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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. int main() {
  4. 	double a, b;
  5. 	cin >> a >> b;
  6. 	cout << fixed << setprecision (2) << 2*(a+b) << " " << a*b;
  7. }
Success #stdin #stdout 0.01s 5308KB
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2.12 3.0
stdout
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10.24 6.36
https://ideone.com/F9LQJa
language:
C++14 (gcc 8.3)
created:
8 hours ago
visibility:
public

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