THE FOOL
摘要：
Fool is numbered 0 the number of unlimited potential -and therefore does not have a specific place in the... 阅读全文
posted @ 2019-05-05 17:22 湫叶 阅读(232) 评论(0) 推荐(0)
Little Sub and Enigma
摘要：
Little Sub builds a naive Enigma machine of his own. It can only be used to encrypt/decrypt lower-case let... 阅读全文
posted @ 2019-05-05 17:09 湫叶 阅读(109) 评论(0) 推荐(0)
Greatest Common Divisor
摘要：
题目描述There is an array of length n, containing only positive numbers.Now you can add all numbers by 1 many ... 阅读全文
posted @ 2019-05-03 17:16 湫叶 阅读(116) 评论(0) 推荐(0)
Largest Allowed Area
摘要：
A company is looking for land to build its headquarters. It has a lot of money and can buy as many land pa... 阅读全文
posted @ 2019-05-01 21:40 湫叶 阅读(137) 评论(0) 推荐(0)
Evolution Game
摘要：
In the fantasy world of ICPC there are magical beasts. As they grow, these beasts can change form, and eve... 阅读全文
posted @ 2019-05-01 20:59 湫叶 阅读(100) 评论(0) 推荐(0)
Clockwork
摘要：
Rabbits are small mammals in the family Lep or idae of the or der Lagom or pha. So says Wikipedia.C or rec... 阅读全文
posted @ 2019-05-01 20:51 湫叶 阅读(159) 评论(0) 推荐(0)
JAVA快速输入输出
摘要：
import java.math.BigInteger;import java.util.Arrays;import java.util.Scanner;import java.io.BufferedReader... 阅读全文
posted @ 2019-04-16 08:20 湫叶 阅读(198) 评论(0) 推荐(0)
点在三角行
摘要：
参考博客算法1利用面积法，如上图所示，如果点P在三角形ABC的内部，则三个小三角形PAB, PBC, PAC的面积之和 = ABC的面积，反之则不相等。已知三角形的三个顶点坐标求其面积，可以根据向量的叉乘，参考。... 阅读全文
posted @ 2019-04-15 13:07 湫叶 阅读(127) 评论(0) 推荐(0)
点是否在线段上
摘要：
两个条件1.两个向量叉积为0；2.点在线段端点矩形区域内；#include #include using namespace std;struct point{ double x; double y... 阅读全文
posted @ 2019-04-15 12:13 湫叶 阅读(201) 评论(0) 推荐(0)
Even Number Theory
摘要：
题目链接 ps:Java水题。比赛的时候以为直接暴力。但其实TLE.然后打了一个表。然而，只找到一点规律。最后，找到了。其实就是把数转化为二进制。然后，遍历二进制中1.位数为n；ans+=2^n-1;然后ans用... 阅读全文
posted @ 2019-04-15 11:45 湫叶 阅读(96) 评论(0) 推荐(0)
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