problem246

README

< Previous 　　　　　　　　　　　　　　　　 Next >

246. Strobogrammatic Number (Easy)

A strobogrammatic number is a number that looks the same when rotated 180 degrees (looked at upside down).

Write a function to determine if a number is strobogrammatic. The number is represented as a string.

Example 1:

Input:  "69"
Output: true

Example 2:

Input:  "88"
Output: true

Example 3:

Input:  "962"
Output: false

Related Topics

[Hash Table] [Math]

Similar Questions

1. Strobogrammatic Number II (Medium)
2. Strobogrammatic Number III (Hard)
3. Confusing Number (Easy)