Eroare de compilare: user.cpp: In function ‘void makeRmq()’: user.cpp:94:21: error: redeclaration of ‘int k’ int i, j, k, g, k; ^ user.cpp:94:15: error: ‘int k’ previously declared here int i, j, k, g, k; ^ user.cpp: In member function ‘void myIfstream::advance()’: user.cpp:35:47: 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, SIZE, input); ^ user.cpp: In function ‘int main()’: user.cpp:182:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("ct.out", "w", stdout); ^ user.cpp: In constructor ‘myIfstream::myIfstream(const char*)’: user.cpp:44:43: 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, SIZE, input); ^