Tuesday, June 5, 2007

Question 3

The function Random(n) is a function which returns an integer between 0 and n-1 with uniform probability. When the following series of operations is executed for the integer type variables A, B and C, what is the probability that C will be 0?

A = Random(10);
B = Random(10);
C = A - B;

a
1
b
1
c
1
d
1
100 20 10

answer

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