text: var XXX = function(height) {
      height.unshift(0)
      const biggerStack = [];
      const biggerIndex = [];
      let maxValue = 0;
      for(let i=0;i<height.length;i++){
          if(biggerStack.length==0){
              biggerIndex.push(i);
              biggerStack.push(height[i])
          }else{
              for(let j=0;j<biggerStack.length;j++){
                  let current = (i-biggerIndex[j])*Math.min(height[i],biggerStack[j]);
                  if(maxValue<current){
                      maxValue = current;
                  }
              }
              if(biggerStack[biggerStack.length-1]<height[i]){
                  biggerIndex.push(i);
                  biggerStack.push(height[i])
              }
          }
      }
      return maxValue;
  };
  
  