Compilare: user.cpp: In function ‘void search(int, int)’: user.cpp:31:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 0; i < h[K].size(); i++ ){ ^ user.cpp: In function ‘void citeste(int&)’: user.cpp:16:41: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread( buffer, 1, DIM, fin ); ^ user.cpp:24:41: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread( buffer, 1, DIM, fin ); ^ user.cpp: In function ‘int main()’: user.cpp:39:33: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread( buffer, 1, DIM, fin ); ^