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using System;
using System.Linq;
using System.Text;
namespace DSALib.Auxiliary {
public static class RandomMisc {
private static readonly Random Rand = new Random();
// use: 4w6 +4
public static string Roll(string input) {
var output = new StringBuilder();
var strings = input.Split('w', 'd').ToList();
var count = Convert.ToInt32(strings[0]);
strings = strings[1].Split(' ').ToList();
var d = Convert.ToInt32(strings[0]);
if (strings.Count > 0) {
}
var sum = 0;
for (var i = 0; i < count; i++) {
var roll = Dice.Roll(d);
sum += roll;
output.Append("[" + roll + "] ");
}
if (strings.Count > 1) {
sum += Convert.ToInt32(strings[1]);
output.Append("sum: " + sum);
}
return output.ToString();
}
public static double Random(double stdDev = 1, double mean = 0) {
var u1 = Rand.NextDouble(); // uniform(0,1) random doubles
var u2 = Rand.NextDouble();
var randStdNormal = Math.Sqrt(-2.0 * Math.Log(u1)) *
Math.Sin(2.0 * Math.PI * u2); // random normal(0,1)
var randNormal =
mean + stdDev * randStdNormal; // random normal(mean,stdDev^2)
return randNormal;
}
}
}
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