Submission #761695

# Submission time Handle Problem Language Result Execution time Memory
761695 2023-06-20T07:17:18 Z minhcool The Big Prize (IOI17_prize) C++17
Compilation error
0 ms 0 KB
prize
//#define local
#ifndef local
#include "prize.h"
#endif
#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
using namespace std;
 
//#define int long long
#define fi first
#define se second
#define pb push_back
#define mp make_pair
 
typedef pair<int, int> ii;
typedef pair<ii, int> iii;
typedef pair<ii, ii> iiii;
 
const int N = 3e5 + 5;
 
const int oo = 1e18 + 7, mod = 1e9 + 7;
 
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
 
int rnd(int l, int r){
	int temp = rng() % (r - l + 1);
	return abs(temp) + l;
}
 
#ifdef local
 
int n, arr[N];
 
vector<int> ask(int x){
	vector<int> v;
	int num = 0;
	for(int i = x - 1; i >= 0; i--) num += (arr[i] < arr[x]);
	v.pb(num);
	num = 0;
	for(int i = x + 1; i < n; i++) num += (arr[i] < arr[x]);
	v.pb(num);
	return v;
}
#endif 
 
ii gett[N];
 
ii cal(int x){
	if(gett[x].fi || gett[x].se) return gett[x];
	vector<int> v = ask(x);
	return gett[x] = {v[0], v[1]};
}
 
int find_best(int n){
	if(n <= 1000){
	//	exit(0);
		for(int i = 0; i < n; i++){
			ii temp = cal(i);
		//	cout << temp.fi << " " << temp.se << "\n";
			if(!(temp.fi + temp.se)) return i;
		}
		exit(0);
	}
	int maxi = -oo;
	for(int itr = 1; itr <= 30; itr++){
		int pos = rnd(0, n - 1);
		ii temp = cal(pos);
		maxi = max(maxi, temp.fi + temp.se);
	}
	int lst = -1, num = 0;
	while(1){
		int le = lst + 1, ri = n - 1;
        assert(le < n && ri < n);
		num++;
		int troll = 0;
		while(le < ri){
			int mid = (le + ri) >> 1;
			if(!troll){
				mid = min(mid, le + 500);
				troll = 1;
			}
			assert(le < n && ri < n && mid < n);
			ii temp = cal(mid);
			if((temp.fi + temp.se) != maxi){
                if(!(temp.fi + temp.se)) return mid;
            	ri = mid;
            }
			else if(temp.fi >= num) ri = mid;
			else le = mid + 1;
		}
		ii temp = cal(le);
		if(!(temp.fi + temp.se)) return le;
		lst = le;
	}
	assert(0);
}
 
//#define local
#ifdef local
void process(){
	cin >> n;
	for(int i = 0; i < n; i++) cin >> arr[i];
	cout << find_best(n) << "\n";
}
 
signed main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	process();
}
#endif

