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1原创 HDU 1074
Ignatius has just come back school from the 30th ACM/ICPC. Now he has a lot of homework to do. Every teacher gives him a deadline of handing in the homework. If Ignatius hands in the homework after the deadline
2016-02-07 16:07:43
753
原创 Flower garden
You are planting a flower garden with bulbs to give you joyous flowers throughout the year. However, you wish to plant the flowers such that they do not block other flowers while they
2016-02-04 15:08:58
397
原创 BadNeighbors
The old song declares "Go ahead and hate your neighbor", and the residents of Onetinville have taken those words to heart.
2016-02-04 07:16:53
340
原创 zigzag
A sequence of numbers is called a zig-zag sequence if the differences between successive numbers strictly alternate between positive and negative.
2016-02-04 06:26:07
369
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