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  1. #include <iostream> //for cin
  2. #include <random> //this
  3. #include <math.h> //for floor
  4. using namespace std;
  5.  
  6. double fRand(double fMin, double fMax)
  7. {//random gen for double from stackoverflow
  8.     double f = (double)rand() / RAND_MAX;
  9.     return fMin + f * (fMax - fMin);
  10. }
  11.  
  12. class array_member {    
  13.     public: 
  14.         double value;
  15.         bool added;   
  16. };
  17.  
  18. int main() {
  19.     int seed = static_cast<int>(time(0));
  20.     srand(seed);
  21.     int arrSize = 0;
  22.     int cond_C = 0;
  23.     int val_cond_C = 0;
  24.     int last_negative_element_index = 0;
  25.     int val_cond_after_last = 0;
  26.     array_member arr[100];
  27.     do { //define array size
  28.          cin >> arrSize;
  29.     }   
  30.     while (arrSize>100&&arrSize<=0);
  31.     cin >> cond_C;
  32.     cout.precision(6);
  33.     double max = -1000;
  34.     int max_index = 0;
  35.     for (int i=0;i<arrSize;i++) {
  36.         //arr.push_front();
  37.         arr[i].added = false;
  38.         if (rand() % 100 > 70) 
  39.             arr[i].value = fRand(-100,100);
  40.         else arr[i].value = rand() % 200-100;
  41.         //value set
  42.         if (arr[i].value>max) {
  43.             max = arr[i].value; //finding max arr value
  44.             max_index = i;        
  45.         }
  46.         arr[max_index].added = true;
  47.         cout << arr[i].value << endl;    
  48.         if (arr[i].value < cond_C) val_cond_C++;
  49.         if (arr[i].value < 0) last_negative_element_index = i;
  50.     }
  51.     for (int i=last_negative_element_index;i<arrSize;i++) {
  52.         if (arr[i].value > 0 && arr[i].value == floor(arr[i].value)) val_cond_after_last++;
  53.     }    
  54.     cout << "Elements lower than C: " << val_cond_C << endl;
  55.     cout << "Natural array elements higher than 0 after last negative element: " <<val_cond_after_last<<endl;
  56.     cout << "Modified array: " << endl << max << endl;
  57.     for (int i=0;i<arrSize;i++) {
  58.         if (!arr[i].added && i!=max_index && arr[i].value >= max*0.8 && arr[i].value <=max*1.2) {
  59.             cout << arr[i].value << endl;
  60.             arr[i].added = true;
  61.         }        
  62.     }
  63.     for (int i=0;i<arrSize;i++)
  64.         if (!arr[i].added) cout << arr[i].value << endl;
  65.     return 0;
  66. }
Success #stdin #stdout 0s 2936KB
comments (?)
stdin
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20
15
stdout
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-58.3036
58
8.68654
-0.091254
-5
49
-15
-84
-25
-93
47
64.9779
0
-89
-99.9433
28
-81.9669
82
-24
-87
Elements lower than C: 14
Natural array elements higher than 0 after last negative element: 0
Modified array: 
82
-58.3036
58
8.68654
-0.091254
-5
49
-15
-84
-25
-93
47
64.9779
0
-89
-99.9433
28
-81.9669
82
-24
-87
https://ideone.com/2uufQi
language:
C++14 (gcc 8.3)
created:
12 years ago
visibility:
public

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