HDU 5860 Death Sequence(递推) 题目链接http://acm.split.hdu.edu.cn/showproblem.php?pid=5860 Description You may heard of the Joseph Problem, the story comes from a Jewish historian living in 1st century. He and his 40 comrade soldiers were trapped in a cave…
不要62 Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 25802 Accepted Submission(s): 8967 Problem Description 杭州人称那些傻乎乎粘嗒嗒的人为62(音:laoer).杭州交通管理局经常会扩充一些的士车牌照,新近出来一个好消息,以后上牌照,不再含有不吉利的数字了,这样一来,就可以…
题意:有一队人(人数 ≥ 1),开头一个人要将消息传到末尾一个人那里,规定每次最多可以向后传n个人,问共有多少种传达方式. 这道题我刚拿到手没有想过 DP ,我觉得这样传消息其实很像 Fibonacci 所举的例子:一个人每次能够跨一或二阶台阶,问到 n 阶台阶有几种跨法.理念是一样的,只不过跨得台阶数可能会变而已.根据 Fibonacci 数列类比过来,每次最多能传 m 人,则 A [ i ] = A [ i - m ] + A [ i - m + 1 ] + …… + A [ i - 1…
The mook jong Accepts: 506 Submissions: 1281 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) 问题描述 ZJiaQ为了强身健体,决定通过木人桩练习武术.ZJiaQ希望把木人桩摆在自家的那个由1*1的地砖铺成的1*n的院子里.由于ZJiaQ是个强迫症,所以他要把一个木人桩正好摆在一个地砖上,由于木人桩手比较长,所以两个木人桩之间地砖必须大于等…
Catching the Thief Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 653 Accepted Submission(s): 359 Problem Description In the Qingshui Village, there's a clever thief and a cleverer police. …
折线分割平面 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 31105 Accepted Submission(s): 21012 Problem Description 我们看到过很多直线分割平面的题目,今天的这个题目稍微有些变化,我们要求的是n条折线分割平面的最大数目.比如,一条折线可以将平面分成两部分,两条折线最多可以将平面…
Security Check Time Limit: 6000/3000 MS (Java/Others) Memory Limit: 524288/524288 K (Java/Others) Problem Description In airport of Bytetown, there are two long queues waiting for security check. Checking a person needs one minute, and two queues…