java计算两个矩阵相乘
import java.util.Scanner;public class matrix { public static double[][] multiplyMatrix(double[][] a,double[][] b){ if(a[0].length != b.length) { System.out.println("输入错误"); r...
codeforces 746 C. Tram【水题】
C. Tramtime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputThe tram in Berland goes along a straight line from
php的数组与字符串的转换函数整理汇总
1 将一个字符串转化为数组str_split()用于将一个字符串转化为数组语法:复制代码 代码如下:str_split(string,le