Computer Programming for Teens phần 7 pdf

... a Record Before you define a record, you need to think of a good name for the record’s contents. Let’s name our record individual for the information we just men- tioned. The syntax for declaring ... gears. So for each outer gear, we used five different choices for the inner gear. Let’s summarize what the different possibilities for each gear were: Outer Inner hill 1,2,3,4,5 flat 1,2...

Ngày tải lên: 10/08/2014, 12:21

... how it is used in programming. 28 mod 14 is 0 because there is no remainder. 172 mod 35 is 32 because 172 7 35 ¼ 4 with a remainder of 32. 1943 mod 7 is 4 because 1943 7 7 ¼ 277 with a remainder ... remainder of 4. 18 mod 17 is 1 because 18 7 17 ¼ 1 with a remainder of 1. In each case, the number to be divided is of greater value than the one it is being divided by (the divisor...

Ngày tải lên: 10/08/2014, 12:21

... that again?"; for (x = 0; x < 250; xþþ) { cout << first_phrase << endl; } return 0; } Programming 15 How This Book Is Organized Computer Programming for Teens is organized ... . . . . 170 Chapter 10 Running Out of Holders? It’s Time for the Array 173 In This Chapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173 An Analogy...

Ngày tải lên: 10/08/2014, 12:21

... 42 13 1, 475 À234 0 14.62 58 1 3 À5 .76 0.213 17. 36 8.0 A Place to Put Data One of the computer s most treasured assets is its capacity to store and manipulate information. Data (plural for datum) ... to) operators. Operation Result 57 <¼ 69 True 57 is less than or equal to 69 12.5 >¼ 12.5 True 12.5 is greater than or equal to 12.5 À26 <¼À 27 False À26 is less than or equal...

Ngày tải lên: 10/08/2014, 12:21

... 2 + 0==0 + true (Therefore, x is an even number.) int x; x = 17; x%2==0//is 17% 2==0? + 17 % 2 + 1==0 + false (Therefore, x is not even and so must be odd.) 102 Chapter 6 n True or False: The Basis for All Decisions else cout ... number of attempts. See Figure 7. 5. 110 Chapter 7 n Loops, or How to Spin Effectively! Figure 7. 4 Each programming statement is shown enclosed by a loop...

Ngày tải lên: 10/08/2014, 12:21

... intentionally left blank In computer programming terms, a function is a separate body of code that performs some task. T hink of it as a machine that has certain instructions to perform usually on a variable ... information about what kinds of values we can expect to see sent into this function. Note Think of the word ‘‘parameter’’ in English. It usually means a boundary or restriction....

Ngày tải lên: 10/08/2014, 12:21

... Draw 1 67 phone_book [3] ‘‘555-45 67 ’ phone_book [4] ‘‘555-1234’’ phone_book [31] ‘‘555-5 678 ’’ phone_book [32] ‘‘555- 678 9’’ phone_book [33] ‘‘555-9 876 ’’ phone_book [34] ‘‘555-45 67 ’ We have ... "345-5 678 " ; phone_book [32] = "5 67- 678 9"; phone_book [33] = "345-9 876 "; phone_book [34] = "432-45 67& quot;; Why Is the Array Used? 179 Both t...

Ngày tải lên: 10/08/2014, 12:21

... focus object-oriented programming. Example Think of a student object that you might design for a school computer system. You would want the student object to have storage for a name, address, ... needs this information, we will force it to call a method to get that information rather than being able to know the gpa right away. Figure 15.1 is an example of a class definition for a stu...

Ngày tải lên: 10/08/2014, 12:21

... 502 503 74 8 74 9 75 0 75 1 9 97 998 999 (the middle of that subsection of the array) A vertical representation of the array: list[500] list[501] list[502] list[503] . . . list [74 8] list [74 9] // the ... they are. We need to use a loop to save some time in our programming. Let’s use a for loop to hit all the members of the array. for (int x = 0; x < 7; x = x þ 1) { if ( colle...

Ngày tải lên: 10/08/2014, 12:21

... 273 arrays, 278 –281 eliminating half of array, 280–281 examining middle of list, 276 – 277 finding middle of array, 279 –280 methodically looking for number, 274 – 275 moving to right or to left, 278 numbers ... 65 searching for value in array, 270 for value not in array, 271 second_num variable, 1 47 149 second_val variable, 60 selection sort finding minimum, 2 87 292 parts of, 2...

Ngày tải lên: 10/08/2014, 12:21