Facebook phone interview passed but hiring process freezed anyway. Bloomberg phone interview ahead

Author: kaidul

source-code/String_Compression.cpp

@@ -0,0 +1,32 @@
+class Solution {
+public:
+    int compress(vector<char>& chars) {
+        int n = (int)chars.size();
+        if(chars.empty()) return 0;
+        int left = 0, right = 0, currCharIndx = left;
+        while(right < n) {
+            if(chars[currCharIndx] != chars[right]) {
+                int len = right - currCharIndx;
+                chars[left++] = chars[currCharIndx];
+                if(len > 1) {
+                    string freq = to_string(len);
+                    for(int i = 0; i < (int)freq.length(); i++) {
+                        chars[left++] = freq[i];
+                    }
+                }
+                currCharIndx = right;
+            }
+            right++;
+        }
+        
+        int len = right - currCharIndx;
+        chars[left++] = chars[currCharIndx];
+        if(len > 1) {
+            string freq = to_string(len);
+            for(int i = 0; i < freq.length(); i++) {
+                chars[left++] = freq[i];
+            }
+        }
+        return left;
+    }
+};