TORONTO KIDS COMPUTER CLUB | Uncategorized
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21 Aug PMCA Sunday 10:00 Practice -08.15

Question: You’re typing a long text with a broken keyboard. Well it’s not so badly broken. The only problem with the keyboard is that sometimes the “home” key or the “end” key gets automatically pressed (internally). You’re not aware of this issue, since you’re focusing on the...

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13 Aug PMCA Sunday 10:00 Practice -08.08

Question: Suppose you have to evaluate an expression like A*B*C*D*E where A,B,C,D and E are matrices. Since matrix multiplication is associative, the order in which multiplications are performed is arbitrary.  However, the number of elementary multiplications needed strongly depends on the evaluation order you choose. For example,...

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