Computer Programming for Teens phần 2 ppsx

... 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 26 <¼ 27 False 26 is less than or equal to 27 Finally computer languages provide an operator ... groups. 20 42 13 1, 475 23 4 0 14. 62 58 1 3 À5.76 0 .21 3 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...

Ngày tải lên: 10/08/2014, 12:21

... About Fun_With_Nums 12. 4, 5, 8, 4 .2 What the function does: (adds, multiplies, and subtracts multiplication will be first.) 12. 4 þ 5*8À 4 .2) 12. 4 þ 40 À 4 .2 52. 4 À 4 .2 ) 48 .2 ) real Square 6 What ... odd. You will not see 20 on the screen because the loop is exited before 20 is used in the body of the loop. Recall that the boolean condition was x < 20 . Once x hits 20 ,...

Ngày tải lên: 10/08/2014, 12:21

... . . . 22 2 Chapter 14 But What If Things Are Different? Structures, Records, and Fields 22 3 In This Chapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 3 Beyond ... again?"; for (x = 0; x < 25 0; xþþ) { cout << first_phrase << endl; } return 0; } Programming 15 How This Book Is Organized Computer Programming for Teens is...

Ngày tải lên: 10/08/2014, 12:21

... how it is used in programming. 28 mod 14 is 0 because there is no remainder. 1 72 mod 35 is 32 because 1 72 7 35 ¼ 4 with a remainder of 32. 1943 mod 7 is 4 because 1943 7 7 ¼ 27 7 with a remainder ... the last example, 28 is > 12 but 28 is not < 20 , so true and false produces false. Tip The logic operator and has to have all relational expressions around it to be true for...

Ngày tải lên: 10/08/2014, 12:21

... = 24 ; x %2= =0//is24 %2= =0? + 24 % 2 + 0==0 + true (Therefore, x is an even number.) int x; x = 17; x %2= =0//is17 %2= =0? + 17 % 2 + 1==0 + false (Therefore, x is not even and so must be odd.) 1 02 ... number (2) on the screen. After that, x changes from 2 to 3. This pattern continues. See Figure 7.10. Example 2 In a second example utilizing a for loop, let’s look at a list of...

Ngày tải lên: 10/08/2014, 12:21

... this: phone_book [0] = "641 -22 22& quot;; phone_book [1] = " 123 -4567"; phone_book [2] = "654 -23 45"; phone_book [3] = " ;23 4-4567"; phone_book [4] = "890- 123 4"; . . . phone_book ... contains. Member Value phone_book [0] ‘‘555 -22 22 ’ phone_book [1] ‘‘555-4567’’ phone_book [2] ‘‘555 -23 45’’ 178 Chapter 10 n Running Out of Holders? It’s Time...

Ngày tải lên: 10/08/2014, 12:21

... Matrix 21 1 Col 1 Col 2 Col 3 Col 4 Row 2 group [2] [1] group [2] [2] group [2] [3] group [2] [4] Data inside 10 10 10 10 If we were to load the row manually, it would look like this: Row Col group [2] [1] ... value 21 22 23 24 So what happens is the outer loop holds its value, while the inner loop spins through all its values. The entire execution of both loops looks like this: xy...

Ngày tải lên: 10/08/2014, 12:21

... always this, is optional. 24 6 Chapter 15 n Objects and Classes: Being Organized Is Better Than Not Jim Collins 456 -23 45 Jane Austen 23 4-8765 William Shakespeare 789-1564 Mark Holden 456- 123 4 Closing a File The ... 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 stor...

Ngày tải lên: 10/08/2014, 12:21

... now. 32 12 5 18 31 4 25 7 one half ignore this half for now 29 2 Chapter 19 n Let’s Put Things in Order: Sorting list [2] = 32; list[3] = 19; list[4] = 18; list[5] = 12; list[6] = 5; list[7] = 2; list[8] ... two quarters on the right side: 5 121 8 32 31 425 7 ignore this half third quarter, fourth quarter 5 121 8 32 31 4 25 7 ignore this half four individual elements 29 4 Chapt...

Ngày tải lên: 10/08/2014, 12:21

... 22 8 defining, 22 7, 23 3 definition at top of program, 23 3 23 4 field of, 22 5 identity type, 22 7 information about CD, 23 1 location type, 22 7 Student matrix, 20 0, 20 2 20 3 student object, 23 8, 24 0, 24 4 substring ... pointer, 25 4 line marker, 25 6 opening, 25 1 25 2 organizing file through markers, 24 9 25 0 out stream, 25 1 25 2 reading from, 24 8, 25 0 25 2 separa...

Ngày tải lên: 10/08/2014, 12:21