题目链接 http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemCode=1504 题意 给出一串字符串 里面的每个字符的位置 都按照题目的意思 给出 求哪些字母 所在的位置 随意三个点 是否能构成 一个 正三角形 如果能 就输出这个字母 最后输出的结果 要按照字典序 思路 难点在于 给这些字母赋予坐标 我们可以从最底层 来赋值 最底层的 Y坐标都是1 X坐标分别是 `1, 2, 3, 4 然后往上走 的坐标 都是右 下一层的两个坐标决定…

Flip and Shift Time Limit: 2 Seconds      Memory Limit: 65536 KB This puzzle consists of a random sequence of m black disks and n white disks on an oval-shaped track, with a turnstile capable of flipping (i.e., reversing) three consecutive disks. In…

主题链接:problemCode=2679" target="_blank">http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemCode=2679 Among grandfather��s papers a bill was found: 72 turkeys $_679_ The first and the last digits of the number that obviously represent…

主题链接:problemId=1680" target="_blank">http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemId=1680 There is an analog clock with two hands: an hour hand and a minute hand. The two hands form an angle. The angle is measured as the small…

题目链接: http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemCode=2722 题目描述: Our school is planning to hold a new exciting computer programming contest. During each round of the contest, the competitors will be paired, and compete head-to-head. The…

Light Bulb Time Limit: 1 Second      Memory Limit: 32768 KB Compared to wildleopard's wealthiness, his brother mildleopard is rather poor. His house is narrow and he has only one light bulb in his house. Every night, he is wandering in his incommodio…

题目链接 http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemCode=3866 思路 积分 参考博客 https://blog.csdn.net/u012377575/article/details/45285895 AC代码 #include <cstdio> #include <cstring> #include <ctype.h> #include <cstdlib> #include &l…

参考:https://blog.csdn.net/KuHuaiShuXia/article/details/78408194 题意: 描述了吃鸡刷圈的问题,给出楼的坐标点,和两次刷圈的半径R和r,现在寻找最安全的地方 思路: 判定安全方法:每个点以r为半径画圆,与以原点为圆心,半径为R的圆的重合部分的大小为比较基准 那么问题又转化为与原点的距离 如果R>2r,那么以大圈圆心为圆心的R-2r范围内的建筑的安全概率是相等的. 反之,以大圈圆心为圆心的2*r-R范围内的建筑的安全概率是相等的. 我们只…

主题链接:problemId=5373">http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemId=5373 Bob is a freshman in Marjar University. He is clever and diligent. However, he is not good at math, especially in Mathematical Analysis. After a mid-term exam, Bo…

acm之pku题目分类 对ACM有兴趣的同学们可以看看 DP:  1011   NTA                 简单题  1013   Great Equipment     简单题  1024   Calendar Game       简单题  1027   Human Gene Functions   简单题  1037   Gridland            简单题  1052   Algernon s Noxious Emissions 简单题  1409   Commun…