Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:19:20: error: ‘aux’ was not declared in this scope while(scanf("%s",&aux)!=EOF) ^ user.cpp:25:24: error: invalid conversion from ‘char’ to ‘const char*’ [-fpermissive] int u=v[strlen(v[i])-1]; ^ In file included from /usr/include/c++/4.8/cstring:42:0, from user.cpp:2: /usr/include/string.h:399:15: error: initializing argument 1 of ‘size_t strlen(const char*)’ [-fpermissive] extern size_t strlen (__const char *__s) ^ user.cpp:17:7: warning: unused variable ‘s’ [-Wunused-variable] char s[Nmax+1]; ^ user.cpp:15:31: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("text3.in","r",stdin); ^ user.cpp:16:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("text3.out","w",stdout); ^