文章作者：Tyan
博客：noahsnail.com | CSDN | 简书
1. Description
Isomorphic Strings
2. Solution
class Solution {
public:
bool isIsomorphic(string s, string t) {
unordered_map<char, char> m1, m2;
for(int i = 0; i < s.length(); i++) {
if(m1.find(s[i]) == m1.end()) {
m1[s[i]] = t[i];
}
else if(m1[s[i]] != t[i]) {
return false;
}
if(m2.find(t[i]) == m2.end()) {
m2[t[i]] = s[i];
}
else if(m2[t[i]] != s[i]) {
return false;
}
}
return true;
}
};
