Eroare de compilare: user.cpp:18:39: error: using typedef-name ‘std::vector<std::pair<long long int, int> >::iterator’ after ‘struct’ typedef struct vector<pair<ll,int> >::iterator it; ^ In file included from /usr/include/c++/4.8/vector:64:0, from /usr/include/c++/4.8/bits/random.h:34, from /usr/include/c++/4.8/random:50, from /usr/include/c++/4.8/bits/stl_algo.h:65, from /usr/include/c++/4.8/algorithm:62, from user.cpp:2: /usr/include/c++/4.8/bits/stl_vector.h:227:61: note: ‘std::vector<std::pair<long long int, int> >::iterator’ has a previous declaration here typedef __gnu_cxx::__normal_iterator<pointer, vector> iterator; ^ user.cpp:18:50: error: invalid type in declaration before ‘;’ token typedef struct vector<pair<ll,int> >::iterator it; ^ user.cpp: In function ‘void AddHash(long long int, int)’: user.cpp:36:22: error: cannot convert ‘std::vector<std::pair<long long int, int> >::iterator {aka __gnu_cxx::__normal_iterator<std::pair<long long int, int>*, std::vector<std::pair<long long int, int> > >}’ to ‘it {aka int}’ in initialization for(it i=H[x].begin();i<H[x].end();i++) ^ user.cpp:36:25: error: no match for ‘operator<’ (operand types are ‘it {aka int}’ and ‘std::vector<std::pair<long long int, int> >::iterator {aka __gnu_cxx::__normal_iterator<std::pair<long long int, int>*, std::vector<std::pair<long long int, int> > >}’) for(it i=H[x].begin();i<H[x].end();i++) ^ user.cpp:36:25: note: candidates are: In file included from /usr/include/c++/4.8/utility:70:0, from /usr/include/c++/4.8/algorithm:60, from user.cpp:2: /usr/include/c++/4.8/bits/stl_pair.h:220:5: note: template<class _T1, class _T2> constexpr bool std::operator<(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&) operator<(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y) ^ /usr/include/c++/4.8/bits/stl_pair.h:220:5: note: template argument deduction/substitution failed: user.cpp:36:35: note: mismatched types ‘const std::pair<_T1, _T2>’ and ‘it {aka int}’ for(it i=H[x].begin();i<H[x].end();i++) ^ In file included from /usr/include/c++/4.8/bits/stl_algobase.h:67:0, from /usr/include/c++/4.8/algorithm:61, from user.cpp:2: /usr/include/c++/4.8/bits/stl_iterator.h:297:5: note: template<class _Iterator> bool std::operator<(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&) operator<(const reverse_iterator<_Iterator>& __x, ^ /usr/include/c++/4.8/bits/stl_iterator.h:297:5: note: template argument deduction/substitution failed: user.cpp:36:35: note: mismatched types ‘const std::reverse_iterator<_Iterator>’ and ‘it {aka int}’ for(it i=H[x].begin();i<H[x].end();i++) ^ In file included from /usr/include/c++/4.8/bits/stl_algobase.h:67:0, from /usr/include/c++/4.8/algorithm:61, from user.cpp:2: /usr/include/c++/4.8/bits/stl_iterator.h:347:5: note: template<class _IteratorL, class _IteratorR> bool std::operator<(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&) operator<(const reverse_iterator<_IteratorL>& __x, ^ /usr/include/c++/4.8/bits/stl_iterator.h:347:5: note: template argument deduction/substitution failed: