Compilare: user.cpp: In function ‘int conv(int)’: user.cpp:26:34: warning: suggest parentheses around comparison in operand of ‘^’ [-Wparentheses] if((x%pow(2,s))^(k%pow(2,s)) == pow(2,s-1)) return 0; ^ user.cpp: In function ‘void solve()’: user.cpp:54:9: warning: unused variable ‘pr’ [-Wunused-variable] int pr=0, ul=-1, cnt=0; ^ user.cpp:54:15: warning: unused variable ‘ul’ [-Wunused-variable] int pr=0, ul=-1, cnt=0; ^ user.cpp:54:22: warning: unused variable ‘cnt’ [-Wunused-variable] int pr=0, ul=-1, cnt=0; ^