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White 22 17 Kids 2016 Madrid Adidas Originals isco Shirt Real Home qapqvFROw White 22 17 Kids 2016 Madrid Adidas Originals isco Shirt Real Home qapqvFROw White 22 17 Kids 2016 Madrid Adidas Originals isco Shirt Real Home qapqvFROw White 22 17 Kids 2016 Madrid Adidas Originals isco Shirt Real Home qapqvFROw

isco Real Home 17 Originals 22 Madrid Kids White Shirt Adidas 2016 839. Similar String Groups

Two strings X and Y are similar if we can swap two letters (in different positions) of X, so that it equals Y.

For example, "tars" and "rats" are similar (swapping at positions 0 and 2), and "rats" and "arts" are similar, but "star" is not similar to "tars", "rats", or "arts".

Together, these form two connected groups by similarity: {"tars", "rats", "arts"} and {"star"}.  Notice that "tars" and "arts" are in the same group even though they are not similar.  Formally, each group is such that a word is in the group if and only if it is similar to at least one other word in the group.

We are given a list A of strings.  Every string in A is an anagram of every other string in A.  How many groups are there?

Example 1:

Input: ["tars","rats","arts","star"]
Output: 2

Note:

  1. Kids Adidas Shirt isco Madrid Originals Real 17 Home 2016 White 22 A.length <= 2000
  2. A[i].length <= 1000
  3. A.length * A[i].length <= 20000
  4. All words in A consist of lowercase letters only.
  5. All words in A have the same length and are anagrams of each other.
  6. The judging time limit has been increased for this question.

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Shirt 22 isco White Madrid Originals Kids Adidas Home Real 2016 17
Description
Official Isco - Kids football shirt for the Real Madrid football team. This is the new Real Madrid home shirt for the 2016-17 La Liga season which is manufactured by Adidas and is available in adult sizes S M L XL XXL XXXL and kids sizes small boys medium boys large boys XL boys. This Real Madrid football shirt is white in colour and comes with Isco - Kids shirt printing on the jersey.

C++

Compiled with g++ 6.3 using the latest C++ 14 standard.

Your code is compiled with level one optimization (-O1). Marine Ihejupette Ihejupette Yurban Marine Marine Ihejupette Yurban Yurban Yurban Ihejupette Marine Yurban TIO6wpqE is also enabled to help detect out-of-bounds and use-after-free bugs.

Most standard library headers are already included automatically for your convenience.