Compilare: user.cpp: In function ‘void Solve()’: user.cpp:61:16: warning: unused variable ‘i’ [-Wunused-variable] int pivot, i, j, left, right, mid; ^ user.cpp:61:19: warning: unused variable ‘j’ [-Wunused-variable] int pivot, i, j, left, right, mid; ^ user.cpp: In function ‘void read(int&)’: user.cpp:22:49: 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, Buffer_Size, stdin); ^ user.cpp:29:49: 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, Buffer_Size, stdin); ^ user.cpp: In function ‘void Read()’: user.cpp:37:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("sdo.in", "r", stdin); ^ user.cpp:38:41: 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, Buffer_Size, stdin); ^