Compilare: main.cpp:2:47: warning: bad option '-f Ofast' to pragma 'optimize' [-Wpragmas] 2 | #pragma GCC optimize("O3, Ofast, unroll-loops") | ^ main.cpp:2:47: warning: bad option '-f unroll-loops' to pragma 'optimize' [-Wpragmas] main.cpp:16:26: warning: bad option '-f Ofast' to attribute 'optimize' [-Wattributes] 16 | void check_solution(int n) { | ^ main.cpp:16:26: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes] main.cpp:31:36: warning: bad option '-f Ofast' to attribute 'optimize' [-Wattributes] 31 | void submultimi(int position, int n) { | ^ main.cpp:31:36: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes] main.cpp:39:10: warning: bad option '-f Ofast' to attribute 'optimize' [-Wattributes] 39 | int main() { | ^ main.cpp:39:10: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes]