/in/foo.cc:23:2: warning: "/*" within comment [-Wcomment]
  /*for(l=1;l<=n;l++){
   
/in/foo.cc: In function 'int main()':
/in/foo.cc:34:26: warning: left operand of comma operator has no effect [-Wunused-value]
  for(i=1;i<=n;i++){a[i+1]>a[i],d=d+1;}
                    ~~~~~~^~~~~
/in/foo.cc:35:8: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
  if(d=n){
        ^