C语言编程:用指针表示法给一维数组元素输入值,输出各元素的值及元素之...答:include <stdio.h> int main(){ int a[6],i,sum,*p;printf("Please input data of a[6]:\n");for(i=0,p=a;i<6;++i)scanf("%d",p++);printf("Output arry:\n");for(i=0,sum=0,p=a;i<6;++i){ printf("%d ",*p);sum+=*p++;} printf("\ns=%d\n",sum);return ...
c语言 对角线数据 输入一个5×5的数组,分别求其主对角线和辅对角线...答:include <stdio.h> void main(){ int a[5][5]={1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25},i,j,sum1=0,sum2=0;for (i=0;i<5;i++){ for(j=0;j<5;j++){ if(i==j)sum1=sum1+a[i][j];if(i+j==4)sum2=sum2+a[i][...
c语言求二维数组中所有元素的和答:include<stdio.h> int main(void){ int ar[3][3]= { {1,2,3},{4,5,6},{7,8,9} };int num;int i,j;int k = 0,sum=0;int (*ptr)[3];ptr = ar;num = sizeof(ar) / sizeof(ar[0]);printf("num = %d\n",num);printf("%d\n",*(*(ptr +0) + 1));for(...