Count Asterisks LeetCode solution in C++

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/*
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1.) Maintain a counter to store the '|'
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2.) After every even no. of '|' count the asteriks.
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*/
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class Solution {
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 public:
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  int countAsterisks(string s) {
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    int ans = 0;
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    // count of no. of '|'
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    int cnt = 0;
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    for (int i = 0; i < s.size(); i++) {
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      // if count is even then count the asteriks
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      if (cnt % 2 == 0) {
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        if (s[i] == '*') ans++;
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      }
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      if (s[i] == '|') cnt++;
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    }
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    return ans;
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  }
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};