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Problem 1561. -- [JSOI2009]去括号 -- 衡阳八中OJ离线版-2014-11-04

1561: [JSOI2009]去括号

Time Limit: 5 Sec  Memory Limit: 64 MB
Submit: 111  Solved: 50
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Description

Input

Output

Sample Input






Sample Output



HINT

Source

JSOI2009Day2

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