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  1. #include <iostream>
  2. #include <cstring>
  3.  
  4. const char *prefix = "Controller/MCP23017P";
  5.  
  6. int main() 
  7. {
  8. 	static const int len = strlen(prefix);
  9. 	const char *input1 = "Controller/MCP23017P15/command";
  10. 	std::cout << atoi(input1 + len) << std::endl;
  11. 	const char *input2 = "Controller/MCP23017P02/command";
  12. 	std::cout << atoi(input2 + len) << std::endl;
  13. 	const char *input3 = "Controller/MCP23017P7/command";
  14. 	std::cout << atoi(input3 + len) << std::endl;
  15. 	return 0;
  16. }
Success #stdin #stdout 0s 5444KB
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stdin
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Standard input is empty
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15
2
7
https://ideone.com/6aENv5
language:
C++ (gcc 8.3)
created:
2 years ago
visibility:
public

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