Merge pull request neetcode-gh#1979 from alexprudhomme/0205-isomorphi…

…c-strings.cs Create: 0205-isomorphic-strings.cs
purnawirman · Jan 10, 2023 · 9e0f788 · 9e0f788
2 parents 9670149 + 0e9a876
commit 9e0f788
Showing 1 changed file with 29 additions and 0 deletions.
diff --git a/csharp/0205-isomorphic-strings.cs b/csharp/0205-isomorphic-strings.cs
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+public class Solution {
+ public bool IsIsomorphic(string s, string t) {
+ Dictionary<string, string> mapST = new Dictionary<string, string>();
+ Dictionary<string, string> mapTS = new Dictionary<string, string>();
+
+ for (int i = 0; i < s.Length; i++) {
+ string sChar = s[i].ToString();
+ string tChar = t[i].ToString();
+
+ if (mapST.ContainsKey(sChar)) {
+ if (mapST[sChar] != tChar) {
+ return false;
+ }
+ } else {
+ mapST.Add(sChar, tChar);
+ }
+
+ if (mapTS.ContainsKey(tChar)) {
+ if (mapTS[tChar] != sChar) {
+ return false;
+ }
+ } else {
+ mapTS.Add(tChar, sChar);
+ }
+ }
+
+ return true;
+ }
+}