Eroare de compilare: main.cpp:10:19: error: wrong number of template arguments (1, should be 2) 10 | pair <int i, int j> v[401]; | ^ In file included from /usr/include/c++/10/bits/stl_algobase.h:64, from /usr/include/c++/10/bits/char_traits.h:39, from /usr/include/c++/10/ios:40, from /usr/include/c++/10/istream:38, from /usr/include/c++/10/fstream:38, from main.cpp:1: /usr/include/c++/10/bits/stl_pair.h:211:12: note: provided for 'template<class _T1, class _T2> struct std::pair' 211 | struct pair | ^~~~ main.cpp: In function 'int main()': main.cpp:21:13: error: 'i' was not declared in this scope 21 | for(i=1;i<=n;i++) | ^ main.cpp:24:13: error: 'i' was not declared in this scope 24 | for(i=1;i<n;i++) | ^ main.cpp:26:17: error: 'j' was not declared in this scope 26 | for(j=i+1;j<=n;j++) | ^ main.cpp:28:17: error: 'd1' was not declared in this scope; did you mean 'y1'? 28 | d1=abs(v[j].first-v[i].first); | ^~ | y1 main.cpp:29:17: error: 'd2' was not declared in this scope 29 | d2=abs(v[j].second-v[i].second); | ^~ main.cpp:30:19: error: no match for 'operator[]' (operand types are 'std::map<std::pair<int, int>, int>' and '<brace-enclosed initializer list>') 30 | mf[{d1,d2}]++; | ^ In file included from /usr/include/c++/10/map:61, from main.cpp:2: /usr/include/c++/10/bits/stl_map.h:492:7: note: candidate: 'std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type& std::map<_Key, _Tp, _Compare, _Alloc>::operator[](const key_type&) [with _Key = std::pair<int, int>; _Tp = int; _Compare = std::less<std::pair<int, int> >; _Alloc = std::allocator<std::pair<const std::pair<int, int>, int> >; std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type = int; std::map<_Key, _Tp, _Compare, _Alloc>::key_type = std::pair<int, int>]' 492 | operator[](const key_type& __k) | ^~~~~~~~ /usr/include/c++/10/bits/stl_map.h:492:34: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'const key_type&' {aka 'const std::pair<int, int>&'} 492 | operator[](const key_type& __k) | ~~~~~~~~~~~~~~~~^~~ /usr/include/c++/10/bits/stl_map.h:512:7: note: candidate: 'std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type& std::map<_Key, _Tp, _Compare, _Alloc>::operator[](std::map<_Key, _Tp, _Compare, _Alloc>::key_type&&) [with _Key = std::pair<int, int>; _Tp = int; _Compare = std::less<std::pair<int, int> >; _Alloc = std::allocator<std::pair<const std::pair<int, int>, int> >; std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type = int; std::map<_Key, _Tp, _Compare, _Alloc>::key_type = std::pair<int, int>]' 512 | operator[](key_type&& __k) | ^~~~~~~~ /usr/include/c++/10/bits/stl_map.h:512:29: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::map<std::pair<int, int>, int>::key_type&&' {aka 'std::pair<int, int>&&'} 512 | operator[](key_type&& __k) | ~~~~~~~~~~~^~~ main.cpp:31:22: error: no match for 'operator[]' (operand types are 'std::map<std::pair<int, int>, int>' and '<brace-enclosed initializer list>') 31 | if(mf[{d1,d2}]==2) | ^ In file included from /usr/include/c++/10/map:61, Non zero exit status: 1