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  1. #include <iostream>
  2.  
  3. const int MAX_SIZE = 3;
  4.  
  5. class BigInt
  6. {
  7. 	public:
  8. 	BigInt( const char *value );
  9. 	friend std::ostream &operator<<( std::ostream &stm , const BigInt &bi );
  10. 	private:
  11. 	int value[ MAX_SIZE ];
  12. };
  13.  
  14. BigInt::BigInt( const char *value )
  15. {
  16. 	for( int i = 0; i < MAX_SIZE; ++i )
  17. 	{
  18. 		//this->value[ i ] = -'0' + *value++;
  19. 		this->value[ i ] = *value - '0';
  20. 		++value;
  21. 	}
  22. }
  23.  
  24. std::ostream &operator<<( std::ostream &stm , const BigInt &bi )
  25. {
  26. 	for( int i = 0; i < MAX_SIZE; ++i )
  27. 	{
  28. 		stm << bi.value[ i ];
  29. 	}
  30. 	return( stm );
  31. }
  32.  
  33. int main()
  34. {
  35. 	//char array[] = "123";
  36. 	//const char* value = "123";
  37.  
  38. 	//BigInt bi1( value );
  39.  
  40. 	//BigInt bi1( array );
  41. 	BigInt bi1( "123" );
  42. 	std::cout << bi1 << std::endl;
  43. }
Success #stdin #stdout 0s 3340KB
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stdin
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Standard input is empty
stdout
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123
https://ideone.com/3KVcaw
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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