Categorygithub.com/szhou12/leetcode-goleetcode0202-Happy-Number
package
0.0.0-20241220224003-b7cf03a90b2b
Repository: https://github.com/szhou12/leetcode-go.git
Documentation: pkg.go.dev
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Dependencies
0
Dependents
0

# README

202. Happy Number

Solution idea

Recursion + 十进制：模10取末位digit，除10砍掉末位digit

Note: Use a Map to check if we encounter the repeated number/cycle.