for(int i = 1 ; i < n  ;i++){ //forward track
        if(arr[i] > arr[i-1]){
            dp[i] = dp[i] + dp[i-1]; 
        }
    }

    for(int i = n-2 ; i >= 0 ; i--){ // back track
        if(arr[i] > arr[i+1] && dp[i] <= dp[i+1]){
            dp[i] = dp[i+1] + 1;
        }
    }

    its 22 ..