function largestRectangle(h) {
    let largest = 0;
    let n = h.length;
    
    
    for(let i = 0; i < n ; i++){
        let counter = 1;
        for(let j = i - 1; j >= 0 ; j--){
            if(j < 0 || h[j] < h[i]){
              break;
            }
           
            counter++;
        }
        console.log(h[i] + ' : ' + counter);
        let temp = i + 1;
        while(h[temp] >= h[i] && i < n){
            counter++;
            temp++;
        }
        if(h[i] * counter > largest)
        largest = h[i] * counter;
    }
    return largest;
}