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# [recommend] C++ for beginners!! (on the sort and release of memory) Problem points: 40 points

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 follow Kkk_19 Kkk_19 Version level: This version of expert points: 0 Tie rate: 0% The landlord Published in: 16:40:57 2016-01-24 To construct a ball sports, its members center coordinates (x, y, z) and the ball of radius R and design constructor (initialization could not initialize), the copy constructor, destructor (print information, said the is called), set the new value member function (set), center coordinate member function GetX (), GetY (), GetZ) (and ball radius member function GetR (), print member value member function print (), ball size member functions volume calculation (). And such were defined ten static object array length and the length of 20 of the dynamic object array, the coordinates of the centre of each object (x, y, z) and the ball of radius r by a random number rand () produced (the ball of radius r value should be positive), print each global object (x, y, z), R and volume; then the array of objects according to the R values in ascending order, and ordered to be printed after each object (x, y, z), R and volume; and calculating a printing all objects (x, y, z) on average, average R and the average volume of the. (and release the dynamic object array, pay attention to the difference between the sequence of the structure and the structure of the sequence.) #include #include #include Namespace STD using; Ball class { Public: Ball (int x=0, int y=0, int z=0, int r=0): X (x), y (y), Z (z), R (R) {} Ball (&b {x=b.x) ball; y=b.y; z=b.z; r=b.r;} {cout<< () destructor "~ball!" <x=x; this->y=y; this->z=z; this->r=r;} Void print ({cout<<) "center coordinates (" <0&&change; --i) { Change=false; For (j=0; j
 follow Qq20004604 Qq20004604 Version level: This version of expert points: 150 Tie rate: 77.78% #1 Score: 0 Reply to: 22:58:42 2016-01-24 1 we can add the format you made, it looks very tired. 2 I search a bit, there are new, but no delete, this is obviously not good. Not to mention the subject requirements also said to release a dynamic array 3 out of the question, not to write a note to the program, which is obviously not good. Four ```For (I = n, change = true; i>0 & & change; --i) { Change = false; For (J = 0; j
 follow Zhao4zhong1 Zhao4zhong1 Version level: This version of expert points: 324802 Tie rate: 97.78% Michael In 2014 the total number of technical experts in the year ranked second Third In 2013 the total number of technical experts in the year ranked third Jinshi In 2012 the total number of technical experts in the year ranked seventh More Medal #2 Score: 0 Reply to: 10:42:05 2016-01-25 Crash in the pop-up dialog box by pressing the appropriate button to enter the debugger, press the Alt+7 button to view the Stack Call that is called the "call stack" inside from the top to the following out of the corresponding from the inside layer to the outer layer of the function call history. Double click on a line to locate the cursor to the call of the source code or assembly instructions, when you do not know when the next line, until you can understand. One less problem accounts for more than 10% of programmers often make mistakes! Avoid "one of less than a little" method is will such as < 10 < 5 even number substitution program fragment, move finger mental arithmetic verification program in the end should be written as Which in X, X-1, x+1? < < =, = =,, >, > = in which? Useful to me [0] Throw a brick [0] quote| report| Administration
 follow Paschen Paschen Version level: This version of expert points: 14196 Tie rate: 100% Bronze medal December 2015 total version of the technical experts in the monthly chart thirdNovember 2015 total version of the technical experts in the monthly chart third Yellow December 2015 C/C++ large version of the experts in the month list secondNovember 2015 C/C++ large version of the experts in the month list second #3 Score: 0 Reply to: 11:43:28 2016-01-25 It will display (~ball) to call the destructor Useful to me [0] Throw a brick [0] quote| report| Administration
 follow Kkk_19 Kkk_19 Version level: This version of expert points: 0 Tie rate: 0% #4 Score: 0 Reply to: 16:21:41 2016-01-25 Reference 1 floor qq20004604 reply:1 we can add the format you made, it looks very tired. 2 I search a bit, there are new, but no delete, this is obviously not good. Not to mention the subject requirements also said to release a dynamic array 3 out of the question, not to write a note to the program, which is obviously not good. Four ```For (I = n, change = true; i>0 & & change; --i) { Change = false; For (J = 0; j
 follow Qq20004604 Qq20004604 Version level: This version of expert points: 150 Tie rate: 77.78% #5 Score: 0 Reply to: 21:30:06 2016-01-25 Reference 4 floor kkk_19 reply:Quote: reference 1 floor qq20004604 reply: 1 we can add the format you made, it looks very tired. 2 I search a bit, there are new, but no delete, this is obviously not good. Not to mention the subject requirements also said to release a dynamic array 3 out of the question, not to write a note to the program, which is obviously not good. Four ```For (I = n, change = true; i>0 & & change; --i) { Change = false; For (J = 0; j
 follow Cattpon Cattpon Version level: This version of expert points: 10 Tie rate: 0% #6 Score: 0 Reply to: 05:55:17 2016-01-26 There are examples of this online. Useful to me [0] Throw a brick [0] quote| report| Administration
 follow Chenxin980 Chenxin980 Version level: This version of expert points: 0 Tie rate: 100% #7 Score: 0 Reply to: 08:38:20 2016-01-26 You get points... Useful to me [0] Throw a brick [0] quote| report| Administration
 follow Gefieder Gefieder Version level: This version of expert points: 10 Tie rate: 100% #8 Score: 0 Reply to: 09:41:35 2016-01-26 Learning Useful to me [0] Throw a brick [0] quote| report| Administration
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