Compilare: main.cpp:1:58: warning: bad option '-f fast-math' to pragma 'optimize' [-Wpragmas] 1 | #pragma GCC optimize("O3, fast-math, Ofast, unroll-loops") | ^ main.cpp:1:58: warning: bad option '-f Ofast' to pragma 'optimize' [-Wpragmas] main.cpp:1:58: warning: bad option '-f unroll-loops' to pragma 'optimize' [-Wpragmas] main.cpp:21:31: warning: bad option '-f fast-math' to attribute 'optimize' [-Wattributes] 21 | int cb(int st, int dr, int val) | ^ main.cpp:21:31: warning: bad option '-f Ofast' to attribute 'optimize' [-Wattributes] main.cpp:21:31: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes] main.cpp:46:37: warning: bad option '-f fast-math' to attribute 'optimize' [-Wattributes] 46 | int32_t main(int argc, char * argv[]) | ^ main.cpp:46:37: warning: bad option '-f Ofast' to attribute 'optimize' [-Wattributes] main.cpp:46:37: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes]