calculateSpan(price, n)
    { var ans=[];
   
       var stack=[];
     for(var i=0;i<n;i++)
        { if(stack.length==0)
        ans.push(-1);
        else if(stack.length>0 && stack[stack.length-1][0]>price[i])
            { ans.push(stack[stack.length-1][1])
                
            }
            else if(stack.length>0 && stack[stack.length-1][0]<=price[i])
          { while(stack.length>0 && stack[stack.length-1][0]<=price[i])
              { stack.pop()
              }
              if(stack.length==0)
        ans.push(-1);
         else  { ans.push(stack[stack.length-1][1])
            
        }
           
      
        } stack.push([price[i],i]);
        }
      for(var i=0;i<n;i++)
      { ans[i]=i-ans[i]
          
      }
       return ans;
    }