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  1. #include <cstdio>
  2. #include <iostream>
  3. #include <string>
  4. #include <cmath>
  5. using namespace std;
  6.  
  7.  
  8. int main() {
  9.  
  10. 	long long x = 0;
  11. 	int y;
  12. 	int i = 0;
  13. 	string s;
  14.  
  15.  
  16.  
  17. 	cin >> s >> y;
  18.  
  19.  
  20.  
  21.  
  22.  
  23. 	for (auto it = s.begin(); it != s.end(); it++)
  24. 	{
  25. 		char c = *it;
  26. 		if (c >= 'A' && c <= 'Z')
  27. 			x += pow(y, i) * (c - 'A' + 10);
  28. 		else
  29. 			x += pow(y, i) * (c - '0');
  30. 		i++;
  31. 	}
  32.  
  33. 	cout << x;
  34.  
  35. 	return 0;
  36. }
Success #stdin #stdout 0s 15232KB
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https://ideone.com/LaJQNO
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
public

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