c语言二维数组按每行的第一个数给行排序输出答:include <stdio.h>int main(int argc,char *argv[]){ int a[3][4]={{1,2,3,4},{0,9,8,-1},{-4,128,99}},*p[3],i,j,k,*q; for(i=0;i<3;p[i]=a[i++]); for(i=0;i<3;i++){ for(k=i,j=k+1;j<3;j++) if(*p[k]>*p[j]) k=j...
php取二维数组的值答:arr=array('a'=>array('1.1'=>1,'1.2'=>2,'1.3'=>3),'b'=>array('2.1'=>11,'2.2'=>22,'2.3'=>33),'c'=>array('3.1'=>111,'3.2'=>222,'3.3'=>333),'d'=>array('4.1'=>1111,'4.2'=>2222,'4.3'=>3333),'e'=>array('5.1'=>11111,'5.2'=...