/in/foo.cc: In function 'void getaim(int, int&, int&)':
/in/foo.cc:35:19: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   if(v<h1 || v==h1&&a1[i]<h[c1]){
              ~~~~~^~~~~~~~~~~~~
/in/foo.cc:40:25: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   }else if(v<h2 || v==h2&&a1[i]<h[c2]){
                    ~~~~~^~~~~~~~~~~~~
/in/foo.cc: In function 'void work1(ll)':
/in/foo.cc:123:13: warning: integer overflow in expression [-Woverflow]
  double pi=2*inf;
             ^
/in/foo.cc:122:8: warning: unused variable 'p' [-Wunused-variable]
  int i,p,ans=1,flag=0;
        ^