Eroare de compilare: user.cpp:21:10: error: ISO C++ forbids declaration of ‘wtf’ with no type [-fpermissive] wtf(int N) ^ user.cpp: In function ‘int wtf(int)’: user.cpp:32:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: At global scope: user.cpp:7:39: warning: always_inline function might not be inlinable [-Wattributes] __attribute__((always_inline)) size_t get_number() ^~~~~~~~~~ user.cpp: In function ‘int main()’: user.cpp:36:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("elmaj.in", "r", stdin); ^ user.cpp:38:39: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(inBuffer, 1, 8388608, stdin); ^