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  1. #include <iostream>
  2. #define NUM 3
  3. #define POW 729
  4. using namespace std;
  5.  
  6. int nearest(int weight) {
  7.     for (int i = 1; i < POW; i*=NUM){
  8.         if (abs(i - weight) < abs(i*NUM - weight)) {
  9.             return i;
  10.         }
  11.     }
  12. }
  13.  
  14. int main() {
  15.   int right_bowl, left_bowl = 0, count = 0;
  16.   cin >> right_bowl;
  17.   while (right_bowl != left_bowl) {
  18.     if (right_bowl > left_bowl) {
  19.             left_bowl += nearest(abs(right_bowl - left_bowl));
  20.         }
  21.     else right_bowl += nearest(abs(right_bowl - left_bowl));
  22.     count++;
  23.   }
  24.   cout << count;
  25. }
Success #stdin #stdout 0s 4696KB
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https://ideone.com/VvoQCX
VECTOR
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
secret

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