Write a C++ function that initializes all the elements of M × N matrix mat to 0.
What will be an ideal response?
for (int i = 0; i < M; ++i)
for (int j = 0; j < N; ++j)
mat[i][j] = 0;
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Elizabeth, the eager computer design technician, is trying to help a customer decide on a sound system. The customer is angry because (1 ) no sound is coming out of the home computer, (2 ) Elizabeth continues to ask whether he wants a 2.0 or 2.1 subsystem, and (3 ) the customer cannot remember where he placed his car keys as he was browsing components in the store. What advice would you give
Elizabeth for handling this customer. A) Apologize and help him find his keys. B) Tell the customer that because he doesn't know the difference between 2.0 and 2.1 to get the 2.1 subsystem because it will sound better to a guy. C) Ask the customer to bring the computer in to ensure that whatever is causing the sound issue now won't affect the upgrade. D) Be polite but firm with the customer and tell him that his behavior is unacceptable. E) Show empathy to the customer. Continue to ask open-ended questions about which sound system he wants.
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Answer the following statement true (T) or false (F)