Compilation message

prize.cpp:1:1: error: 'prize' does not name a type
    1 | prize
      | ^~~~~
In file included from /usr/include/c++/10/bits/stl_algobase.h:62,
                 from /usr/include/c++/10/vector:60,
                 from prize.h:1,
                 from prize.cpp:4:
/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/move.h:57,
                 from /usr/include/c++/10/bits/stl_pair.h:59,
                 from /usr/include/c++/10/bits/stl_algobase.h:64,
                 from /usr/include/c++/10/vector:60,
                 from prize.h:1,
                 from prize.cpp:4:
/usr/include/c++/10/type_traits:200:27: error: 'size_t' has not been declared
  200 |   template <typename _Tp, size_t = sizeof(_Tp)>
      |                           ^~~~~~
/usr/include/c++/10/type_traits:402:26: 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'
  508 |     struct __is_null_pointer_helper<std::nullptr_t>
      |                                          ^~~~~~~~~
/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:984:26: error: 'size_t' has not been declared
  984 |   template<typename _Tp, size_t _Num>
      |                          ^~~~~~
/usr/include/c++/10/type_traits:985:49: error: '_Num' was not declared in this scope
  985 |     struct __is_nt_constructible_impl<true, _Tp[_Num]>
      |                                                 ^~~~
/usr/include/c++/10/type_traits:985:54: error: template argument 2 is invalid
  985 |     struct __is_nt_constructible_impl<true, _Tp[_Num]>
      |                                                      ^
/usr/include/c++/10/type_traits:1351:37: error: 'size_t' is not a member of 'std'
 1351 |     : public integral_constant<std::size_t, alignof(_Tp)>
      |                                     ^~~~~~
/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'
 1360 |     : public integral_constant<std::size_t, 0> { };
      |                                     ^~~~~~
/usr/include/c++/10/type_traits:1360:46: error: template argument 1 is invalid
 1360 |     : public integral_constant<std::size_t, 0> { };
      |                                              ^
/usr/include/c++/10/type_traits:1360:46: note: invalid template non-type parameter
/usr/include/c++/10/type_traits:1362:26: error: 'std::size_t' has not been declared
 1362 |   template<typename _Tp, std::size_t _Size>
      |                          ^~~
/usr/include/c++/10/type_traits:1363:21: error: '_Size' was not declared in this scope
 1363 |     struct rank<_Tp[_Size]>
      |                     ^~~~~
/usr/include/c++/10/type_traits:1363:27: error: template argument 1 is invalid
 1363 |     struct rank<_Tp[_Size]>
      |                           ^
/usr/include/c++/10/type_traits:1364:37: error: 'size_t' is not a member of 'std'
 1364 |     : public integral_constant<std::size_t, 1 + rank<_Tp>::value> { };
      |                                     ^~~~~~
/usr/include/c++/10/type_traits:1364:65: error: template argument 1 is invalid
 1364 |     : public integral_constant<std::size_t, 1 + rank<_Tp>::value> { };
      |                                                                 ^
/usr/include/c++/10/type_traits:1364:65: note: invalid template non-type parameter
/usr/include/c++/10/type_traits:1368:37: error: 'size_t' is not a member of 'std'
 1368 |     : public integral_constant<std::size_t, 1 + rank<_Tp>::value> { };
      |                                     ^~~~~~
/usr/include/c++/10/type_traits:1368:65: error: template argument 1 is invalid
 1368 |     : public integral_constant<std::size_t, 1 + rank<_Tp>::value> { };
      |                                                                 ^
/usr/include/c++/10/type_traits:1368:65: note: invalid template non-type parameter
/usr/include/c++/10/type_traits:1373:37: error: 'size_t' is not a member of 'std'
 1373 |     : public integral_constant<std::size_t, 0> { };
      |                                     ^~~~~~
/usr/include/c++/10/type_traits:1373:46: error: template argument 1 is invalid
 1373 |     : public integral_constant<std::size_t, 0> { };
      |                                              ^
/usr/include/c++/10/type_traits:1373:46: note: invalid template non-type parameter
/usr/include/c++/10/type_traits:1375:42: error: 'std::size_t' has not been declared
 1375 |   template<typename _Tp, unsigned _Uint, std::size_t _Size>
      |                                          ^~~
/usr/include/c++/10/type_traits:1376:23: error: '_Size' was not declared in this scope
