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  1. #include <iostream>
  2. #include <math.h>
  3. #include <iomanip>
  4. using namespace std;
  5.  
  6. int main () {
  7.     double a,b;
  8.     cin >> a >> b;
  9.     cout << fixed << setprecision(2) << sqrt(a*a+b*b) << " " << a*b/2 << endl ;
  10.     return 0;
  11. }
Success #stdin #stdout 0s 3460KB
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70.00 1176.00
https://ideone.com/5lq2vK
мл 6
language:
C++14 (clang 8.0)
created:
8 years ago
visibility:
secret

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