题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=4716 题目大意不用解释了吧,看案例就能明白 #include<cstdio> #include <iostream> using namespace std; int main() { int t,n; scanf("%d",&t); ]="*------------*"; ]="|............|"; ]=…

A Computer Graphics Problem Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 336    Accepted Submission(s): 277 Problem Description In this problem we talk about the study of Computer Graphics.…

A Computer Graphics Problem Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 43    Accepted Submission(s): 40 Problem Description In this problem we talk about the study of Computer Graphics. Of…

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=4720 题目大意:给你四个点,用前三个点绘制一个最小的圆,而这三个点必须在圆上或者在圆内,判断最一个点如果在圆外则是安全的,否则是危险的. 解题思路:我是先借用了别人的模板求三个点组成的最小的圆的圆心以及半径,就列出了圆的标准方程,将第四个点代入其中,则即可以判断此点是否在圆上还是圆外. AC代码: #include <iostream> #include <cstdio> #inclu…

题目传送门 /* 水题:看见x是十的倍数就简单了 */ #include <cstdio> #include <iostream> #include <algorithm> #include <cstring> #include <string> #include <cmath> using namespace std; ; const int INF = 0x3f3f3f3f; int main(void) //HDOJ 4716…

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=4727 题目大意:队列里所有人进行报数,要找出报错的那个人 思路:,只要找出序列中与钱一个人的数字差不是1的人即可,但是要注意的是这些人是从一个队列中间截取下来的,所以很有可能第一个人就报错了,一开始没有考虑这种状况所以出错了 #include<cstdio> #include <iostream> using namespace std; int main() { int t,n,an…

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=4722 题目大意:给定一个区间,求区间中有多少个满足每位上的数的和是10的倍数. 解题思路:先打表暴力求出前200项符合条件的个数,然后再找规律. 0~9    0    1个 10~19  9   1个 20~-29  18  1个 0~100         10个 0~200         20个 基本规律:r/10-(l-1)/10;只需要找两端点是否在范围内即可 #include<cstd…

A Computer Graphics Problem Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 92    Accepted Submission(s): 80 Problem Description In this problem we talk about the study of Computer Graphics. Of…

Cut the Cake Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 300    Accepted Submission(s): 135 Problem Description MMM got a big big big cake, and invited all her M friends to eat the cake toge…

Count The Pairs Time Limit: 20000/10000 MS (Java/Others)    Memory Limit: 65535/65535 K (Java/Others)Total Submission(s): 277    Accepted Submission(s): 150 Problem Description   With the 60th anniversary celebration of Nanjing University of Science…