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242 - Stamps and Envelope SizeTime limit: 3.000 secondsStamps and Envelope SizePhilatelists have collected stamps since long before postal workers wer... 阅读全文
posted @ 2015-05-16 09:31
井_中窥月
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1629 - Cake slicingTime limit: 3.000 secondsA rectangular cake with a grid ofm*nunit squares on its top needs to be sliced into pieces. Several cherri... 阅读全文
posted @ 2015-05-16 09:21
井_中窥月
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1631 LockerA password locker with N digits, each digit can be rotated to 0-9 circularly.You can rotate 1-3 consecutive digits up or down in one step.F... 阅读全文
posted @ 2015-05-16 09:11
井_中窥月
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