Leetcode 205. Isomorphic Strings
2018-01-01 14:41
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这题和Leetcode290. Word Pattern思路一样。
class Solution {
public:
bool isIsomorphic(string s, string t) {
map<char,char>m1, m2;
for(int i=0; i<s.size(); ++i)
{
if(m1.count(s[i]) && m1[s[i]]!=t[i] || m2.count(t[i]) && m2[t[i]]!=s[i] )
return false;
m1[s[i]]=t[i];
m2[t[i]]=s[i];
}
return true;
}
};
class Solution {
public:
bool isIsomorphic(string s, string t) {
map<char,char>m1, m2;
for(int i=0; i<s.size(); ++i)
{
if(m1.count(s[i]) && m1[s[i]]!=t[i] || m2.count(t[i]) && m2[t[i]]!=s[i] )
return false;
m1[s[i]]=t[i];
m2[t[i]]=s[i];
}
return true;
}
};
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