Adding LeetCode Problem 38

leetcode/src/38.c

@@ -0,0 +1,48 @@
+char * countAndSay(int n){
+    
+    //Calculating the length of array
+    double result = 1.0;
+    for(int i = 0; i < n - 1; i++)
+    {
+        result *= 1.4;
+    }
+
+    int k, j, count, convert = (int) result;
+    
+    //Creating array with the length calculated above
+    char * arr = malloc(result + 4);
+    arr[0] = '1';
+    arr[1] = '\0';
+    
+    for(int i = 2, length; i <= n; i++)
+    {
+        length = strlen(arr);
+        char newArr[length * 2];
+        strcpy(newArr, arr);
+        
+        k = 0;
+        j = 0;
+        count = 1;
+        
+        while (newArr[j] != '\0')
+        {
+            if (newArr[j] == newArr[j + 1])
+            {
+                count++;
+                j++;
+            }
+            else
+            {
+                arr[k] = (48 + count);
+                arr[k + 1] = newArr[j];
+                arr[k + 2] = '\0';
+                j++;
+                k+=2;
+                count = 1;
+            }
+
+        }
+    }
+    
+    return arr;
+}