Eroare de compilare: user.cpp:9:5: error: ‘poz exit’ redeclared as different kind of symbol poz exit, intr; ^ 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:543:13: error: previous declaration of ‘void exit(int)’ extern void exit (int __status) __THROW __attribute__ ((__noreturn__)); ^ user.cpp: In function ‘bool check(int)’: user.cpp:40:19: error: request for member ‘l’ in ‘exit’, which is of non-class type ‘void(int)throw ()’ return w[exit.l][exit.c]; ^ user.cpp:40:27: error: request for member ‘c’ in ‘exit’, which is of non-class type ‘void(int)throw ()’ return w[exit.l][exit.c]; ^ user.cpp: In function ‘int main()’: user.cpp:65:22: error: request for member ‘l’ in ‘exit’, which is of non-class type ‘void(int)throw ()’ exit.l = i; ^ user.cpp:66:22: error: request for member ‘c’ in ‘exit’, which is of non-class type ‘void(int)throw ()’ exit.c = j; ^ user.cpp:93:18: error: request for member ‘l’ in ‘exit’, which is of non-class type ‘void(int)throw ()’ lim = d[exit.l][exit.c]<d[intr.l][intr.c]?d[exit.l][exit.c]:d[intr.l][intr.c]; ^ user.cpp:93:26: error: request for member ‘c’ in ‘exit’, which is of non-class type ‘void(int)throw ()’ lim = d[exit.l][exit.c]<d[intr.l][intr.c]?d[exit.l][exit.c]:d[intr.l][intr.c]; ^ user.cpp:93:54: error: request for member ‘l’ in ‘exit’, which is of non-class type ‘void(int)throw ()’ lim = d[exit.l][exit.c]<d[intr.l][intr.c]?d[exit.l][exit.c]:d[intr.l][intr.c]; ^ user.cpp:93:62: error: request for member ‘c’ in ‘exit’, which is of non-class type ‘void(int)throw ()’ lim = d[exit.l][exit.c]<d[intr.l][intr.c]?d[exit.l][exit.c]:d[intr.l][intr.c]; ^ user.cpp: In function ‘bool check(int)’: user.cpp:41:1: warning: control reaches end of non-void function [-Wreturn-type] } ^