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  1. #include <iostream>
  2. #include <string>
  3. #include <cstring>
  4. using namespace std;
  5.  
  6. bool isValidRomanNumber(string test) {
  7.     char char_array[10];
  8.     strncpy(char_array, test.c_str(), 10);
  9.  
  10.     for (int i = 0; i < 10 && char_array[i]; i++) {
  11.         if ('I' != char_array[i] && 'V' != char_array[i] && 'X' != char_array[i]&& 'L' != char_array[i] && 'C'!= char_array[i] && 'D' != char_array[i] && 'M' != char_array[i]) {
  12.             return false;
  13.         } 
  14.     }  
  15.     return true;
  16. } 
  17.  
  18. int main() {
  19. 	// your code goes here
  20. 	cout << isValidRomanNumber("IIXCDIM")<<endl;
  21. 	cout << isValidRomanNumber("IIABCDM")<<endl;
  22. 	cout << isValidRomanNumber("IIXCDMMMMMABCD")<<endl;
  23.  
  24. 	return 0;
  25. }
Success #stdin #stdout 0s 15240KB
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https://ideone.com/cLEIoi
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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