 1376 |     struct extent<_Tp[_Size], _Uint>
      |                       ^~~~~
/usr/include/c++/10/type_traits:1376:36: error: template argument 1 is invalid
 1376 |     struct extent<_Tp[_Size], _Uint>
      |                                    ^
/usr/include/c++/10/type_traits:1377:37: error: 'size_t' is not a member of 'std'
 1377 |     : public integral_constant<std::size_t,
      |                                     ^~~~~~
/usr/include/c++/10/type_traits:1378:24: error: '_Size' was not declared in this scope
 1378 |           _Uint == 0 ? _Size : extent<_Tp,
      |                        ^~~~~
/usr/include/c++/10/type_traits:1379:28: error: template argument 1 is invalid
 1379 |           _Uint - 1>::value>
      |                            ^
/usr/include/c++/10/type_traits:1379:28: note: invalid template non-type parameter
/usr/include/c++/10/type_traits:1384:37: error: 'size_t' is not a member of 'std'
 1384 |     : public integral_constant<std::size_t,
      |                                     ^~~~~~
/usr/include/c++/10/type_traits:1386:31: error: template argument 1 is invalid
 1386 |              _Uint - 1>::value>
      |                               ^
/usr/include/c++/10/type_traits:1386:31: note: invalid template non-type parameter
/usr/include/c++/10/type_traits:1753:26: error: 'size_t' does not name a type
 1753 |       { static constexpr size_t __size = sizeof(_Tp); };
      |                          ^~~~~~
In file included from /usr/include/c++/10/bits/move.h:57,
                 from /usr/include/c++/10/bits/stl_pair.h:59,
                 from /usr/include/c++/10/bits/stl_algobase.h:64,
                 from /usr/include/c++/10/vector:60,
                 from prize.h:1,
                 from prize.cpp:4:
/usr/include/c++/10/type_traits:1:1: note: 'size_t' is defined in header '<cstddef>'; did you forget to '#include <cstddef>'?
  +++ |+#include <cstddef>
    1 | // C++11 <type_traits> -*- C++ -*-
In file included from /usr/include/c++/10/bits/move.h:57,
                 from /usr/include/c++/10/bits/stl_pair.h:59,
                 from /usr/include/c++/10/bits/stl_algobase.h:64,
                 from /usr/include/c++/10/vector:60,
                 from prize.h:1,
                 from prize.cpp:4:
/usr/include/c++/10/type_traits:1755:14: error: 'size_t' has not been declared
 1755 |     template<size_t _Sz, typename _Tp, bool = (_Sz <= _Tp::__size)>
      |              ^~~~~~
/usr/include/c++/10/type_traits:1755:48: error: '_Sz' was not declared in this scope
 1755 |     template<size_t _Sz, typename _Tp, bool = (_Sz <= _Tp::__size)>
      |                                                ^~~
/usr/include/c++/10/type_traits:1756:14: error: no default argument for '_Tp'
 1756 |       struct __select;
      |              ^~~~~~~~
/usr/include/c++/10/type_traits:1758:14: error: 'size_t' has not been declared
 1758 |     template<size_t _Sz, typename _Uint, typename... _UInts>
      |              ^~~~~~
/usr/include/c++/10/type_traits:1759:23: error: '_Sz' was not declared in this scope
 1759 |       struct __select<_Sz, _List<_Uint, _UInts...>, true>
      |                       ^~~
/usr/include/c++/10/type_traits:1759:57: error: template argument 1 is invalid
 1759 |       struct __select<_Sz, _List<_Uint, _UInts...>, true>
      |                                                         ^
/usr/include/c++/10/type_traits:1762:14: error: 'size_t' has not been declared
 1762 |     template<size_t _Sz, typename _Uint, typename... _UInts>
      |              ^~~~~~
/usr/include/c++/10/type_traits:1763:23: error: '_Sz' was not declared in this scope
 1763 |       struct __select<_Sz, _List<_Uint, _UInts...>, false>
      |                       ^~~
/usr/include/c++/10/type_traits:1763:58: error: template argument 1 is invalid
 1763 |       struct __select<_Sz, _List<_Uint, _UInts...>, false>
      |                                                          ^
/usr/include/c++/10/type_traits:1764:18: error: '_Sz' was not declared in this scope
 1764 |       : __select<_Sz, _List<_UInts...>>
      |                  ^~~
/usr/include/c++/10/type_traits:1764:38: error: template argument 1 is invalid
 1764 |       : __select<_Sz, _List<_UInts...>>
      |                                      ^~
/usr/include/c++/10/type_traits:1755:60: error: '__size' is not a member of 'std::__make_unsigned_selector_base::_List<unsigned char, short unsigned int, unsigned int, long unsigned int, long long unsigned int>'
 1755 |     template<size_t _Sz, typename _Tp, bool = (_Sz <= _Tp::__size)>
