# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
1255935 | pasta | Secret (JOI14_secret) | C++20 | Compilation error | 0 ms | 0 KiB |
#include <bits/stdc++.h>
using namespace std;
#include "secret.h"
const int maxn = 1000 + 10;
int a[maxn], dp[maxn][maxn];
bool find[maxn][maxn];
void get(int l, int r) {
if (l >= r)
return;
int m = (l + r) / 2;
get(l, m);
get(m + 1, r);
for (int i = m - 1; i >= l; i--) {
dp[i][m] = Secret(a[i], dp[i + 1][m]);
find[i][m] = true;
}
for (int i = m + 2; i <= r; i++) {
dp[m + 1][i] = Secret(a[i], dp[m + 1][i - 1]);
find[m + 1][i] = true;
}
}
void Init(int N, int A[]) {
for (int i = 0; i < N; i++) {
dp[i][i] = A[i];
a[i] = A[i];
find[i][i] = true;
}
get(0, N - 1);
}
int Query(int L, int R) {
int l = L, r = R;
if (find[l][r])
return dp[l][r];
for (int m = l; m < r; m++) {
if (find[l][m] && find[m + 1][r]) {
return Secret(dp[l][m], dp[m + 1][r]);
}
}
return 0;
}
Compilation message (stderr)
secret.cpp: In function 'void get(int, int)': secret.cpp:20:17: error: reference to 'find' is ambiguous 20 | find[i][m] = true; | ^~~~ In file included from /usr/include/c++/11/algorithm:74, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65, from secret.cpp:1: /usr/include/c++/11/pstl/glue_algorithm_defs.h:60:1: note: candidates are: 'template<class _ExecutionPolicy, class _ForwardIterator, class _Tp> __pstl::__internal::__enable_if_execution_policy<_ExecutionPolicy, _ForwardIterator> std::find(_ExecutionPolicy&&, _ForwardIterator, _ForwardIterator, const _Tp&)' 60 | find(_ExecutionPolicy&& __exec, _ForwardIterator __first, _ForwardIterator __last, const _Tp& __value); | ^~~~ In file included from /usr/include/c++/11/bits/locale_facets.h:48, from /usr/include/c++/11/bits/basic_ios.h:37, from /usr/include/c++/11/ios:44, from /usr/include/c++/11/istream:38, from /usr/include/c++/11/sstream:38, from /usr/include/c++/11/complex:45, from /usr/include/c++/11/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54, from secret.cpp:1: /usr/include/c++/11/bits/streambuf_iterator.h:421:5: note: 'template<class _CharT2> typename __gnu_cxx::__enable_if<std::__is_char<_CharT2>::__value, std::istreambuf_iterator<_CharT, std::char_traits<_CharT> > >::__type std::find(std::istreambuf_iterator<_CharT, std::char_traits<_CharT> >, std::istreambuf_iterator<_CharT, std::char_traits<_CharT> >, const _CharT2&)' 421 | find(istreambuf_iterator<_CharT> __first, | ^~~~ In file included from /usr/include/c++/11/string:52, from /usr/include/c++/11/bits/locale_classes.h:40, from /usr/include/c++/11/bits/ios_base.h:41, from /usr/include/c++/11/ios:42, from /usr/include/c++/11/istream:38, from /usr/include/c++/11/sstream:38, from /usr/include/c++/11/complex:45, from /usr/include/c++/11/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54, from secret.cpp:1: /usr/include/c++/11/bits/stl_algo.h:3876:5: note: 'template<class _IIter, class _Tp> constexpr _IIter std::find(_IIter, _IIter, const _Tp&)' 3876 | find(_InputIterator __first, _InputIterator __last, | ^~~~ secret.cpp:8:6: note: 'bool find [1010][1010]' 8 | bool find[maxn][maxn]; | ^~~~ secret.cpp:24:17: error: reference to 'find' is ambiguous 24 | find[m + 1][i] = true; | ^~~~ In file included from /usr/include/c++/11/algorithm:74, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65, from secret.cpp:1: /usr/include/c++/11/pstl/glue_algorithm_defs.h:60:1: note: candidates are: 'template<class _ExecutionPolicy, class _ForwardIterator, class _Tp> __pstl::__internal::__enable_if_execution_policy<_ExecutionPolicy, _ForwardIterator> std::find(_ExecutionPolicy&&, _ForwardIterator, _ForwardIterator, const _Tp&)' 60 | find(_ExecutionPolicy&& __exec, _ForwardIterator __first, _ForwardIterator __last, const _Tp& __value); | ^~~~ In file included from /usr/include/c++/11/bits/locale_facets.h:48, from /usr/include/c++/11/bits/basic_ios.h:37, from /usr/include/c++/11/ios:44, from /usr/include/c++/11/istream:38, from /usr/include/c++/11/sstream:38, from /usr/include/c++/11/complex:45, from /usr/include/c++/11/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54, from secret.cpp:1: /usr/include/c++/11/bits/streambuf_iterator.h:421:5: note: 'template<class _CharT2> typename __gnu_cxx::__enable_if<std::__is_char<_CharT2>::__value, std::istreambuf_iterator<_CharT, std::char_traits<_CharT> > >::__type std::find(std::istreambuf_iterator<_CharT, std::char_traits<_CharT> >, std::istreambuf_iterator<_CharT, std::char_traits<_CharT> >, const _CharT2&)' 421 | find(istreambuf_iterator<_CharT> __first, | ^~~~ In file included from /usr/include/c++/11/string:52, from /usr/include/c++/11/bits/locale_classes.h:40, from /usr/include/c++/11/bits/ios_base.h:41, from /usr/include/c++/11/ios:42, from /usr/include/c++/11/istream:38, from /usr/include/c++/11/sstream:38, from /usr/include/c++/11/complex:45, from /usr/include/c++/11/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54, from secret.cpp:1: /usr/include/c++/11/bits/stl_algo.h:3876:5: note: 'template<class _IIter, class _Tp> constexpr _IIter std::find(_IIter, _IIter, const _Tp&)' 3876 | find(_InputIterator __first, _InputIterator __last, | ^~~~ secret.cpp:8:6: note: 'bool find [1010][1010]' 8 | bool find[maxn][maxn]; | ^~~~ secret.cpp: In function 'void Init(int, int*)': secret.cpp:33:17: error: reference to 'find' is ambiguous 33 | find[i][i] = true; | ^~~~ In file included from /usr/include/c++/11/algorithm:74, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65, from secret.cpp:1: /usr/include/c++/11/pstl/glue_algorithm_defs.h:60:1: note: candidates are: 'template<class _ExecutionPolicy, class _ForwardIterator, class _Tp> __pstl::__internal::__enable_if_execution_policy<_ExecutionPolicy, _ForwardIterator> std::find(_ExecutionPolicy&&, _ForwardIterator, _ForwardIterator, const _Tp&)' 60 | find(_ExecutionPolicy&& __exec, _ForwardIterator __first, _ForwardIterator __last, const _Tp& __value); | ^~~~ In file included from /usr/include/c++/11/bits/locale_facets.h:48, from /usr/include/c++/11/bits/basic_ios.h:37, from /usr/include/c++/11/ios:44, from /usr/include/c++/11/istream:38, from /usr/include/c++/11/sstream:38, from /usr/include/c++/11/complex:45, from /usr/include/c++/11/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54, from secret.cpp:1: /usr/include/c++/11/bits/streambuf_iterator.h:421:5: note: 'template<class _CharT2> typename __gnu_cxx::__enable_if<std::__is_char<_CharT2>::__value, std::istreambuf_iterator<_CharT, std::char_traits<_CharT> > >::__type std::find(std::istreambuf_iterator<_CharT, std::char_traits<_CharT> >, std::istreambuf_iterator<_CharT, std::char_traits<_CharT> >, const _CharT2&)' 421 | find(istreambuf_iterator<_CharT> __first, | ^~~~ In file included from /usr/include/c++/11/string:52, from /usr/include/c++/11/bits/locale_classes.h:40, from /usr/include/c++/11/bits/ios_base.h:41, from /usr/include/c++/11/ios:42, from /usr/include/c++/11/istream:38, from /usr/include/c++/11/sstream:38, from /usr/include/c++/11/complex:45, from /usr/include/c++/11/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54, from secret.cpp:1: /usr/include/c++/11/bits/stl_algo.h:3876:5: note: 'template<class _IIter, class _Tp> constexpr _IIter std::find(_IIter, _IIter, const _Tp&)' 3876 | find(_InputIterator __first, _InputIterator __last, | ^~~~ secret.cpp:8:6: note: 'bool find [1010][1010]' 8 | bool find[maxn][maxn]; | ^~~~ secret.cpp: In function 'int Query(int, int)': secret.cpp:40:13: error: reference to 'find' is ambiguous 40 | if (find[l][r]) | ^~~~ In file included from /usr/include/c++/11/algorithm:74, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65, from secret.cpp:1: /usr/include/c++/11/pstl/glue_algorithm_defs.h:60:1: note: candidates are: 'template<class _ExecutionPolicy, class _ForwardIterator, class _Tp> __pstl::__internal::__enable_if_execution_policy<_ExecutionPolicy, _ForwardIterator> std::find(_ExecutionPolicy&&, _ForwardIterator, _ForwardIterator, const _Tp&)' 60 | find(_ExecutionPolicy&& __exec, _ForwardIterator __first, _ForwardIterator __last, const _Tp& __value); | ^~~~ In file included from /usr/include/c++/11/bits/locale_facets.h:48, from /usr/include/c++/11/bits/basic_ios.h:37, from /usr/include/c++/11/ios:44, from /usr/include/c++/11/istream:38, from /usr/include/c++/11/sstream:38, from /usr/include/c++/11/complex:45, from /usr/include/c++/11/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54, from secret.cpp:1: /usr/include/c++/11/bits/streambuf_iterator.h:421:5: note: 'template<class _CharT2> typename __gnu_cxx::__enable_if<std::__is_char<_CharT2>::__value, std::istreambuf_iterator<_CharT, std::char_traits<_CharT> > >::__type std::find(std::istreambuf_iterator<_CharT, std::char_traits<_CharT> >, std::istreambuf_iterator<_CharT, std::char_traits<_CharT> >, const _CharT2&)' 421 | find(istreambuf_iterator<_CharT> __first, | ^~~~ In file included from /usr/include/c++/11/string:52, from /usr/include/c++/11/bits/locale_classes.h:40, from /usr/include/c++/11/bits/ios_base.h:41, from /usr/include/c++/11/ios:42, from /usr/include/c++/11/istream:38, from /usr/include/c++/11/sstream:38, from /usr/include/c++/11/complex:45, from /usr/include/c++/11/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54, from secret.cpp:1: /usr/include/c++/11/bits/stl_algo.h:3876:5: note: 'template<class _IIter, class _Tp> constexpr _IIter std::find(_IIter, _IIter, const _Tp&)' 3876 | find(_InputIterator __first, _InputIterator __last, | ^~~~ secret.cpp:8:6: note: 'bool find [1010][1010]' 8 | bool find[maxn][maxn]; | ^~~~ secret.cpp:43:21: error: reference to 'find' is ambiguous 43 | if (find[l][m] && find[m + 1][r]) { | ^~~~ In file included from /usr/include/c++/11/algorithm:74, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65, from secret.cpp:1: /usr/include/c++/11/pstl/glue_algorithm_defs.h:60:1: note: candidates are: 'template<class _ExecutionPolicy, class _ForwardIterator, class _Tp> __pstl::__internal::__enable_if_execution_policy<_ExecutionPolicy, _ForwardIterator> std::find(_ExecutionPolicy&&, _ForwardIterator, _ForwardIterator, const _Tp&)' 60 | find(_ExecutionPolicy&& __exec, _ForwardIterator __first, _ForwardIterator __last, const _Tp& __value); | ^~~~ In file included from /usr/include/c++/11/bits/locale_facets.h:48, from /usr/include/c++/11/bits/basic_ios.h:37, from /usr/include/c++/11/ios:44, from /usr/include/c++/11/istream:38, from /usr/include/c++/11/sstream:38, from /usr/include/c++/11/complex:45, from /usr/include/c++/11/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54, from secret.cpp:1: /usr/include/c++/11/bits/streambuf_iterator.h:421:5: note: 'template<class _CharT2> typename __gnu_cxx::__enable_if<std::__is_char<_CharT2>::__value, std::istreambuf_iterator<_CharT, std::char_traits<_CharT> > >::__type std::find(std::istreambuf_iterator<_CharT, std::char_traits<_CharT> >, std::istreambuf_iterator<_CharT, std::char_traits<_CharT> >, const _CharT2&)' 421 | find(istreambuf_iterator<_CharT> __first, | ^~~~ In file included from /usr/include/c++/11/string:52, from /usr/include/c++/11/bits/locale_classes.h:40, from /usr/include/c++/11/bits/ios_base.h:41, from /usr/include/c++/11/ios:42, from /usr/include/c++/11/istream:38, from /usr/include/c++/11/sstream:38, from /usr/include/c++/11/complex:45, from /usr/include/c++/11/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54, from secret.cpp:1: /usr/include/c++/11/bits/stl_algo.h:3876:5: note: 'template<class _IIter, class _Tp> constexpr _IIter std::find(_IIter, _IIter, const _Tp&)' 3876 | find(_InputIterator __first, _InputIterator __last, | ^~~~ secret.cpp:8:6: note: 'bool find [1010][1010]' 8 | bool find[maxn][maxn]; | ^~~~ secret.cpp:43:35: error: reference to 'find' is ambiguous 43 | if (find[l][m] && find[m + 1][r]) { | ^~~~ In file included from /usr/include/c++/11/algorithm:74, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65, from secret.cpp:1: /usr/include/c++/11/pstl/glue_algorithm_defs.h:60:1: note: candidates are: 'template<class _ExecutionPolicy, class _ForwardIterator, class _Tp> __pstl::__internal::__enable_if_execution_policy<_ExecutionPolicy, _ForwardIterator> std::find(_ExecutionPolicy&&, _ForwardIterator, _ForwardIterator, const _Tp&)' 60 | find(_ExecutionPolicy&& __exec, _ForwardIterator __first, _ForwardIterator __last, const _Tp& __value); | ^~~~ In file included from /usr/include/c++/11/bits/locale_facets.h:48, from /usr/include/c++/11/bits/basic_ios.h:37, from /usr/include/c++/11/ios:44, from /usr/include/c++/11/istream:38, from /usr/include/c++/11/sstream:38, from /usr/include/c++/11/complex:45, from /usr/include/c++/11/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54, from secret.cpp:1: /usr/include/c++/11/bits/streambuf_iterator.h:421:5: note: 'template<class _CharT2> typename __gnu_cxx::__enable_if<std::__is_char<_CharT2>::__value, std::istreambuf_iterator<_CharT, std::char_traits<_CharT> > >::__type std::find(std::istreambuf_iterator<_CharT, std::char_traits<_CharT> >, std::istreambuf_iterator<_CharT, std::char_traits<_CharT> >, const _CharT2&)' 421 | find(istreambuf_iterator<_CharT> __first, | ^~~~ In file included from /usr/include/c++/11/string:52, from /usr/include/c++/11/bits/locale_classes.h:40, from /usr/include/c++/11/bits/ios_base.h:41, from /usr/include/c++/11/ios:42, from /usr/include/c++/11/istream:38, from /usr/include/c++/11/sstream:38, from /usr/include/c++/11/complex:45, from /usr/include/c++/11/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54, from secret.cpp:1: /usr/include/c++/11/bits/stl_algo.h:3876:5: note: 'template<class _IIter, class _Tp> constexpr _IIter std::find(_IIter, _IIter, const _Tp&)' 3876 | find(_InputIterator __first, _InputIterator __last, | ^~~~ secret.cpp:8:6: note: 'bool find [1010][1010]' 8 | bool find[maxn][maxn]; | ^~~~