BlinkoWang

from __future__ import division


def P(n, x, y, z):
    if n == 0:
        return int(x == 12 and y == 2 and z == 2)
    elif n > 0:
        if y == 0 and z == 0:
            return P(n - 1, x + 1, 0, 0) + 1 / 2 * (P(n - 1, x, 1, 0) + P(n - 1, x, 0, 1))
        elif x == 0 and z == 0:

BlinkoWang

import android.content.Context;
import android.graphics.drawable.Drawable;
import android.support.v4.content.ContextCompat;
import android.support.v4.graphics.drawable.DrawableCompat;

import android.text.Editable;
import android.text.TextWatcher;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.view.View;

BlinkoWang

import android.content.Context;
import android.support.annotation.UiThread;
import android.util.AttributeSet;
import android.view.View;
import android.view.ViewGroup;
import android.view.accessibility.AccessibilityEvent;
import android.view.accessibility.AccessibilityNodeInfo;
import android.widget.TextView;

import java.util.ArrayList;

BlinkoWang

    /**
     *                          SI         BINARY
     * 0:                       0 B        0 B
     * 27:                      27 B       27 B
     * 999:                     999 B      999 B
     * 1000:                    1.0 kB     1000 B
     * 1023:                    1.0 kB     1023 B
     * 1024:                    1.0 kB     1.0 KiB
     * 1728:                    1.7 kB     1.7 KiB
     * 110592:                  110.6 kB   108.0 KiB