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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. int main()
  6. {
  7.     int a = 0, b = 0, n, k, s = 0;
  8.     cin >> n >> k;
  9.     a = n / 3;
  10.     n -= a * 3;
  11.     b = a / 3;
  12.     a -= b * 3;
  13.     for (int i = 0; i < b; i += 0)
  14.     {
  15.         if (k != 0)
  16.         {
  17.             k--;
  18.             s += 16 * b;
  19.             b--;
  20.         }
  21.         else
  22.         {
  23.             break;
  24.         }
  25.     }
  26.     for (int i = 0; i < a; i += 0)
  27.     {
  28.         if (k != 0)
  29.         {
  30.             k--;
  31.             s += 4 * a;
  32.             a--;
  33.         }
  34.         else
  35.         {
  36.             break;
  37.         }
  38.     }
  39.     for (int i = 0; i < n; i += 0)
  40.     {
  41.         if (k != 0)
  42.         {
  43.             k--;
  44.             s++;
  45.             n--;
  46.         }
  47.         else
  48.         {
  49.             break;
  50.         }
  51.     }
  52.     cout << s;
  53. }
  54.  
Success #stdin #stdout 0.01s 5288KB
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-983363808
https://ideone.com/0N6o05
language:
C++ (gcc 8.3)
created:
13 days ago
visibility:
public

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