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  1. #include <iostream>
  2. #include <cmath>
  3. using namespace std;
  4.  
  5. // zdefiniuj funkcję
  6. int na10(string dana) {
  7. int pom = 0;
  8. int dl = dana.length();
  9. for (int i = 0; i < dl; i++) {
  10. int x = int(dana[dl-i-1]) - 48;
  11. pom = pom + x * pow(2, i);
  12. }
  13. return pom;
  14. }
  15. int main () {
  16. // sprawdź działanie funkcji
  17. cout << na10("101010") << endl;
  18. cout << na10("110101") << endl;
  19.  
  20. return 0;
  21.  
  22. }
  23.  
Success #stdin #stdout 0s 5328KB
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stdin
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1
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10
42
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stdout
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42
53
https://ideone.com/I9I0tQ
language:
C++ 4.3.2 (gcc-4.3.2)
created:
11 hours ago
visibility:
public

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