Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:23:27: error: call of overloaded ‘abs(long int&)’ is ambiguous const long ai=abs(minn), bi=maxx; ^ user.cpp:23:27: note: candidates are: In file included from /usr/local/include/c++/4.8.0/cstdlib:72:0, from /usr/local/include/c++/4.8.0/ext/string_conversions.h:41, from /usr/local/include/c++/4.8.0/bits/basic_string.h:2817, from /usr/local/include/c++/4.8.0/string:52, from /usr/local/include/c++/4.8.0/bits/locale_classes.h:40, from /usr/local/include/c++/4.8.0/bits/ios_base.h:41, from /usr/local/include/c++/4.8.0/ios:42, from /usr/local/include/c++/4.8.0/istream:38, from /usr/local/include/c++/4.8.0/fstream:38, from user.cpp:1: /usr/include/stdlib.h:766:12: note: int abs(int) extern int abs (int __x) __THROW __attribute__ ((__const__)) __wur; ^ user.cpp:4:6: note: long int abs(long int&) long abs (long &x) ^ In file included from /usr/local/include/c++/4.8.0/ext/string_conversions.h:41:0, from /usr/local/include/c++/4.8.0/bits/basic_string.h:2817, from /usr/local/include/c++/4.8.0/string:52, from /usr/local/include/c++/4.8.0/bits/locale_classes.h:40, from /usr/local/include/c++/4.8.0/bits/ios_base.h:41, from /usr/local/include/c++/4.8.0/ios:42, from /usr/local/include/c++/4.8.0/istream:38, from /usr/local/include/c++/4.8.0/fstream:38, from user.cpp:1: /usr/local/include/c++/4.8.0/cstdlib:174:3: note: long long int std::abs(long long int) abs(long long __x) { return __builtin_llabs (__x); } ^ /usr/local/include/c++/4.8.0/cstdlib:166:3: note: long int std::abs(long int) abs(long __i) { return __builtin_labs(__i); } ^ user.cpp:24:12: error: ‘bi’ was not declared in this scope int po[bi],ne[ai]; ^ user.cpp:24:21: error: size of array ‘ne’ is not an integral constant-expression int po[bi],ne[ai]; ^ user.cpp:27:19: error: ‘po’ was not declared in this scope if (j>=0) po[j]=1; ^ user.cpp:29:33: error: ‘po’ was not declared in this scope for (int i=1;i<=bi;i++) if (po[i]==1) s++; ^