Compilare: user.cpp: In function ‘int main()’: user.cpp:37:21: warning: suggest parentheses around comparison in operand of ‘^’ [-Wparentheses] if(s[i]^s[y]>b) b=s[i]^s[y],st=y+1,dr=i; ^ user.cpp:40:27: warning: ‘dr’ may be used uninitialized in this function [-Wmaybe-uninitialized] out<<b<<' '<<st<<' '<<dr<<'\n'; ^ user.cpp:40:18: warning: ‘st’ may be used uninitialized in this function [-Wmaybe-uninitialized] out<<b<<' '<<st<<' '<<dr<<'\n'; ^