Compilare: user.cpp: In function ‘int main()’: user.cpp:8:27: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] int n,i,j,s=0,k,mx=-(1<<31-1),a,b; ^ user.cpp:42:28: warning: ‘b’ may be used uninitialized in this function [-Wmaybe-uninitialized] out<<mx<<" "<<a<<" "<<b; ^ user.cpp:42:19: warning: ‘a’ may be used uninitialized in this function [-Wmaybe-uninitialized] out<<mx<<" "<<a<<" "<<b; ^