      |                                                            ^~~~~~
/usr/include/c++/10/type_traits:1777:68: error: template argument 3 is invalid
 1777 |       using __unsigned_type = typename __select<sizeof(_Tp), _UInts>::__type;
      |                                                                    ^
/usr/include/c++/10/type_traits:1781:40: error: '__unsigned_type' was not declared in this scope
 1781 |  = typename __match_cv_qualifiers<_Tp, __unsigned_type>::__type;
      |                                        ^~~~~~~~~~~~~~~
/usr/include/c++/10/type_traits:1781:55: error: template argument 2 is invalid
 1781 |  = typename __match_cv_qualifiers<_Tp, __unsigned_type>::__type;
      |                                                       ^
/usr/include/c++/10/type_traits:1793:61: error: '__type' in 'class std::__make_unsigned_selector<wchar_t, false, true>' does not name a type
 1793 |  = typename __make_unsigned_selector<wchar_t, false, true>::__type;
      |                                                             ^~~~~~
/usr/include/c++/10/type_traits:1810:62: error: '__type' in 'class std::__make_unsigned_selector<char16_t, false, true>' does not name a type
 1810 |  = typename __make_unsigned_selector<char16_t, false, true>::__type;
      |                                                              ^~~~~~
/usr/include/c++/10/type_traits:1817:62: error: '__type' in 'class std::__make_unsigned_selector<char32_t, false, true>' does not name a type
 1817 |  = typename __make_unsigned_selector<char32_t, false, true>::__type;
      |                                                              ^~~~~~
/usr/include/c++/10/type_traits: In instantiation of 'class std::__make_unsigned_selector<wchar_t, true, false>':
/usr/include/c++/10/type_traits:1904:62:   required from 'class std::__make_signed_selector<wchar_t, false, true>'
/usr/include/c++/10/type_traits:1919:57:   required from here
/usr/include/c++/10/type_traits:1738:13: error: no type named '__type' in 'struct std::__make_unsigned<wchar_t>'
 1738 |       using __unsigned_type
      |             ^~~~~~~~~~~~~~~
/usr/include/c++/10/type_traits:1742:13: error: no type named '__type' in 'struct std::__make_unsigned<wchar_t>'
 1742 |       using __type
      |             ^~~~~~
/usr/include/c++/10/type_traits:1919:59: error: invalid combination of multiple type-specifiers
 1919 |  = typename __make_signed_selector<wchar_t, false, true>::__type;
      |                                                           ^~~~~~
/usr/include/c++/10/type_traits: In instantiation of 'class std::__make_unsigned_selector<char16_t, true, false>':
/usr/include/c++/10/type_traits:1904:62:   required from 'class std::__make_signed_selector<char16_t, false, true>'
/usr/include/c++/10/type_traits:1936:58:   required from here
/usr/include/c++/10/type_traits:1738:13: error: no type named '__type' in 'struct std::__make_unsigned<char16_t>'
 1738 |       using __unsigned_type
      |             ^~~~~~~~~~~~~~~
/usr/include/c++/10/type_traits:1742:13: error: no type named '__type' in 'struct std::__make_unsigned<char16_t>'
 1742 |       using __type
      |             ^~~~~~
/usr/include/c++/10/type_traits:1936:60: error: invalid combination of multiple type-specifiers
 1936 |  = typename __make_signed_selector<char16_t, false, true>::__type;
      |                                                            ^~~~~~
/usr/include/c++/10/type_traits: In instantiation of 'class std::__make_unsigned_selector<char32_t, true, false>':
/usr/include/c++/10/type_traits:1904:62:   required from 'class std::__make_signed_selector<char32_t, false, true>'
/usr/include/c++/10/type_traits:1943:58:   required from here
/usr/include/c++/10/type_traits:1738:13: error: no type named '__type' in 'struct std::__make_unsigned<char32_t>'
 1738 |       using __unsigned_type
      |             ^~~~~~~~~~~~~~~
/usr/include/c++/10/type_traits:1742:13: error: no type named '__type' in 'struct std::__make_unsigned<char32_t>'
 1742 |       using __type
      |             ^~~~~~
/usr/include/c++/10/type_traits:1943:60: error: invalid combination of multiple type-specifiers
 1943 |  = typename __make_signed_selector<char32_t, false, true>::__type;
      |                                                            ^~~~~~
/usr/include/c++/10/type_traits:1975:26: error: 'std::size_t' has not been declared
 1975 |   template<typename _Tp, std::size_t _Size>
      |                          ^~~
