Compilare: user.cpp: In function ‘void Interclasare(int, int, int)’: user.cpp:36:38: warning: unused variable ‘same’ [-Wunused-variable] int i = st, j = mid + 1, k = st, same = 0; ^ user.cpp: In function ‘int main()’: user.cpp:67:12: warning: unused variable ‘j’ [-Wunused-variable] int i, j; ^ user.cpp: In function ‘char getChar(FILE*)’: user.cpp:15:31: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buf, 1, BUF_SIZE, f); ^