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Software testing

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Find out if two linked lists are joined or not

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Sums Congruent to Zero

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Magic Prime Circle

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Random walk on a sphere

* Tradeoff between time spent in testing a product and getting into the market first.

* What to test for given that there is not enough time to test everything ...

Tags: software_engineering testing

Given pointers to two single-linked list, find out if they are joined and at which node they are joined. Use constant space to solve this and assume that the nodes ...

Show that every sequence of 2n - 1 natural numbers contains n terms whose sum is divisible by n. Show also that the assertion is false if 2n - 1 ...

You are asked to arrange the 20 numbers from 1 to 20 in a circle such that any adjacent two numbers sum to a prime number.

Here is ...

A guy starts walking from position x_0 on earth (we treat earth as a sphere

with radius R). He randomly chooses a direction and walk 1 meter (this is

the ...

Tags: random_walk brownian_motion