/usr/include/c++/10/type_traits:1976:30: error: '_Size' was not declared in this scope
 1976 |     struct remove_extent<_Tp[_Size]>
      |                              ^~~~~
/usr/include/c++/10/type_traits:1976:36: error: template argument 1 is invalid
 1976 |     struct remove_extent<_Tp[_Size]>
      |                                    ^
/usr/include/c++/10/type_traits:1988:26: error: 'std::size_t' has not been declared
 1988 |   template<typename _Tp, std::size_t _Size>
      |                          ^~~
/usr/include/c++/10/type_traits:1989:35: error: '_Size' was not declared in this scope
 1989 |     struct remove_all_extents<_Tp[_Size]>
      |                                   ^~~~~
/usr/include/c++/10/type_traits:1989:41: error: template argument 1 is invalid
 1989 |     struct remove_all_extents<_Tp[_Size]>
      |                                         ^
/usr/include/c++/10/type_traits:2047:12: error: 'std::size_t' has not been declared
 2047 |   template<std::size_t _Len>
      |            ^~~
/usr/include/c++/10/type_traits:2052:23: error: '_Len' was not declared in this scope
 2052 |  unsigned char __data[_Len];
      |                       ^~~~
/usr/include/c++/10/type_traits:2067:12: error: 'std::size_t' has not been declared
 2067 |   template<std::size_t _Len, std::size_t _Align =
      |            ^~~
/usr/include/c++/10/type_traits:2067:30: error: 'std::size_t' has not been declared
 2067 |   template<std::size_t _Len, std::size_t _Align =
      |                              ^~~
/usr/include/c++/10/type_traits:2068:48: error: '_Len' was not declared in this scope
 2068 |     __alignof__(typename __aligned_storage_msa<_Len>::__type)>
      |                                                ^~~~
/usr/include/c++/10/type_traits:2068:52: error: template argument 1 is invalid
 2068 |     __alignof__(typename __aligned_storage_msa<_Len>::__type)>
      |                                                    ^
/usr/include/c++/10/type_traits:2073:23: error: '_Len' was not declared in this scope
 2073 |  unsigned char __data[_Len];
      |                       ^~~~
/usr/include/c++/10/type_traits:2074:37: error: '_Align' was not declared in this scope
 2074 |  struct __attribute__((__aligned__((_Align)))) { } __align;
      |                                     ^~~~~~
/usr/include/c++/10/type_traits:2081:20: error: 'size_t' does not name a type
 2081 |       static const size_t _S_alignment = 0;
      |                    ^~~~~~
/usr/include/c++/10/type_traits:2081:20: note: 'size_t' is defined in header '<cstddef>'; did you forget to '#include <cstddef>'?
/usr/include/c++/10/type_traits:2082:20: error: 'size_t' does not name a type
 2082 |       static const size_t _S_size = 0;
      |                    ^~~~~~
/usr/include/c++/10/type_traits:2082:20: note: 'size_t' is defined in header '<cstddef>'; did you forget to '#include <cstddef>'?
/usr/include/c++/10/type_traits:2088:20: error: 'size_t' does not name a type
 2088 |       static const size_t _S_alignment =
      |                    ^~~~~~
/usr/include/c++/10/type_traits:2088:20: note: 'size_t' is defined in header '<cstddef>'; did you forget to '#include <cstddef>'?
/usr/include/c++/10/type_traits:2091:20: error: 'size_t' does not name a type
 2091 |       static const size_t _S_size =
      |                    ^~~~~~
/usr/include/c++/10/type_traits:2091:20: note: 'size_t' is defined in header '<cstddef>'; did you forget to '#include <cstddef>'?
/usr/include/c++/10/type_traits:2106:13: error: 'size_t' has not been declared
 2106 |   template <size_t _Len, typename... _Types>
      |             ^~~~~~
/usr/include/c++/10/type_traits:2113:20: error: 'size_t' does not name a type
 2113 |       static const size_t _S_len = _Len > __strictest::_S_size
      |                    ^~~~~~
/usr/include/c++/10/type_traits:2113:20: note: 'size_t' is defined in header '<cstddef>'; did you forget to '#include <cstddef>'?
/usr/include/c++/10/type_traits:2117:20: error: 'size_t' does not name a type
 2117 |       static const size_t alignment_value = __strictest::_S_alignment;
      |                    ^~~~~~
/usr/include/c++/10/type_traits:2117:20: note: 'size_t' is defined in header '<cstddef>'; did you forget to '#include <cstddef>'?
/usr/include/c++/10/type_traits:2119:40: error: '_S_len' was not declared in this scope
 2119 |       typedef typename aligned_storage<_S_len, alignment_value>::type type;
      |                                        ^~~~~~
/usr/include/c++/10/type_traits:2119:48: error: 'alignment_value' was no