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class Solution {
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 public:
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  bool winnerOfGame(string colors) {
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    if (colors.size() < 3) return false;
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    int a = 0, b = 0;
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    for (int i = 0; i < colors.size() - 2; i++) {
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      if (colors.substr(i, 3) == "AAA")
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        a++;
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      else if (colors.substr(i, 3) == "BBB")
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        b++;
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    }
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    return a > b;
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  }
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};