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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.  
  19.     return 0;
  20.  
  21. }
  22.  
Success #stdin #stdout 0s 5284KB
comments (?)
stdin 
1
2
10
42
11
stdout 
42
53
https://ideone.com/zSI9r3
language:
C++ 4.3.2 (gcc-4.3.2)
created:
6 days ago
visibility:
public

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