Compilare: user.cpp: In function ‘int main()’: user.cpp:39:13: warning: unused variable ‘nr’ [-Wunused-variable] int n,k,nr,i,x,st,dr,maxx=-30001; ^ user.cpp: In function ‘void citeste(int&)’: user.cpp:13:37: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buff,1,8192,stdin); ^ user.cpp:20:37: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buff,1,8192,stdin); ^ user.cpp:29:37: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buff,1,8192,stdin); ^ user.cpp: In function ‘int main()’: user.cpp:37:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("secventa.in","r",stdin); ^ user.cpp:38:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("secventa.out","w",stdout); ^ user.cpp:40:29: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buff,1,8192,stdin); ^