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Bài 3

anhnv Feb 23rd, 2020 72 Never
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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main(){
  5.     int n = 0;
  6.     int *pArray = nullptr;
  7.     int arrResult[3] = {-1, -1, -1};
  8.    
  9.     cout << "Input n: ";
  10.     cin >> n;
  11.    
  12.     if(n > 0){
  13.         pArray = new int[n]{};
  14.     }
  15.    
  16.     for(int i = 0; i<n; i++){
  17.         cin >> pArray[i];
  18.     }
  19.    
  20.    
  21.     for(int i = 0; i<n; i++){
  22.         if (pArray[i] > arrResult[0]){
  23.             arrResult[2] = arrResult[1];
  24.             arrResult[1] = arrResult[0];
  25.             arrResult[0] = pArray[i];
  26.         }else if(pArray[i] > arrResult[1]){
  27.             arrResult[2] = arrResult[1];
  28.             arrResult[1] = pArray[i];
  29.             continue;
  30.         }else if(pArray[2] > arrResult[1]){
  31.             arrResult[2] = pArray[i];
  32.             continue;
  33.         }
  34.     }
  35.    
  36.     if(pArray != nullptr)
  37.     {
  38.         delete[] pArray;
  39.        
  40.     }
  41.    
  42.     cout << "#output\n[" ;
  43.     if(arrResult[0] != -1){
  44.         cout<< arrResult[0];
  45.     }
  46.     if(arrResult[1] != -1){
  47.         cout << ", " << arrResult[1];
  48.        }
  49.     if(arrResult[2] != -1){
  50.            cout << ", " << arrResult[2] << "]\n";
  51.     }
  52.    
  53.     return 0;
  54. }
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