Computer Programming for Teens phần 5 ppsx

... move. MoveTo ( 45, 50); /* this call will cause us to move to row 45 and column 50 on the grid.*/ MoveTo (5, 5); /* this call will cause us to move back up to the upper left corner of the screen. */ 154 Chapter ... function. LineTo (20, 25) ; In the example, a line will be drawn from our present position (5, 5) to the new position (20, 25) as specified by the call to the LineTo function. He...

Ngày tải lên: 10/08/2014, 12:21

... 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 <¼À27 False À26 is less than or equal to À27 Finally computer languages ... < 16 True 15 is less than 16 À13 > 100 False À13 is greater than 100 25 ¼¼ 25 True 25 is equal to 25 35 ¼¼ 4 False 35 is equal to 4 In addition...

Ngày tải lên: 10/08/2014, 12:21

... 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 into chapters, ... and speed of programming. 4. Press menu button on remote control. 5. Press power button of VCR. 6. Check for red light on VCR. Programming Now we are ready to discuss t...

Ngày tải lên: 10/08/2014, 12:21

... what happens when you use negatives with the mod operator. A Powerful Operator for Any Computer Language: Mod 55 Figure 3.2 Each equation is a long division problem where the remainder is what ... accomplished without some sort of decision-making ability in a programming language. 72 Chapter 4 n Programming: It’s Now or Never > 5 although À 65 is < 20, but the entire statemen...

Ngày tải lên: 10/08/2014, 12:21

... before exiting, the message is printed again and y becomes 5. Then the number 5 (the value in y) is compared with 5 (the upper limit). This comparison triggers an exit from the loop because 5 ... involve a decision, but for the computer, it involves a lot of decisions. When you enter a password at an ATM, the computer must match your entered password with the information obtained...

Ngày tải lên: 10/08/2014, 12:21

... 167 phone_book [3] ‘ 55 5- 456 7’’ phone_book [4] ‘ 55 5-1234’’ phone_book [31] ‘ 55 5 -56 78’’ phone_book [32] ‘ 55 5-6789’’ phone_book [33] ‘ 55 5-9876’’ phone_book [34] ‘ 55 5- 456 7’’ We have only ... contains. Member Value phone_book [0] ‘ 55 5-2222’’ phone_book [1] ‘ 55 5- 456 7’’ phone_book [2] ‘ 55 5-23 45 ’ 178 Chapter 10 n Running Out of Holders? It’s Time for the Array Our...

Ngày tải lên: 10/08/2014, 12:21

... statements inside the x loop are the body of the y loop. xy 3 31 32 33 34 5 4 41 42 43 44 5 5 51 52 Nested For Loops 209 53 54 cout << average << endl; cout << "The average ... group [1][4] Data inside 55 55 If we were to load the row manually, we would have to write this code: Row Col group[1][1] = 5; group[1][2] = 5; group[1][3] = 5; group[1][4] =...

Ngày tải lên: 10/08/2014, 12:21

... this list of friends with phone numbers: Carl Brady 55 5-1234 Marlo Jones 789-0123 Jason Argonaut 888- 456 7 Jim Collins 456 -23 45 Jane Austen 234-87 65 The text file should be thought of as a large piece ... optional. 246 Chapter 15 n Objects and Classes: Being Organized Is Better Than Not Jim Collins 456 -23 45 Jane Austen 234-87 65 William Shakespeare 789- 156 4 Mark Holden 456 -1234...

Ngày tải lên: 10/08/2014, 12:21

... are examining: 50 0 50 1 50 2 50 3 748 749 750 751 997 998 999 (the middle of that subsection of the array) A vertical representation of the array: list [50 0] list [50 1] list [50 2] list [50 3] . . . list[748] list[749] ... 279 Computer : Let’s assume that 5 is the smallest number. Let’s get the next number from the list a 1 2. Is 12 less than 5? No. So 5 is still the smallest....

Ngày tải lên: 10/08/2014, 12:21

... 247–248 accessing contents, 253 – 254 accessing values, 252 – 253 adding values to end, 256 – 257 closing, 257 creation, 249 data, 249 displaying contents on-screen, 253 – 254 elementary commands, 254 – 257 eof (end of ... marker, 250 eoln (end of line) marker, 250 imaginary pointer, 254 line marker, 256 opening, 251 – 252 organizing file through markers, 249– 250 out stream, 251...

Ngày tải lên: 10/08/2014, 12:21