|249|[Group Shifted Strings](https://leetcode.com/problems/group-shifted-strings/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_249.java)| O(nlogn)| O(n)|

|248|[Strobogrammatic Number III](https://leetcode.com/problems/strobogrammatic-number-iii/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_248.java) | O(?) | O(?) | Hard | Recursion, DFS

|247|[Strobogrammatic Number II](https://leetcode.com/problems/strobogrammatic-number-ii/)|[Solution](../master/src/main/java/com/fishercoder/solutions/StrobogrammaticNumberII.java) | O(n^2) | O(n) | Medium | Recursion

|246|[Strobogrammatic Number](https://leetcode.com/problems/strobogrammatic-number/)|[Solution](../master/src/main/java/com/fishercoder/solutions/StrobogrammaticNumber.java) | O(n) | O(1) | Easy

|246|[Strobogrammatic Number](https://leetcode.com/problems/strobogrammatic-number/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_246.java) | O(n) | O(1) | Easy

|245|[Shortest Word Distance III](https://leetcode.com/problems/shortest-word-distance-iii/)|[Solution](../master/src/main/java/com/fishercoder/solutions/ShortestWordDistanceIII.java)| O(n)| O(1)| Medium|

|244|[Shortest Word Distance II](https://leetcode.com/problems/shortest-word-distance-ii/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_244.java) | O(n) | O(n) | Medium | HashMap

|243|[Shortest Word Distance](https://leetcode.com/problems/shortest-word-distance/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_243.java) | O(n) | O(1) | Easy

publicclassStrobogrammaticNumber {

publicclass_246 {

publicbooleanisStrobogrammatic_map(Stringnum) {

inti =0,j =num.length()-1;