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class Solution {
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  public int balancedStringSplit(String s) {
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    int nl = 0;
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    int nr = 0;
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    int count = 0;
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    for (int i = 0; i < s.length(); ++i) {
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      if (s.substring(i, i + 1).equals("L")) ++nl;
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      else ++nr;
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      if (nr == nl) {
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        ++count;
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      }
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    }
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    return count;
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  }
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}