Eroare de compilare: user.cpp: In function ‘bool cuplaj(int)’: user.cpp:20:14: error: reference to ‘right’ is ambiguous if (!right[it]) ^~~~~ user.cpp:12:17: note: candidates are: int right [10001] int left[NMAX], right[NMAX]; ^~~~~ In file included from /usr/include/c++/6/ios:42:0, from /usr/include/c++/6/istream:38, from /usr/include/c++/6/fstream:38, from user.cpp:1: /usr/include/c++/6/bits/ios_base.h:1007:3: note: std::ios_base& std::right(std::ios_base&) right(ios_base& __base) ^~~~~ user.cpp:22:9: error: reference to ‘left’ is ambiguous left[nod] = it; ^~~~ user.cpp:12:5: note: candidates are: int left [10001] int left[NMAX], right[NMAX]; ^~~~ In file included from /usr/include/c++/6/ios:42:0, from /usr/include/c++/6/istream:38, from /usr/include/c++/6/fstream:38, from user.cpp:1: /usr/include/c++/6/bits/ios_base.h:999:3: note: std::ios_base& std::left(std::ios_base&) left(ios_base& __base) ^~~~ user.cpp:23:9: error: reference to ‘right’ is ambiguous right[it] = nod; ^~~~~ user.cpp:12:17: note: candidates are: int right [10001] int left[NMAX], right[NMAX]; ^~~~~ In file included from /usr/include/c++/6/ios:42:0, from /usr/include/c++/6/istream:38, from /usr/include/c++/6/fstream:38, from user.cpp:1: /usr/include/c++/6/bits/ios_base.h:1007:3: note: std::ios_base& std::right(std::ios_base&) right(ios_base& __base) ^~~~~ user.cpp:28:20: error: reference to ‘right’ is ambiguous if (cuplaj(right[it])) ^~~~~ user.cpp:12:17: note: candidates are: int right [10001] int left[NMAX], right[NMAX]; ^~~~~ In file included from /usr/include/c++/6/ios:42:0, from /usr/include/c++/6/istream:38, from /usr/include/c++/6/fstream:38, from user.cpp:1: