题目: Description A magic island Geraldion, where Gerald lives, has its own currency system. It uses banknotes of several values. But the problem is, the system is not perfect and sometimes it happens that Geraldionians cannot express a certain sum of…
A. Currency System in Geraldion Time Limit: 1 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/560/problem/A Description A magic island Geraldion, where Gerald lives, has its own currency system. It uses banknotes of several values. But th…
A. Currency System in Geraldion Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/560/problem/A Description A magic island Geraldion, where Gerald lives, has its own currency system. It uses banknotes of several values. But t…
A  Currency System in Geraldion Time Limit:2000MS     Memory Limit:262144KB     64bit IO Format:%I64d & %I64u   Description A magic island Geraldion, where Gerald lives, has its own currency system. It uses banknotes of several values. But the proble…
A  Currency System in Geraldion Time Limit:2000MS     Memory Limit:262144KB     64bit IO Format:%I64d & %I64u   Description A magic island Geraldion, where Gerald lives, has its own currency system. It uses banknotes of several values. But the proble…
[CF简单介绍] 提交链接:http://codeforces.com/contest/560/problem/A 题面: A. Currency System in Geraldion time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output A magic island Geraldion, where Gerald lives,…
A. Currency System in Geraldion time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output A magic island Geraldion, where Gerald lives, has its own currency system. It uses banknotes of several valu…
standard output A magic island Geraldion, where Gerald lives, has its own currency system. It uses banknotes of several values. But the problem is, the system is not perfect and sometimes it happens that Geraldionians cannot express a certain sum of…
time limit per test2 seconds memory limit per test256 megabytes inputstandard input outputstandard output A magic island Geraldion, where Gerald lives, has its own currency system. It uses banknotes of several values. But the problem is, the system i…
A题,超级大水题,根据有没有1输出-1和1就行了.我沙茶,把%d写成了%n. B题,也水,两个矩形的长和宽分别加一下,剩下的两个取大的那个,看看是否框得下. C题,其实也很简单,题目保证了小三角形是正三角形,一个正三角的面积=l*l*(1/2)*cos(30),由于只要算三角形个数,把六边形扩成一个大三角,剪掉三个小三角,除一下系数就没了.就变成了平方相减. D题,根据定义递归.然后注意奇数就行了.我沙茶,没加第一种判断dfs(a+len,len,b+len) && dfs(a,len,b…