利用指针数组求二维数组各行元素之和答:以下是利用指针数组求二维数组各行元素之和的代码:include <stdio.h>#define ROWS 3#define COLS 4 int main(){ int a[ROWS][COLS] = {{1,2,3,4},{5,6,7,8},{9,10,11,12}}; int sum[ROWS] = {0}; int *p[ROWS]; // 定义指针数组,每个元素都指向一行的首地址 ...
...数组,并为a赋初值2,4,6,8,10,12,要求先按行的顺序输出二维数组...答:int a[]={2, 4, 6, 8, 10, 12};int *p = a;int i, j;for(i = 0; i < 3; ++i){ for(j = 0; j <2; ++j){ printf("%d ", *p++);} printf("\n");} p = a;for(i = 0; i < 2; ++i){ for(j = 0; j < 3; ++j){ printf("%d ", *p);p+= 2...