Compilare: user.cpp:6:9: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] int dp[1<<22+3]; ^ user.cpp: In function ‘int main()’: user.cpp:26:11: warning: unused variable ‘i’ [-Wunused-variable] int n,i,j,k,rnd,a,ans=0; ^ user.cpp:26:13: warning: unused variable ‘j’ [-Wunused-variable] int n,i,j,k,rnd,a,ans=0; ^ user.cpp:26:15: warning: unused variable ‘k’ [-Wunused-variable] int n,i,j,k,rnd,a,ans=0; ^ user.cpp:26:17: warning: unused variable ‘rnd’ [-Wunused-variable] int n,i,j,k,rnd,a,ans=0; ^