Compilare: user.cpp: In function ‘int main()’: user.cpp:118:37: warning: unused variable ‘med’ [-Wunused-variable] int left=0, right=cc-1, med, sol=0; ^ user.cpp:58:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("mediana.out", "w", stdout); ^ user.cpp: In member function ‘char InputReader::nextpos()’: user.cpp:42:38: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buff, Size, 1, fin); ^