C语言题目答:这是一个二维数组 a[0][4]={1,2,3,4} a[1][4]={5,6,7,8} a[2][4]={9,10,11,12} a[3][4]={13,14,15,16} for进行了四次循环,每次循环加上二维数组的第2列的数。所以sum==2+6+10+14=32 正确代码如下:include "stdio.h"void main(){ int a[4][4]={1,2,3,...
c语言求二维数组中所有元素的和答: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(i = 0; i < 3...
用C语言编一个程序求一个二维数组各行数求和答:int main(){ int a[5][5] = {{0, 1, 2, 3, 4}, {1, 2, 3, 4, 5}, {2, 3, 4, 5, 6}, {3, 4, 5, 6, 7}, {4, 5, 6, 7, 8}};for (int i = 0; i < 5; ++i){ int sum = 0;for (int j = 0; j < 5; ++j){ sum = sum + a[i][j];}...
怎样用C语言编程计算二维数组每一行和每一列数的和? 麻烦测试好了发我...答:96, 80, 90, 92, 84, 88,88, 80, 78, 86, 84, 80,77, 76, 86, 88, 80, 85 };void main(void){ float sum1[5] = {0,0,0,0,0};//行的和 float sum2[6] = { 0, 0, 0, 0, 0 ,0};//列的和 for (int i = 0; i < 5; i++){ for (int j = 0; j ...