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9 votes
3 answers
9k views

How can I (algorithmically) count the number of ways n m-sided dice can add up to a given number?

I am trying to identify the general case algorithm for counting the different ways dice can add to a given number. For instance, there are six ways to roll a seven with two 6-dice. I've spent quite ...
dimo414's user avatar
  • 557
4 votes
1 answer
2k views

Expected value when die is rolled $N$ times

Suppose we have a die with $K$ faces with numbers from 1 to $K$ written on it, and integers $L$ and $F$ ($0 < L \leq K$). We roll it $N$ times. Let $a_i$ be the number of times (out of the $N$ ...
mat7's user avatar
  • 235
1 vote
1 answer
65 views

Expected cost of algorithm based on hypergeometrical distribution

I am having an algorithm which cost I want to determine, but I am having trouble to do so. In order to do so, I tried to break it down to a well known scenario, to be able to communicate the issue: ...
Make42's user avatar
  • 1,131
0 votes
1 answer
46 views

Positive bit count of the $S(n):=\sum_{i=1}^{n} 2^{(i-1)}$ always $n$?

From a discussion on a stack about the programing, I got the following mathematical Conjectures: Conjectures: Let n,m be positive integer, $S(n)$ and $CountPosbit(m)$ be as follows. $S(n):=\sum_{i=1}...
Blue Various's user avatar