网易这题是在逗我嘛
var s = readline() var len = 1 for (var i = 1; i < s.length; i++) { if (s[i] != s[i - 1]) { len++ } } print((s.length / len).toFixed(2))
#网易#
var s = readline() var len = 1 for (var i = 1; i < s.length; i++) { if (s[i] != s[i - 1]) { len++ } } print((s.length / len).toFixed(2))
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