Add new file

cb.en.u4cse16257_p2_

+  
+
+pseuocode
+
+1)
+
+dictionary dict1
+count=0
+for all elements in origItems
+   dict[origitems[i])=origprice[i]
+
+for all elements in items
+    if dict[items[i]]!=prices[i]
+     increment count
+
+
+return count
+
+
+
+
+
+2)
+  list=[text[st:end+1] for st in range len(text) for end in range(st,len(text))
+
+   
+list contains all substrings of given string
+
+for every suffix substring in prefixstr check 
+           if that suffixstring in list
+              find longst substring and give index as index2
+
+
+for every prefix substring in suffixstr check 
+           if that prefixtring in list
+              find longst substring and give index as index1
+
+
+
+
+resultant string is calculated using concat of substrings given by suffix and prefix
+