请问,C语言中如何取二维数组某一列,并转化为一维数组?越简单越好,谢谢...答:include<stdio.h> void main(){ int a[3][2]={1,2,3,4,5,6};int b[3],i;scanf("%d",&l);//输入要取的列号 for(i=0;i<3;i++)b[i]=a[i][l];}
php二维数组,相同值求和,并返回新的数组答:<?php$old_arr = array( array(1,107,100,83,44,111), array(100,109,126,86,93,22), array(10,113,126,86,93,22), array(100,109,126,86,93,22),);$new_arr = array(0,0,0,0,0,0);foreach($old_arr as $arr){ for ($i = 0; $i < 6; $i++) ...