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1011 World Cup Betting1011 World Cup Betting (20)（20 分） With the 2010 FIFA World Cup running, ...
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1010 Radix1010 Radix (25)（25 分） Given a pair of positive integers, for example, 6 ...
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1009 Product of Polynomials
1009 Product of Polynomials (25)（25 分） This time, you are supposed to fi...
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1008 Elevator
1008 Elevator (20)（20 分） The highest building in our city has only one e...
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1007 Maximum Subsequence Sum
1007 Maximum Subsequence Sum (25)（25 分） Given a sequence of K integers {...
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1006 Sign In and Sign Out
1006 Sign In and Sign Out (25)（25 分） At the beginning of every day, the ...
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1005 Spell It Right
1005 Spell It Right (20)（20 分） Given a non-negative integer N, your task...
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1004 Counting Leaves1004 Counting Leaves (30)（30 分） A family hierarchy is usually presented ...
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1003 Emergency1003 Emergency (25)（25 分） As an emergency rescue team leader of a city, ...