Compilare: main.cpp:1: warning: ignoring '#pragma gcc optimize' [-Wunknown-pragmas] 1 | #pragma gcc optimize("O1") | main.cpp:2: warning: ignoring '#pragma gcc optimize' [-Wunknown-pragmas] 2 | #pragma gcc optimize("O2") | main.cpp: In function 'int F(int)': main.cpp:36:22: warning: 'max1' may be used uninitialized in this function [-Wmaybe-uninitialized] 36 | int col1=max1-lung+1,col2=max1; | ~~~~^~~~~