Computer Science: A Structured Programming Approach Using C1 8-7 Two-Dimensional Arrays The arrays we have discussed so far are known as one- dimensional.

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Computer Science: A Structured Programming Approach Using C1 8-7 Two-Dimensional Arrays The arrays we have discussed so far are known as one- dimensional arrays because the data are organized linearly in only one direction. Many applications require that data be stored in more than one dimension. One common example is a table, which is an array that consists of rows and columns. Declaration Passing A Two-Dimensional Array Topics discussed in this section:

Computer Science: A Structured Programming Approach Using C2 FIGURE 8-34 Two-dimensional Array

Computer Science: A Structured Programming Approach Using C3 FIGURE 8-35 Array Of Arrays

Computer Science: A Structured Programming Approach Using C4 PROGRAM 8-15Fill Two-dimensional Array

Computer Science: A Structured Programming Approach Using C5 FIGURE 8-36 Memory Layout

Computer Science: A Structured Programming Approach Using C6 PROGRAM 8-16Convert Table to One-dimensional Array

Computer Science: A Structured Programming Approach Using C7 PROGRAM 8-16Convert Table to One-dimensional Array

Computer Science: A Structured Programming Approach Using C8 FIGURE 8-37 Passing a Row

Computer Science: A Structured Programming Approach Using C9 FIGURE 8-38 Calculate Average of Integers in Array

Computer Science: A Structured Programming Approach Using C10 FIGURE 8-39 Example of Filled Matrix

Computer Science: A Structured Programming Approach Using C11 PROGRAM 8-17Fill Matrix

Computer Science: A Structured Programming Approach Using C12 PROGRAM 8-17Fill Matrix

Computer Science: A Structured Programming Approach Using C Multidimensional Arrays Multidimensional arrays can have three, four, or more dimensions. The first dimension is called a plane, which consists of rows and columns. The C language considers the three-dimensional array to be an array of two-dimensional arrays. Declaring Multidimensional Arrays Topics discussed in this section:

Computer Science: A Structured Programming Approach Using C14 FIGURE 8-40 A Three-dimensional Array (3 x 5 x 4)

Computer Science: A Structured Programming Approach Using C15 FIGURE 8-41 C View of Three-dimensional Array

Computer Science: A Structured Programming Approach Using C Programming Example— Calculate Averages We previously introduced the programming concept known as incremental development. In this chapter we develop an example—calculate average—that contains many of the programming techniques. First Increment: mainYour First C Second Increment: Get Data Third Increment: Calculate Row Averages Fourth Increment: Calculate Column Averages Fifth Increment: Print Tables Topics discussed in this section:

Computer Science: A Structured Programming Approach Using C17 FIGURE 8-42 Data Structures For Calculate Row–Column Averages

Computer Science: A Structured Programming Approach Using C18 PROGRAM 8-18Calculate Row and Column Averages: main

Computer Science: A Structured Programming Approach Using C19 PROGRAM 8-19Calculate Row and Column Averages: Get Data

Computer Science: A Structured Programming Approach Using C20 PROGRAM 8-19Calculate Row and Column Averages: Get Data

Computer Science: A Structured Programming Approach Using C21 PROGRAM 8-19Calculate Row and Column Averages: Get Data

Computer Science: A Structured Programming Approach Using C22 PROGRAM 8-19Calculate Row and Column Averages: Get Data

Computer Science: A Structured Programming Approach Using C23 PROGRAM 8-20Calculate Row and Column Averages: Row Averages

Computer Science: A Structured Programming Approach Using C24 PROGRAM 8-20Calculate Row and Column Averages: Row Averages

Computer Science: A Structured Programming Approach Using C25 PROGRAM 8-20Calculate Row and Column Averages: Row Averages

Computer Science: A Structured Programming Approach Using C26 PROGRAM 8-20Calculate Row and Column Averages: Row Averages

Computer Science: A Structured Programming Approach Using C27 PROGRAM 8-20Calculate Row and Column Averages: Row Averages

Computer Science: A Structured Programming Approach Using C28 The efficiency of the bubble sort is O(n 2 ). Note

Computer Science: A Structured Programming Approach Using C29 The efficiency of the selection sort is O(n 2 ). Note

Computer Science: A Structured Programming Approach Using C30 The efficiency of the insertion sort is O(n 2 ). Note

Computer Science: A Structured Programming Approach Using C31 The efficiency of the sequential search is O(n). Note

Computer Science: A Structured Programming Approach Using C32 The efficiency of the binary search is O(logn). Note

Computer Science: A Structured Programming Approach Using C33 Table 8-4 Comparison of binary and sequential searches