# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
1029020 | aykhn | Sorting (IOI15_sorting) | 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.
a#include "sorting.h"
#include <bits/stdc++.h>
using namespace std;
const int MXN = 2e5 + 5;
int p[MXN], ind[MXN], cur[MXN], idx[MXN];
int X[MXN], Y[MXN], S[MXN];
int ok(int mid, int N)
{
vector<int> s;
s.clear();
iota(p, p + N, 0);
for (int i = 0; i < mid; i++) swap(p[X[i]], p[Y[i]]);
for (int i = 0; i < N; i++) ind[i] = i, idx[i] = i, cur[i] = S[i];
for (int i = 0; i < N; i++) s.push_back(ind[i]);
for (int i = 0; i < mid; i++)
{
swap(idx[ind[X[i]]], idx[ind[Y[i]]]);
swap(ind[X[i]], ind[Y[i]]);
swap(cur[X[i]], cur[Y[i]]);
while (!s.empty() && s.back() == p[cur[idx[s.back()]]])
{
s.pop_back();
}
int f1 = -1, f2 = -1;
if (!s.empty())
{
f1 = idx[s.back()];
f2 = idx[p[cur[f1]]];
}
if (f1 != -1)
{
swap(cur[f1], cur[f2]);
}
}
int ok = 1;
for (int i = 0; i < N; i++)
{
if (ind[i] != p[cur[i]]) ok = 0;
}
return ok;
}
int findSwapPairs(int N, int S1[], int M, int x[], int y[], int P[], int Q[])
{
for (int i = 0; i < M; i++) X[i] = x[i], Y[i] = y[i], S[i] = S1[i];
int l = 0, r = M;
while (l < r)
{
int mid = (l + r) >> 1;
if (ok(mid, N)) r = mid;
else l = mid + 1;
}
vector<int> s;
iota(p, p + N, 0);
for (int i = 0; i < l; i++) swap(p[X[i]], p[Y[i]]);
for (int i = 0; i < N; i++) ind[i] = i, idx[i] = i, cur[i] = S[i];
for (int i = 0; i < N; i++) s.push_back(i);
for (int i = 0; i < l; i++)
{
swap(idx[ind[X[i]]], idx[ind[Y[i]]]);
swap(ind[X[i]], ind[Y[i]]);
swap(cur[X[i]], cur[Y[i]]);
while (!s.empty() && s.back() == p[cur[idx[s.back()]]])
{
s.pop_back();
}
int f1 = -1, f2 = -1;
if (!s.empty())
{
f1 = idx[s.back()];
f2 = idx[p[cur[f1]]];
}
if (f1 != -1)
{
P[i] = f1, Q[i] = f2;
swap(cur[f1], cur[f2]);
}
else P[i] = Q[i] = 0;
}
return l;
}
Compilation message (stderr)
sorting.cpp:1:2: error: stray '#' in program 1 | a#include "sorting.h" | ^ sorting.cpp:1:1: error: 'a' does not name a type 1 | a#include "sorting.h" | ^ In file included from /usr/include/c++/10/cmath:43, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41, from sorting.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/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/bits/specfun.h:45, from /usr/include/c++/10/cmath:1927, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41, from sorting.cpp:2: /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: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 sorting.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/stl_pair.h:59, from /usr/include/c++/10/bits/stl_algobase.h:64, from /usr/include/c++/10/bits/specfun.h:45, from /usr/include/c++/10/cmath:1927, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41, from sorting.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 sorting.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/stl_pair.h:59, from /usr/include/c++/10/bits/stl_algobase.h:64, from /usr/include/c++/10/bits/specfun.h:45, from /usr/include/c++/10/cmath:1927, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41, from sorting.cpp:2: /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'; did you mean 'size_t'? 1364 | : public integral_constant<std::size_t, 1 + rank<_Tp>::value> { }; | ^~~~~~ 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 sorting.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/stl_pair.h:59, from /usr/include/c++/10/bits/stl_algobase.h:64, from /usr/include/c++/10/bits/specfun.h:45, from /usr/include/c++/10/cmath:1927, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41, from sorting.cpp:2: /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'; did you mean 'size_t'? 1368 | : public integral_constant<std::size_t, 1 + rank<_Tp>::value> { }; | ^~~~~~ 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 sorting.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/stl_pair.h:59, from /usr/include/c++/10/bits/stl_algobase.h:64, from /usr/include/c++/10/bits/specfun.h:45, from /usr/include/c++/10/cmath:1927, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41, from sorting.cpp:2: /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'; did you mean 'size_t'? 1373 | : 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 sorting.