Compilare: user.cpp: In function ‘void descarca()’: user.cpp:27:13: warning: unused variable ‘p’ [-Wunused-variable] struct nod* p; ^ user.cpp: In function ‘int main()’: user.cpp:63:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=2; i<=n; i++) ^ user.cpp:70:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1; i<=n; i++) ^ user.cpp:75:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1; i<=n; i++) ^ user.cpp:79:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1; i<=n; i++) ^ user.cpp:83:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1; i<=n; i++)if(i%10 == 1)cout<<v[i]<<" "; ^ user.cpp:51:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("radixsort.in","r",stdin); ^ user.cpp:52:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("radixsort.out","w",stdout); ^