Computer Programming for Teens phần 3 pdf

... you 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 . 19 43 mod 7 is 4 because 19 43 7 7 ¼ 277 with a remainder ... the not operator changes the value from true to false. val ¼ 35 ; ! (val > 23 && val < 30 ) 35 > 23 && 35 < 30 (true and false) + false not false...

Ngày tải lên: 10/08/2014, 12:21

... that the 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 ... 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 ,3, 4,5 For each out...

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 ... . . . . . . . . 31 0 Glossary 31 1 Index 32 1 This page intentionally left blank 3. Compare the third numbe r with the number that’s left. 4. Discard the bigger number from step 3....

Ngày tải lên: 10/08/2014, 12:21

... groups. À20 42 13 1, 475 À 234 0 14.62 58 1 3 À5.76 0.2 13 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) ... room 3 XNO You take out the garbage and you clean your room X 3 NO You take out the garbage and you clean your room 33 YES 48 Chapter 3 n Everything You Ever Wanted t...

Ngày tải lên: 10/08/2014, 12:21

... values: true or false. The computer will choose between true and false—and that’s it! The computer always chooses true. Through the use of a special programming statement, the computer can be manipulated ... 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 informat...

Ngày tải lên: 10/08/2014, 12:21

... do to two numbers like 3 and 5 3 þ 5 produces 8. We could use other operators with four numbers (3, 2, 18, and 7) to produce a more complex result 3 þ 2 * 18 – 7 produces 32 . In each case, when ... 2, 3, 4, and so on, to row 150, for example. The columns start at the top left and continue to the right for columns 2, 3, 4, and so on, all the way to column 250, let’s say. See Figure...

Ngày tải lên: 10/08/2014, 12:21

... "1 23- 4567"; phone_book [2] = "654- 234 5"; phone_book [3] = " 234 -4567"; phone_book [4] = "890-1 234 "; . . . phone_book [31 ] = " ;34 5-5678" ; phone_book [32 ] ... Draw 167 phone_book [3] ‘‘555-4567’’ phone_book [4] ‘‘555-1 234 ’’ phone_book [31 ] ‘‘555-5678’’ phone_book [32 ] ‘‘555-6789’’ phone_book [33 ] ‘‘555-9876’’ phone_book [34...

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

... the right side of the array for now. 32 12 5 18 31 4 25 7 one half ignore this half for now 292 Chapter 19 n Let’s Put Things in Order: Sorting list[2] = 32 ; list [3] = 19; list[4] = 18; list[5] ... side: 5121 832 31 425 7 ignore this half third quarter, fourth quarter 5121 832 31 4 25 7 ignore this half four individual elements 294 Chapter 19 n Let’s Put Things in Order: Sorting Do...

Ngày tải lên: 10/08/2014, 12:21

... 135 – 136 reasons for using, 132 – 134 recursion, 30 3 30 4 reference parameters, 261 restrictions on, 1 43 results coming out, 136 – 137 return type, 142–1 43 return values, 140–142 returning value, 139 , ... 30 2 solving, 13 14 product, 30 6 30 7 program flow, 93 94, 109 program fragments, 101 programmers, 32 assigning variables, 32 33 listing variables, 36 programming, 2, 15...

Ngày tải lên: 10/08/2014, 12:21