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Chapter 8: Problem 19

When a two-dimensional array is passed to a function, the number of ______ must be specified.

Short Answer

Expert verified
Answer: The number of columns must be specified.

Step by step solution

01

Identify the required aspect

When a two-dimensional array is passed to a function, the number of columns must be specified.
02

Explain the reasoning

The number of columns is required because, in memory, a two-dimensional array is stored as a contiguous block of elements, with each row being stored sequentially. Specifying the number of columns allows the function to navigate and access elements of the array correctly, distinguishing between different rows and columns as it processes the array.

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Most popular questions from this chapter

To print out all elements of a two-dimensional array you would normally use a ______ loop.

Use the following Car structure declaration to answer questions \(28-30\). struct Car string make model: Int year: double cost: // Constructors \(\operatorname{Car}()\) { make \(=\) model \(=" " ;\) year \(=\cos t=0: 1\) } Car(string mk, string md. int yr, double c) { make \(=\) whe model \(=\) ind : year \(=y r ; \quad \cos t=c: 1\)} Define an array named for Sale that holds 35 Car structures. Initialize the first three elements with the following data: $$\begin{array}{llll} \text { Make } & \text { Model } & \text { Year } & \text { cost } \\ \text { Ford } & \text { Taurus } & 2002 & \$ 21,000 \\ \text { Honda } & \text { Accord } & 2001 & \$ 11,000 \\ \text { Jeep } & \text { Wrangler } & 2004 & \$ 24,00000 \end{array}$$

To pass an array to a function, pass the _______ of the array.

A weather analysis program uses the following array to store the temperature for each hour of the day on each day of a week. int temp [7][24] Each row represents a day \((0=\text { Sunday, } 1=\text { Monday, etc. })\) and each column represents a time \((0=\text { midnight, } 1=1 \text { a.m. }, \ldots, 12=\text { noon, } 13=1 \text { p.m., etc. })\) A) Write code to find Tuesday's average temperature. B) Write code to find the average weekly noon temperature.

If the size declarator of an array definition is omitted, \(C++\) counts the number of items in the ______ to determine how large the array should be.
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