岁月悠悠，衰微只及肌肤；热忱抛却，颓唐必至灵魂。

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1015 Reversible Primes
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1015 Reversible Primes

A reversible prime in any number system is a prime whose ...
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Post on 2023-07-25 195 0
1014 Waiting in Line
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1014 Waiting in Line

1014 Waiting in Line Suppose a bank has N windows open for s...
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Post on 2023-06-16 216 0
1013 Battle Over Cities
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1013 Battle Over Cities

1013 Battle Over Cities It is vitally important to have all ...
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Post on 2023-06-16 189 0
1012 The Best Rank
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1012 The Best Rank

1012 The Best Rank To evaluate the performance of our first ...
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Post on 2023-06-16 178 0
1011 World Cup Betting
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1011 World Cup Betting

1011 World Cup Betting With the 2010 FIFA World Cup running,...
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Post on 2023-06-16 179 0
1010 Radix
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1010 Radix

1010 Radix Given a pair of positive integers, for example, 6...
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Post on 2023-06-15 157 0
1009 Product of Polynomials
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1009 Product of Polynomials

1009 Product of Polynomials This time, you are supposed to f...
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Post on 2023-06-15 183 0
1008 Elevator
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1008 Elevator

1008 Elevator The highest building in our city has only one ...
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Post on 2023-06-15 132 0
1007 Maximum Subsequence Sum
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1007 Maximum Subsequence Sum

1007 Maximum Subsequence Sum Given a sequence of K integers ...
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Post on 2023-06-15 132 0
1006 Sign In and Sign Out
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1006 Sign In and Sign Out

1006 Sign In and Sign Out At the beginning of every day, the...
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Post on 2023-06-13 133 0