Eroare de compilare: main.cpp: In function 'void afis(int)': main.cpp:21:17: warning: suggest parentheses around '+' inside '<<' [-Wparentheses] if((1<<i+1)&x) ~^~ main.cpp:21:11: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] if((1<<i+1)&x) ^ main.cpp: In function 'int main()': main.cpp:53:7: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] if(s[0]!='(') ^ main.cpp:74:13: error: reference to 'next' is ambiguous next[stiva[p+1]]=++k; ^~~~ main.cpp:15:34: note: candidates are: int next [2050005] int n,sens,i,ord[20],stiva[maxn],next[maxn],aux,inv,p,k,fiu[20],x; ^~~~ In file included from /usr/include/c++/6/bits/stl_algobase.h:66:0, from /usr/include/c++/6/bits/char_traits.h:39, from /usr/include/c++/6/string:40, from /usr/include/c++/6/bitset:47, from main.cpp:3: /usr/include/c++/6/bits/stl_iterator_base_funcs.h:205:5: note: template<class _ForwardIterator> _ForwardIterator std::next(_ForwardIterator, typename std::iterator_traits<_Iter>::difference_type) next(_ForwardIterator __x, typename ^~~~ main.cpp:110:24: error: reference to 'next' is ambiguous fiu[1]=x,x=next[x]; ^~~~ main.cpp:15:34: note: candidates are: int next [2050005] int n,sens,i,ord[20],stiva[maxn],next[maxn],aux,inv,p,k,fiu[20],x; ^~~~ In file included from /usr/include/c++/6/bits/stl_algobase.h:66:0, from /usr/include/c++/6/bits/char_traits.h:39, from /usr/include/c++/6/string:40, from /usr/include/c++/6/bitset:47, from main.cpp:3: /usr/include/c++/6/bits/stl_iterator_base_funcs.h:205:5: note: template<class _ForwardIterator> _ForwardIterator std::next(_ForwardIterator, typename std::iterator_traits<_Iter>::difference_type) next(_ForwardIterator __x, typename ^~~~ main.cpp:114:24: error: reference to 'next' is ambiguous fiu[2]=x,x=next[x]; ^~~~ main.cpp:15:34: note: candidates are: int next [2050005] int n,sens,i,ord[20],stiva[maxn],next[maxn],aux,inv,p,k,fiu[20],x; ^~~~ In file included from /usr/include/c++/6/bits/stl_algobase.h:66:0, from /usr/include/c++/6/bits/char_traits.h:39, from /usr/include/c++/6/string:40, from /usr/include/c++/6/bitset:47, from main.cpp:3: Non zero exit status: 1