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  1. #include <iostream>
  2. #include <cmath>
  3. using namespace std;
  4.  
  5. // zdefiniuj funkcję
  6. int na10(string dana) {
  7.  
  8. 	int pom = 0;
  9. 	int dl = dana.length();
  10. 	for (int i = 0; i < dl; i++) {
  11. 	int x = int(dana[dl-i-1]) - 48;
  12. 	pom = pom + x * pow(2, i);
  13. }
  14. return pom;
  15. }
  16.  
  17. int main() {
  18.  
  19. cout <<  na10("101010") << endl;
  20. cout <<  na10("110101") << endl;
  21.     return 0;
  22. }
Success #stdin #stdout 0.01s 5328KB
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stdin
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1
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10
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stdout
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42
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https://ideone.com/y758pK
language:
C++ 4.3.2 (gcc-4.3.2)
created:
10 days ago
visibility:
public

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