Walking through the streets of Marshmallow City, Slastyona have spotted some merchants selling a kind of useless toy which is very popular nowadays – caramel spinner! Wanting to join the craze, she has immediately bought the strange contraption. Spin…
A. The Useless Toy time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Walking through the streets of Marshmallow City, Slastyona have spotted some merchants selling a kind of useless toy which…
A. The Useless Toy time limit per test:1 second memory limit per test:256 megabytes input:standard input output:standard output Walking through the streets of Marshmallow City, Slastyona have spotted some merchants selling a kind of useless toy which…
http://codeforces.com/contest/834 A. The Useless Toy 题意: <,>,^,v这4个箭头符号,每一个都可以通过其他及其本身逆时针或者顺时针旋转得到. 现在给出起始符号和结束符号,以及旋转的次数,判断是逆时针还是顺时针或者是无法判断. 思路: 可以知道4为一个周期,所以就把次数对4取余数,看一个周期之内的操作就可以了,分别模拟顺时针和逆时针的操作,如果都可以到达或者都不可以到达,那么它们就是不可识别的行为,其它就可以判断顺时针或者逆时针了. 代码…
A. The Useless Toy time limit per test:1 second memory limit per test:256 megabytes input:standard input output:standard output Walking through the streets of Marshmallow City, Slastyona have spotted some merchants selling a kind of useless toy which…
A. The Useless Toy:http://codeforces.com/contest/834/problem/A 题目意思:给你两个字符,还有一个n,问你旋转n次以后从字符a变成b,是顺时针还是逆时针还是无法确定. 思路: 直接把c=n%4,然后搞出a->b需要顺时针转x下, 那么4-x就是逆时针需要转多少下了,如果顺逆时间是一样的 ,肯定无法判断,如果等于其中一个那该顺时针顺时针,该逆时针逆时针,如果两个时间都不等于c那就是不确定了. 还有一点如果一开始a=b,那就不需要判断肯…
传送门 Description Little Chris is very keen on his toy blocks. His teacher, however, wants Chris to solve more problems, so he decided to play a trick on Chris. There are exactly s blocks in Chris's set, each block has a unique number from 1 to s. Chr…
Bahosain is walking in a street of N blocks. Each block is either empty or has one lamp. If there is a lamp in a block, it will light it’s block and the direct adjacent blocks. For example, if there is a lamp at block 3, it will light the blocks 2, 3…
Factory is a design pattern in common usage. Please implement a ToyFactory which can generate proper toy based on the given type. ExampleToyFactory tf = ToyFactory();Toy toy = tf.getToy('Dog');toy.talk(); >> Wow toy = tf.getToy('Cat');toy.talk();>…
Toy Storage Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 5439 Accepted: 3234 Description Mom and dad have a problem: their child, Reza, never puts his toys away when he is finished playing with them. They gave Reza a rectangular box…
Toy Cars time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Little Susie, thanks to her older brother, likes to play with cars. Today she decided to set up a tournament between them. The proce…
Toy Storage Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 3146 Accepted: 1798 Description Mom and dad have a problem: their child, Reza, never puts his toys away when he is finished playing with them. They gave Reza a rectangular box…
题目链接: 题目 D. Toy Sum time limit per test:1 second memory limit per test:256 megabytes 问题描述 Little Chris is very keen on his toy blocks. His teacher, however, wants Chris to solve more problems, so he decided to play a trick on Chris. There are exactly…
A. The Child and Toy Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/438/problem/A Description On Children's Day, the child got a toy from Delayyy as a present. However, the child is so naughty that he can't wait to destroy…