2012年8月3日

HDU 3573 Buy Sticks（数学规律）

摘要： Buy SticksTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 652Accepted Submission(s): 280Problem DescriptionImyourgod need 3 kinds of sticks which have different sizes: 20cm, 28cm and 32cm. However the shop only sell 75-centimeter-long sticks. So he 阅读全文

posted @ 2012-08-03 21:42 kuangbin 阅读(348) 评论(0) 推荐(0) 编辑

HDU 1325 Is It A Tree?

摘要： Is It A Tree?Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 6961Accepted Submission(s): 1619Problem DescriptionA tree is a well-known data structure that is either empty (null, void, nothing) or is a set of one or more nodes connected by directed 阅读全文

posted @ 2012-08-03 19:06 kuangbin 阅读(511) 评论(0) 推荐(0) 编辑

ACM HDU 1257 最少拦截系统 （贪心） by kuangbin

摘要： 最少拦截系统Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 9039Accepted Submission(s): 3514Problem Description某国为了防御敌国的导弹袭击,发展出一种导弹拦截系统.但是这种导弹拦截系统有一个缺陷:虽然它的第一发炮弹能够到达任意的高度,但是以后每一发炮弹都不能超过前一发的高度.某天,雷达捕捉到敌国的导弹来袭.由于该系统还在试用阶段,所以只有一套系统,因此有可能不能拦截所有的导弹.怎么办呢?多搞几套 阅读全文

posted @ 2012-08-03 10:18 kuangbin 阅读(18206) 评论(6) 推荐(4) 编辑

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