Easy

Author: takshitharao07

If_str_half_alike.cpp

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+// You are given a string s of even length. Split this string into two halves of equal lengths, and let a be the first half and b be the second half.
+// Two strings are alike if they have the same number of vowels ('a', 'e', 'i', 'o', 'u', 'A', 'E', 'I', 'O', 'U'). Notice that s contains uppercase and lowercase letters.
+// Return true if a and b are alike. Otherwise, return false.
+
+// Example 1:
+
+// Input: s = "book"
+// Output: true
+// Explanation: a = "bo" and b = "ok". a has 1 vowel and b has 1 vowel. Therefore, they are alike.
+// Example 2:
+
+// Input: s = "textbook"
+// Output: false
+// Explanation: a = "text" and b = "book". a has 1 vowel whereas b has 2. Therefore, they are not alike.
+// Notice that the vowel o is counted twice.
+
+
+/*
+class Solution {
+public:
+    bool halvesAreAlike(string s) {
+        int len=s.size();
+        int mid=len/2;
+    
+        int count_first=0;
+        int count_next=0;
+     
+    // 0 1 2 3 4 5
+    // 0 1 2    3   4   5
+    // 0 1 2   3+0 3+1 3+2 
+
+        for(int i=0; i<mid; i++){
+            if(isVowel(s[i])){
+                count_first++;
+            }
+
+            if(isVowel(s[mid+i])){
+                count_next++;
+            }
+        }
+        return count_first == count_next;
+    }
+
+    // function to check each character, if vowel
+
+    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' ;
+    }
+};
+*/