Compilare: user.cpp: In function ‘void genereaza()’: user.cpp:11:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=2; i<=n; i++) ^ user.cpp: In function ‘void afiseaza()’: user.cpp:16:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1; i<=n; i+=10) ^ user.cpp: In function ‘void radix()’: user.cpp:24:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=1; i<=n; i++) ^ user.cpp:21:12: warning: unused variable ‘bit’ [-Wunused-variable] int i, bit=8, nr; ^ user.cpp: In function ‘int main()’: user.cpp:66:38: 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:67:40: 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); ^ user.cpp:68:40: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d %d",&n, &A, &B, &C); ^