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  1. #include <cstdlib>
  2. #include <iostream>
  3.  
  4. class NumberPlayer {
  5.     int totalNumber;
  6.     int* numbers;
  7. public:
  8.     NumberPlayer(int);
  9.     ~NumberPlayer();
  10.     void setNumber(int, int);
  11.     int getNumberAt(int);
  12.     double getAverage();
  13.     int getLargest();
  14.     int getSmallest();
  15.     int getGreaterThanAverage();
  16. };
  17.  
  18. NumberPlayer::NumberPlayer (int tn) {
  19.     totalNumber = tn;
  20.     numbers = new int[totalNumber];
  21. }
  22.  
  23. NumberPlayer::~NumberPlayer () {
  24.     delete numbers;
  25. }
  26.  
  27. void NumberPlayer::setNumber(int idx, int val) {
  28.     if (0 > idx || idx > totalNumber -1) {
  29.         std::cerr << "Error: Index number (" << idx << ") is wrong!" << std::endl;
  30.         exit(1);
  31.     }
  32.     if (!numbers) {
  33.         std::cerr << "Error: Player is not ready!" << std::endl;
  34.         exit(1);
  35.     }
  36.     numbers[idx] = val;
  37. }
  38.  
  39. int NumberPlayer::getNumberAt(int idx) {
  40.     if (0 > idx || idx > totalNumber -1) {
  41.         std::cerr << "Error: Index number (" << idx << ") is wrong!" << std::endl;
  42.         exit(1);
  43.     }
  44.     if (!numbers) {
  45.         std::cerr << "Error: Player is not ready!" << std::endl;
  46.         exit(1);
  47.     }
  48.     return numbers[idx];
  49. }
  50.  
  51. double NumberPlayer::getAverage () {
  52.     int i, total = 0;
  53.     for (i = 0; i < totalNumber; ++i) {
  54.         total += numbers[i];
  55.     }
  56.     return total/totalNumber;
  57. }
  58.  
  59. int NumberPlayer::getLargest () {
  60.     int i, largest = numbers[0];
  61.     for (i = 1; i < totalNumber; ++i) {
  62.         if (numbers[i] > largest) {
  63.             largest = numbers[i];
  64.         }
  65.     }
  66.     return largest;
  67. }
  68.  
  69. int NumberPlayer::getSmallest () {
  70.     int i, smallest = numbers[0];
  71.     for (i = 1; i < totalNumber; ++i) {
  72.         if (numbers[i] < smallest) {
  73.             smallest = numbers[i];
  74.         }
  75.     }
  76.     return smallest;
  77. }
  78.  
  79. int NumberPlayer::getGreaterThanAverage () {
  80.     int i, totalNumberGreaterThanAverage = 0;
  81.     double average = getAverage();
  82.     for (i = 0; i < totalNumber; ++i) {
  83.         if (numbers[i] > average) {
  84.             ++totalNumberGreaterThanAverage;
  85.         }
  86.     }
  87.     return totalNumberGreaterThanAverage;
  88. }
  89.  
  90. int main() {
  91.  
  92.     int i, input, tn = 0;
  93.  
  94.     std::cout << "How many numbers do you want to enter? ";
  95.     std::cin >> tn;
  96.  
  97.     if (tn < 1) {
  98.         std::cout << "Number is too small!" << std::endl;
  99.         return 1;
  100.     }
  101.  
  102.     NumberPlayer player(tn);
  103.  
  104.     for (i = 0; i < tn; ++i) {
  105.         std::cout << "Enter number: ";
  106.         std::cin >> input;
  107.         player.setNumber(i, input);
  108.     }
  109.  
  110.     std::cout << "You have entered: ";
  111.     for (i = 0; i < tn; ++i) {
  112.         std::cout << player.getNumberAt(i);
  113.         if (i != tn -1) {
  114.             std::cout << ", ";
  115.         }
  116.     }
  117.  
  118.     std::cout << "The average of the series numbers is: " << player.getAverage() << std::endl;
  119.     std::cout << "The largest of the series numbers is: " << player.getLargest() << std::endl;
  120.     std::cout << "The smallest of the series numbers is: " << player.getSmallest() << std::endl;
  121.     std::cout << "The total number greater than average is: " << player.getGreaterThanAverage() << std::endl;
  122.  
  123.     return 0;
  124. }
  125.  
Success #stdin #stdout 0s 3436KB
comments (?)
stdin
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4
4
2
8
6
stdout
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How many numbers do you want to enter? Enter number: Enter number: Enter number: Enter number: You have entered: 4, 2, 8, 6The average of the series numbers is: 5
The largest of the series numbers is: 8
The smallest of the series numbers is: 2
The total number greater than average is: 2
https://ideone.com/KUIXfP
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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