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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.     cout << na10("101010") << endl;
  17.     cout << na10("110101") << endl;
  18.     return 0;
  19. }
Success #stdin #stdout 0.01s 5324KB
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stdin
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stdout
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https://ideone.com/EAhAwD
language:
C++14 (gcc 8.3)
created:
10 days ago
visibility:
public

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