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class Solution {
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 public:
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  int balancedStringSplit(string s) {
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    int left = 0;
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    int right = 0;
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    int cnt = 0;
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    for (int i = 0; i < s.size(); i++) {
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      if (s[i] == 'L') {
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        left++;
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      }
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      if (s[i] == 'R') {
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        right++;
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      }
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      if (left - right == 0) {
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        cnt++;
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      }
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    }
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    return cnt;
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  }
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}