Eroare de compilare: user.cpp:9:10: error: ‘long int index’ redeclared as different kind of symbol long int index=0; ^ In file included from /usr/include/c++/4.8/cstring:42:0, from user.cpp:2: /usr/include/string.h:482:1: error: previous declaration of ‘const char* index(const char*, int)’ index (__const char *__s, int __c) __THROW ^ user.cpp: In function ‘long int trei()’: user.cpp:19:14: error: invalid types ‘char [100001][<unresolved overloaded function type>]’ for array subscript while(s[index]=='+' or s[index]=='-'){ ^ user.cpp:19:31: error: invalid types ‘char [100001][<unresolved overloaded function type>]’ for array subscript while(s[index]=='+' or s[index]=='-'){ ^ user.cpp:20:15: error: invalid types ‘char [100001][<unresolved overloaded function type>]’ for array subscript if(s[index]=='+'){ ^ user.cpp:21:11: error: no pre-increment operator for type ++index; ^ user.cpp:24:15: error: invalid types ‘char [100001][<unresolved overloaded function type>]’ for array subscript if(s[index]=='-'){ ^ user.cpp:25:11: error: no pre-increment operator for type ++index; ^ user.cpp: In function ‘long int doi()’: user.cpp:34:14: error: invalid types ‘char [100001][<unresolved overloaded function type>]’ for array subscript while(s[index]=='*' or s[index]=='/'){ ^ user.cpp:34:31: error: invalid types ‘char [100001][<unresolved overloaded function type>]’ for array subscript while(s[index]=='*' or s[index]=='/'){ ^ user.cpp:35:15: error: invalid types ‘char [100001][<unresolved overloaded function type>]’ for array subscript if(s[index]=='*'){ ^ user.cpp:36:11: error: no pre-increment operator for type ++index; ^ user.cpp:39:15: error: invalid types ‘char [100001][<unresolved overloaded function type>]’ for array subscript if(s[index]=='/'){ ^ user.cpp:40:11: error: no pre-increment operator for type ++index; ^ user.cpp: In function ‘long int unul()’: user.cpp:49:11: error: invalid types ‘char [100001][<unresolved overloaded function type>]’ for array subscript if(s[index]=='('){ ^