Hackerrank: Alternating Characters Solution

1function alternatingCharacters(s) {
2  s = s.split("")
3  const N = s.length
4  let res = 0
5  for (let i = 0; i < N - 1; i++) {
6    if (s[i] === s[i + 1]) {
7      res++
8    }
9  }
10  return res
11}

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Hackerrank: Alternating Characters Solution

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