Eroare de compilare: main.cpp: In function 'int main()': main.cpp:168:33: error: no matching function for call to 'find()' heap.deleteKey(find()) ^ In file included from /usr/include/c++/6/bits/locale_facets.h:48:0, from /usr/include/c++/6/bits/basic_ios.h:37, from /usr/include/c++/6/ios:44, from /usr/include/c++/6/ostream:38, from /usr/include/c++/6/iostream:39, from main.cpp:1: /usr/include/c++/6/bits/streambuf_iterator.h:369:5: note: candidate: template<class _CharT2> typename __gnu_cxx::__enable_if<std::__is_char<_CharT2>::__value, std::istreambuf_iterator<_CharT> >::__type std::find(std::istreambuf_iterator<_CharT>, std::istreambuf_iterator<_CharT>, const _CharT2&) find(istreambuf_iterator<_CharT> __first, ^~~~ /usr/include/c++/6/bits/streambuf_iterator.h:369:5: note: template argument deduction/substitution failed: main.cpp:168:33: note: candidate expects 3 arguments, 0 provided heap.deleteKey(find()) ^ In file included from /usr/include/c++/6/algorithm:62:0, from main.cpp:3: /usr/include/c++/6/bits/stl_algo.h:3784:5: note: candidate: template<class _IIter, class _Tp> _IIter std::find(_IIter, _IIter, const _Tp&) find(_InputIterator __first, _InputIterator __last, ^~~~ /usr/include/c++/6/bits/stl_algo.h:3784:5: note: template argument deduction/substitution failed: main.cpp:168:33: note: candidate expects 3 arguments, 0 provided heap.deleteKey(find()) ^ main.cpp:144:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("heapuri.in", "r", stdin); ^ main.cpp:145:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("heapuri.out", "w", stdout); ^ main.cpp:148:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &N); ^ main.cpp:155:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &x); ^ main.cpp:159:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &y); ^ main.cpp:166:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &y); ^ Non zero exit status: 1