Create 77_convert_to_piglatin.cpp

DSA Problems 1/77_convert_to_piglatin.cpp

@@ -0,0 +1,42 @@
+#include <bits/stdc++.h>
+using namespace std;
+//A Pig Latin is an encrypted word in English, which is generated by doing the following alterations:
+//The first vowel occurring in the input word is placed at the start of the new word along with the remaining 
+//alphabet of it. The alphabet is present before the first vowel is shifted, 
+//at the end of the new word it is followed by “ay”. 
+bool isVowel(char c)
+{
+	return (c == 'A' || c == 'E' || c == 'I' ||
+			c == 'O' || c == 'U' || c == 'a' ||
+			c == 'e' || c == 'i' || c == 'o' ||
+			c == 'u');
+}
+
+string pigLatin(string s)
+{
+	int len = s.length();
+	int index = -1;
+	for (int i = 0; i < len; i++) {
+		if (isVowel(s[i])) {
+			index = i;
+			break;
+		}
+	}
+
+	// Pig Latin is possible only if vowels
+	// is present
+	if (index == -1)
+		return "-1";
+
+	return s.substr(index) + s.substr(0, index) + "ay";
+}
+
+// Driver code
+int main()
+{
+	string str = pigLatin("graphic");
+	if (str == "-1")
+		cout << "No vowels found. Pig Latin not possible";
+	else
+		cout << str;
+}