Compilare: user.cpp: In function ‘int get_int()’: user.cpp:64:47: 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, MAXBUFFER, stdin); ^ user.cpp:73:47: 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, MAXBUFFER, stdin); ^ user.cpp: In function ‘int main()’: user.cpp:81:42: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("kbubblesort.in", "r", stdin); ^ user.cpp:82:44: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("kbubblesort.out", "w", stdout); ^ user.cpp: In function ‘int cauta_binar()’: user.cpp:53:12: warning: ‘last’ may be used uninitialized in this function [-Wmaybe-uninitialized] return last; ^