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  1. #include <iostream>
  2. #include <cmath>
  3. using namespace std;
  4.  
  5. int main() 
  6. {
  7.    double k = 1, T = 10, N, S = 10;
  8.    cin >> N;
  9.    while (N > T) {
  10.        S = S * 1.1;
  11.        T = S + T;
  12.        k++;
  13.    }
  14.    cout << k;
  15.    return 0;
  16. }
Success #stdin #stdout 0s 4392KB
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https://ideone.com/0O848S
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
secret

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