Compilare: main.cpp:2: warning: ignoring '#pragma GCC warn' [-Wunknown-pragmas] 2 | #pragma GCC warn -xxx | 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:21:10: warning: bad option '-f fast-math' to attribute 'optimize' [-Wattributes] 21 | void gen() | ^ main.cpp:21:10: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes] main.cpp:21:10: warning: bad option '-f Ofast' to attribute 'optimize' [-Wattributes] main.cpp:28:75: warning: bad option '-f fast-math' to attribute 'optimize' [-Wattributes] 28 | void solve(ll a1, ll b1, ll a2, ll b2, ll lin, ll col, ll &val, ll &putere) | ^ main.cpp:28:75: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes] main.cpp:28:75: warning: bad option '-f Ofast' to attribute 'optimize' [-Wattributes] main.cpp:96:37: warning: bad option '-f fast-math' to attribute 'optimize' [-Wattributes] 96 | int32_t main(int argc, char * argv[]) | ^ main.cpp:96:37: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes] main.cpp:96:37: warning: bad option '-f Ofast' to attribute 'optimize' [-Wattributes]