/in/foo.cc: In function 'int main()':
/in/foo.cc:12:34: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
    if(cj[im]<cj[j]||cj[im]==cj[j]&&hm[im]>hm[j]){
                     ~~~~~~~~~~~~~^~~~~~~~~~~~~~
/in/foo.cc:11:3: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   for(int j=i+1;j<=n;j++)
   ^~~
/in/foo.cc:15:4: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
    swap(cj[i],cj[im]);
    ^~~~