Compilare: main.cpp:3: warning: ignoring '#pragma optimize GCC' [-Wunknown-pragmas] 3 | #pragma optimize GCC ("Ofast") | main.cpp: In function 'void precompute()': main.cpp:23:51: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] 23 | if(__builtin_popcount(mask)==1<<__lg(mask)-1) | ~~~~~~~~~~^~ main.cpp:37:31: warning: suggest parentheses around arithmetic in operand of '|' [-Wparentheses] 37 | if(dp[mask^(1<<i)|(1<<bitpoz)]==false) | ~~~~^~~~~~~ main.cpp: In function 'int main()': main.cpp:58:20: warning: unused variable 'kon' [-Wunused-variable] 58 | int mask=0,kon=0; | ^~~ main.cpp:53:13: warning: unused variable 'j' [-Wunused-variable] 53 | int n,i,j,s=0; | ^