/in/foo.cc: In function 'bool cmp(DA, DA)':
/in/foo.cc:5:64: error: expected ';' before '}' token
 bool cmp(DA a,DA b){ return a.h>b.h || (a.h==b.h && a.id<b.id) }
                                                                ^
/in/foo.cc: In function 'int main()':
/in/foo.cc:18:10: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses]
        if(k>1 && h[k-1]>=h[k])
          ^
/in/foo.cc:21:10: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses]
        if(k<n && h[k+1]>=h[k])
          ^