Added isPandigital function

headers/mee/stringAlgorithms.hpp

@@ -19,8 +19,7 @@
 	You should have received a copy of the GNU Lesser General Public License
 	along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
-#ifndef MEE_STRING_ALGORITHMS_HPP
-#define MEE_STRING_ALGORITHMS_HPP
+#pragma once
 
 
 #include <string>
@@ -111,7 +110,26 @@ bool isPalindrome(std::string str){
 }
 
 
+//This function returns true if the string passed to it is a pandigital
+bool isPandigital(std::string str, char bottom, char top){
+	//Return false if the wrong number of characters are in the string
+	if(str.size() != (top - bottom + 1)){
+		return false;
+	}
+
+	//Make sure that all of the needed characters are in the string exactly one time
+	for(char cnt = bottom;cnt <= top;++cnt){
+		//If a single character is found more than once then the string is not pandigital
+		if(findNumOccurrence(str, cnt) != 1){
+			return false;
+		}
+	}
+
+	//If the function has reached this part it has passed all of the falsifying tests
+	return true;
+}
+bool isPandigital(std::string str){
+	return isPandigital(str, '1', '9');
 }
 
-
-#endif	//MEE_STRING_ALGORITHMS_HPP
+}