|208|[Implement Trie](https://leetcode.com/problems/implement-trie-prefix-tree/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_208.java)| O(n)|O(1) | Medium| Trie

|207|[Course Schedule](https://leetcode.com/problems/course-schedule/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_207.java)| O(?)|O(?)| Medium|

|206|[Reverse Linked List](https://leetcode.com/problems/reverse-linked-list/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_206.java)| O(n)|O(1) | Easy | Linked List

|205|[Isomorphic Strings](https://leetcode.com/problems/isomorphic-strings/)|[Solution](../../blmaster/src/94fishercoder/algorithms/IsomorphicStrings.java)| O(n)|O(1) | Easy

|205|[Isomorphic Strings](https://leetcode.com/problems/isomorphic-strings/)|[Solution](../../blmaster/src/94fishercoder/algorithms/_205.java)| O(n)|O(1) | Easy

|204|[Count Primes](https://leetcode.com/problems/count-primes/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_204.java)| O(sqrt(n))|O(n) | Easy

|202|[Happy Number](https://leetcode.com/problems/happy-number/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_202.java)| O(k)|O(k) | Easy

|201|[Bitwise AND of Numbers Range](https://leetcode.com/problems/bitwise-and-of-numbers-range/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_201.java)| O(min(m,n))|O(1) | Medium | Bit Manipulation

publicclassIsomorphicStrings {

publicclass_205 {

publicbooleanisIsomorphic(Strings,Stringt) {