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  1. #include <bits/stdc++.h>
  2.  
  3. using namespace std;
  4.  
  5. int main()
  6. {
  7.     float a,b; cin >> a >> b;
  8.     int n=0;float t,tplus;
  9.     do {
  10.  
  11.         t=n*b + a/sqrt(n+1);
  12.         tplus=(n+1)*b + a/sqrt(n+2);
  13.         n++;
  14.     } while (t>tplus);
  15.     cout << t;
  16.     return 0;
  17. }
Success #stdin #stdout 0.15s 5516KB
comments (?)
stdin
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1000000000000000000 100
stdout
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4.06325e+14
https://ideone.com/EhKfWv
language:
C++14 (gcc 8.3)
created:
1 year ago
visibility:
public

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