# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
761695 | minhcool | The Big Prize (IOI17_prize) | C++17 | 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.
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 (stderr)
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