C # Lottery algorithm

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Static voidMain (string[] args) {            //The probability of each item is stored in the array .            float[] area =New float[4]{                0.5f,                0.5f,                0,                0            }; //One-time test//Console.WriteLine (Get (area)); //Batch Test            int[] result =New int[4]{                0,                0,                0,                0            };  for(inti =0; I <1770000; i++)//in order to be more convenient than the results, the number of cycles here is 1000 times times the total probability            {                intn = Get (area);//results of the lotteryresult[n]++;//number of counts drawn} Console.WriteLine ("Results:"); foreach(intTimesinchresult)            {Console.WriteLine (times);        } console.readline (); }        /// <summary>        ///Get lottery Results/// </summary>        /// <param name= "prob" >The probability of the extraction of each item</param>        /// <returns>Returns the position of the array in which the item was pumped</returns>        Private Static intGet (float[] prob) {            intresult =0; intn = (int) (prob. Sum () * +);//calculate the sum of probabilities and magnify 1000 times timesRandom r =NewRandom (); floatx = (float) R.next (0, N)/ +;//randomly generated numbers for the sum of 0~ probabilities             for(inti =0; I < prob. Count (); i++)            {                floatPre = prob. Take (i). Sum ();//interval Lower bound                floatNext = prob. Take (i +1). Sum ();//upper bounds of interval                if(x >= pre && x < next)//if within that interval, the return result exits the loop{result=i;  Break; }            }            returnresult; }

C # Lottery algorithm