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/stl_pair.h:59, from /usr/include/c++/10/bits/stl_algobase.h:64, from /usr/include/c++/10/bits/specfun.h:45, from /usr/include/c++/10/cmath:1927, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41, from sorting.cpp:2: /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'; did you mean 'size_t'? 1377 | : public integral_constant<std::size_t, | ^~~~~~ 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 sorting.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/stl_pair.h:59, from /usr/include/c++/10/bits/stl_algobase.h:64, from /usr/include/c++/10/bits/specfun.h:45, from /usr/include/c++/10/cmath:1927, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41, from sorting.cpp:2: /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'; did you mean 'size_t'? 1384 | : public integral_constant<std::size_t, | ^~~~~~ 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 sorting.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/stl_pair.h:59, from /usr/include/c++/10/bits/stl_algobase.h:64, from /usr/include/c++/10/bits/specfun.h:45, from /usr/include/c++/10/cmath:1927, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41, from sorting.cpp:2: /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: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; | ^~~~~~ In file included from /usr/include/c++/10/bits/stl_algobase.h:64, from /usr/include/c++/10/bits/specfun.h:45, from /usr/include/c++/10/cmath:1927, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41, from sorting.cpp:2: /usr/include/c++/10/bits/stl_pair.h:92:12: error: 'std::size_t' has not been declared 92 | template<std::size_t...> | ^~~ /usr/include/c++/10/bits/stl_pair.h:449:36: error: 'std::size_t' has not been declared 449 | template<typename... _Args1, std::size_t... _Indexes1, | ^~~ /usr/include/c++/10/bits/stl_pair.h:450:36: error: 'std::size_t' has not been declared 450 | typename... _Args2, std::size_t... _Indexes2> | ^~~ /usr/include/c++/10/bits/stl_pair.h:453:27: error: '_Indexes1' was not declared in this scope 453 | _Index_tuple<_Indexes1...>, _Index_tuple<_Indexes2...>); | ^~~~~~~~~ /usr/include/c++/10/bits/stl_pair.h:453:36: error: expected parameter pack before '...' 453 | _Index_tuple<_Indexes1...>, _Index_tuple<_Indexes2...>); | ^~~ /usr/include/c++/10/bits/stl_pair.h:453:39: error: template argument 1 is invalid 453 | _Index_tuple<_Indexes1...>, _Index_tuple<_Indexes2...>); | ^ /usr/include/c++/10/bits/stl_pair.h:453:55: error: '_Indexes2' was not declared in this scope 453 | _Index_tuple<_Indexes1...>, _Index_tuple<_Indexes2...>); | ^~~~~~~~~ /usr/include/c++/10/bits/stl_pair.h:453:64: error: expected parameter pack before '...' 453 | _Index_tuple<_Indexes1...>, _Index_tuple<_Indexes2...>); | ^~~ /usr/include/c++/10/bits/stl_pair.h:453:67: error: template argument 1 is invalid 453 | _Index_tuple<_Indexes1...>, _Index_tuple<_Indexes2...>); | ^ In file included from /usr/include/c++/10/bits/stl_algobase.h:65, from /usr/include/c++/10/bits/specfun.h:45, from /usr/include/c++/10/cmath:1927, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41, from sorting.cpp:2: /usr/include/c++/10/bits/stl_iterator_base_types.h:125:67: error: 'ptrdiff_t' does not name a type 125 | template<typename _Category, typename _Tp, typename _Distance = ptrdiff_t, | ^~~~~~~~~ In file included from /usr/include/c++/10/bits/stl_algobase.h:65, from /usr/include/c++/10/bits/specfun.h:45, from /usr/include/c++/10/cmath:1927, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41, from sorting.cpp:2: /usr/include/c++/10/bits/stl_iterator_base_types.h:1:1: note: 'ptrdiff_t' is defined in header '<cstddef>'; did you forget to '#include <cstddef>'? +++ |+#include <cstddef> 1 | // Types used in iterator implementation -*- C++ -*- In file included from /usr/include/c++/10/bits/stl_algobase.h:65, from /usr/include/c++/10/bits/specfun.h:45, from /usr/include/c++/10/cmath:1927, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41, from sorting.cpp:2: /usr/include/c++/10/bits/stl_iterator_base_types.h:214:15: error: 'ptrdiff_t' does not name a type 214 | typedef ptrdiff_t difference_type; | ^~~~~~~~~ /usr/include/c++/10/bits/stl_iterator_base_types.h:214:15: note: 'ptrdiff_t' is defined in header '<cstddef>'; did you forget to '#include <cstddef>'? /usr/include/c++/10/bits/stl_iter