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Update 0459.重复的子字符串,添加C#版
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@ -681,6 +681,32 @@ impl Solution {
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}
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}
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```
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### C#
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```C#
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// 前缀表不减一
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public bool RepeatedSubstringPattern(string s)
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{
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if (s.Length == 0)
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return false;
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int[] next = GetNext(s);
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int len = s.Length;
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if (next[len - 1] != 0 && len % (len - next[len - 1]) == 0) return true;
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return false;
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}
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public int[] GetNext(string s)
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{
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int[] next = Enumerable.Repeat(0, s.Length).ToArray();
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for (int i = 1, j = 0; i < s.Length; i++)
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{
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while (j > 0 && s[i] != s[j])
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j = next[j - 1];
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if (s[i] == s[j])
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j++;
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next[i] = j;
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}
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return next;
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}
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```
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<p align="center">
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