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C2YW-IAHG-ZU62-INZQ-WZPC | |
C2YW-2BAM-ADC2-89RV-YZPC | |
C2YW-XFCX-ABIG-GZD4-8ZPC | |
C2YW-XK32-GBVV-N3BH-2ZPC | |
C2YW-JKW5-KK79-XHR2-4ZPC | |
C2YW-QTRT-ZVCG-PQDK-CZPC | |
C2YW-GP33-TPIU-BGM8-AZPC | |
Source: http://windowsloaders.com/ccleaner-professional-plus-crack-for-windows/ |
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/* | |
Given n pairs of parentheses, write a function to generate all combinations of well-formed parentheses. | |
For example, given n = 3, a solution set is: | |
"((()))", "(()())", "(())()", "()(())", "()()()" | |
*/ | |
public class Solution { |