Compilare: user.cpp: In function ‘int Query(int, int)’: user.cpp:4:17: warning: suggest parentheses around ‘-’ in operand of ‘&’ [-Wparentheses] #define len(x) x&(-x) ^ user.cpp:40:13: note: in expansion of macro ‘len’ { if ((i-len(i))<x-1) { res+=ap[i]; i--;} ^ user.cpp: In function ‘void Solve()’: user.cpp:52:9: warning: unused variable ‘j’ [-Wunused-variable] { int i,j,num,res=0,p,act=1; ^ user.cpp:52:11: warning: unused variable ‘num’ [-Wunused-variable] { int i,j,num,res=0,p,act=1; ^ user.cpp:52:15: warning: unused variable ‘res’ [-Wunused-variable] { int i,j,num,res=0,p,act=1; ^ user.cpp:52:21: warning: unused variable ‘p’ [-Wunused-variable] { int i,j,num,res=0,p,act=1; ^