Compilare: main.cpp:3: warning: ignoring '#pragma gcc optimize' [-Wunknown-pragmas] 3 | #pragma gcc optimize("Ofast") | main.cpp:4: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas] 4 | #pragma GCC optimization("Ofast") | main.cpp:5: warning: ignoring '#pragma optimize ' [-Wunknown-pragmas] 5 | #pragma optimize(Ofast) | main.cpp:2:37: warning: bad option '-f unroll-loops' to pragma 'optimize' [-Wpragmas] 2 | #pragma GCC optimize(" unroll-loops") | ^ main.cpp:23:26: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes] 23 | static inline char getch() { | ^ main.cpp:31:25: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes] 31 | static inline int numar() { | ^ main.cpp:44:38: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes] 44 | static inline void print_ch( char ch ) { | ^ main.cpp:51:37: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes] 51 | static inline void print_int( int x ) { | ^ main.cpp:59:31: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes] 59 | static inline void print_rest() { | ^ main.cpp:64:45: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes] 64 | bool calc_mvc( int node = 0, int father = 0 ) { | ^ main.cpp:75:10: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes] 75 | int main() { | ^