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https://leetcode.com/problems/valid-anagram/
Given two strings s and t, write a function to determine if t is an anagram of s.
For example,
s = “anagram”, t = “nagaram”, return true.
s = “rat”, t = “car”, return false.
Note:
You may assume the string contains only lowercase alphabets.
class Solution {
public:
bool isAnagram(string s, string t) {
int A[26] = { 0 }, B[26] = { 0 };
size_t i, n = s.length(), m = t.length();
if (n != m) return false;
for (i = 0; i < n; i++) A[s[i] - ‘a‘]++;
for (i = 0; i < m; i++) B[t[i] - ‘a‘]++;
for (i = 0; i < 26; i++) {
if (A[i] != B[i]) return false;
}
return true;
}
};
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原文地址：http://www.cnblogs.com/GadyPu/p/5020626.html
