Eroare de compilare: user.cpp:22:20: error: ‘int index’ redeclared as different kind of symbol int n,m,x,y,nr,top,index; ^ In file included from /usr/include/c++/4.8/cstring:42:0, from user.cpp:9: /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 ‘int main()’: user.cpp:40:19: error: overloaded function with no contextual type information index = i; ^ user.cpp:43:22: error: invalid types ‘pct [120005][<unresolved overloaded function type>]’ for array subscript swap(v[1],v[index]); ^