Create _3223.cpp

Solution for Leetcode problem
3223. Minimum Length of String After Operations

Author: yashgarg7302

cpp/_3223.cpp

@@ -0,0 +1,17 @@
+class Solution {
+public:
+    int minimumLength(string s) {
+        vector<int> freq(26, 0);
+        for(char c : s) {
+            freq[c - 'a']++;
+        }
+        int del = 0;
+        for(int i = 0; i < 26; i++) {
+            while(freq[i] >= 3) {
+                freq[i] -= 2; 
+                del += 2;  
+            }
+        } 
+        return s.length() - del;
+    }
+};