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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int two_to(int a){
  5.     int power = 1;
  6.     for (int i = 0; i < a; i++){
  7.         power *= 2;
  8.     }
  9.     return power;
  10. }
  11.  
  12. int min(int a, int b){
  13.     if (a < b) return a;
  14.     return b;
  15. }
  16.  
  17. int value[20][1 << 19];
  18. int suma_galezi[20][1 << 19];
  19.  
  20. int main() {
  21.     int k;
  22.     cin >> k;
  23.  
  24.     for (int i = 0; i < k; i++){
  25.         for (int j = 0; j < two_to(i); j++){
  26.             cin >> value[i][j];
  27.         }
  28.     }
  29.  
  30.     for (int j = 0; j < two_to(k-1); j++){
  31.         suma_galezi[k-1][j] = value[k-1][j];
  32.     }
  33.  
  34.     for (int i = k - 2; i >= 0; i--){
  35.         for (int j = 0; j < two_to(i); j++){
  36.             suma_galezi[i][j] = value[i][j] + min(
  37.                 suma_galezi[i+1][2*j], 
  38.                 suma_galezi[i+1][2*j + 1]
  39.             );
  40.         }
  41.     }
  42.  
  43.     cout << suma_galezi[0][0] << "\n";
  44.  
  45.     return 0;
  46. }
Success #stdin #stdout 0.01s 13776KB
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https://ideone.com/kzBAnF
language:
C++ (gcc 8.3)
created:
22 hours ago
visibility:
public

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