<div>Farmer John commanded his cows to search for different sets of numbers that sum to a given number.</div> <div>The cows use only numbers that are an integer power of 2. Here are the possible sets of numbers that</div> <div>sum…

<p>Your job is to find out the secret number hidden in a matrix, each of whose element is a digit ('0'-'9') or a letter ('A'-'Z'). You can see an example matrix in Figure 1.&nbsp;</p> <p>&nbsp;<img width="497" height="337" alt="" s…

<div>A list is a sequence of or more elements, expressed in this form: [a 1 , a 2 , a 3 , ... , a n ], where each a i</div> <div>is or more consecutive digits or lowercase letters. i.e. each list begins with a left square bracket,</div>…

<div>A lot of people have played fortune Test(or called RP Test) before. Let &rsquo; s create a new Test below.</div> <div>Suppose the worth of a=1, b=4,c=9 &hellip; and z=26^2. Then abc can describe as 149,and abd describe as</div…

<div>Diamond mine is a mini-game which is played on an 8 * 8 board as you can see below.</div> <div><img width="219" height="213" alt="" src="/admin/../upload/pimg1015_1.png" /></div> <div><img width="0" height="0" alt=""…

<div>Chicken and rabbits are in a same cage. As we all know, chicken has two legs but rabbit has four. Now</div> <div>we know the number of legs in the cage is A, please tell me how many animals may in the cage at least</div> <div>…