' is not a member of 'std'
: public integral_constant<std::size_t, 0> { };
^~~~~~
/usr/include/c++/7/type_traits:1469:37: note: suggested alternative:
In file included from /usr/include/stdlib.h:32:0,
from /usr/include/c++/7/bits/std_abs.h:38,
from /usr/include/c++/7/cmath:47,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:41,
from tri.cpp:7:
/usr/lib/gcc/x86_64-linux-gnu/7/include/stddef.h:216:23: note: 'size_t'
typedef __SIZE_TYPE__ size_t;
^~~~~~
In file included from /usr/include/c++/7/bits/move.h:54:0,
from /usr/include/c++/7/bits/nested_exception.h:40,
from /usr/include/c++/7/exception:143,
from /usr/include/c++/7/ios:39,
from /usr/include/c++/7/istream:38,
from /usr/include/c++/7/sstream:38,
from /usr/include/c++/7/complex:45,
from /usr/include/c++/7/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
from tri.cpp:7:
/usr/include/c++/7/type_traits:1469:46: error: template argument 1 is invalid
: public integral_constant<std::size_t, 0> { };
^
/usr/include/c++/7/type_traits:1469:46: note: invalid template non-type parameter
/usr/include/c++/7/type_traits:1471:31: error: 'std::size_t' has not bee