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class Solution {
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 public:
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  bool makeEqual(vector<string> &words) {
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    int mp[26] = {0};
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    for (auto &word : words) {
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      for (auto &c : word) {
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        mp[c - 'a']++;
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      }
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    }
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    for (int i = 0; i < 26; i++) {
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      if (mp[i] % words.size() != 0) return false;
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    }
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    return true;
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  }
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};