A------------------------------------------------------------------------------------ 题目链接:http://202.197.224.59/OnlineJudge2/index.php/problem/read/id/1260 题解:随机 n 个数把矩阵补全成 n × n 的.那么就是要算伴随矩阵的第一行,也就是逆矩阵的第一列,高斯消元即可. 源码:(Q神写的高斯消元,先贴一下诶,待补) #include<cs…
2018 ACM-ICPC 中国大学生程序设计竞赛线上赛:https://www.jisuanke.com/contest/1227 题目链接:https://nanti.jisuanke.com/t/26219 Rock Paper Scissors Lizard Spock Description: Didi is a curious baby. One day, she finds a curious game, which named Rock Paper Scissors Lizard…
Timer Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 445 Accepted Submission(s): 90 Problem Description Recently, some archaeologists discovered an ancient relic on a small island in the Pa…
题目描述 Cainiao is a university student who loves ACM contest very much. It is a festival for him once when he attends ACM Asia Regional Contest because he always can find some famous ACMers there. Cainiao attended Asia Regional Contest Fuzhou Site on N…
http://poj.openjudge.cn/practice/C18H 题目 算平均数用到公式\[\bar{x}=\frac{x_1+x_2+x_3+\cdots+x_n}{n}\] 但如果用int型计算,那么\(x_1+x_2+x_3+\cdots+x_n\)可能会超过\(2^{31}-1\) 算6个数的平均数可以这么算 Calculate the average of\(x_1,x_2,x_3\)\[\bar{x}_1=\frac{x_1+x_2+x_3}{3}\]Calculate t…
题目链接: http://acm.nyist.edu.cn/JudgeOnline/problem.php?pid=1255 描述 Given N (4 <= N <= 100) rectangles and the lengths of their sides ( integers in the range 1..1,000), write a program that finds the maximum K for which there is a sequence of K of th…