Compilare: main.cpp:1:58: warning: bad option '-f fast-math' to pragma 'optimize' [-Wpragmas] 1 | #pragma GCC optimize("O3, fast-math, unroll-loops, Ofast") | ^ main.cpp:1:58: warning: bad option '-f unroll-loops' to pragma 'optimize' [-Wpragmas] main.cpp:1:58: warning: bad option '-f Ofast' to pragma 'optimize' [-Wpragmas] main.cpp:10:14: warning: bad option '-f fast-math' to attribute 'optimize' [-Wattributes] 10 | int lsb(int x) | ^ main.cpp:10:14: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes] main.cpp:10:14: warning: bad option '-f Ofast' to attribute 'optimize' [-Wattributes] main.cpp:21:27: warning: bad option '-f fast-math' to attribute 'optimize' [-Wattributes] 21 | bool ancestor(int a, int b) | ^ main.cpp:21:27: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes] main.cpp:21:27: warning: bad option '-f Ofast' to attribute 'optimize' [-Wattributes] main.cpp:26:29: warning: bad option '-f fast-math' to attribute 'optimize' [-Wattributes] 26 | void update(int poz, int val) | ^ main.cpp:26:29: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes] main.cpp:26:29: warning: bad option '-f Ofast' to attribute 'optimize' [-Wattributes] main.cpp:32:18: warning: bad option '-f fast-math' to attribute 'optimize' [-Wattributes] 32 | int query(int poz) | ^ main.cpp:32:18: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes] main.cpp:32:18: warning: bad option '-f Ofast' to attribute 'optimize' [-Wattributes] main.cpp:40:27: warning: bad option '-f fast-math' to attribute 'optimize' [-Wattributes] 40 | void dfs(int nod, int tata) | ^ main.cpp:40:27: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes] main.cpp:40:27: warning: bad option '-f Ofast' to attribute 'optimize' [-Wattributes] main.cpp:58:20: warning: bad option '-f fast-math' to attribute 'optimize' [-Wattributes] 58 | int findanc(int nod) | ^ main.cpp:58:20: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes] main.cpp:58:20: warning: bad option '-f Ofast' to attribute 'optimize' [-Wattributes] main.cpp:71:37: warning: bad option '-f fast-math' to attribute 'optimize' [-Wattributes] 71 | int32_t main(int argc, char * argv[]) | ^ main.cpp:71:37: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes] main.cpp:71:37: warning: bad option '-f Ofast' to attribute 'optimize' [-Wattributes]