C语言通过指针 将一个二维数组赋值给另一个二维数组答:include <stdio.h>void copy_arr(double(*)[5],double(*)[5],int ,int);int main(void){int n,m;double source[2][5]={{2.6,3.7,5.8,4.2,3.3},{1.7,5.4,6.3,4.7,6.2}};double target1[2][5]={0};printf("Before operation:\n");printf("source :");for (n...
javascript中怎样给二维数组赋值答:var a = [ [1,2,3],[4,5,6]];a[0][1] = 333 // [ [1, 333, 3], [4,5,6]];var b = {a:111, b:{c:444}};b.b.c = 555 // {a:111, b:{c:555}};