已知一个二维数组a[3][4]={1,2,3,4,5,6,7,8,9,10,11,12},求出所有元素...答:public static void main(String[] args) { Integer[] num={1,2,3,4,5,6,7,8,9,10,11,12};int sum=0;for(int i=0;i<num.length;i++){ sum+=num[i];} int avg=sum/num.length;for(int i=0;i<num.length;i++){ if(num[i]>avg){ System.out.println(num[i]+" 下标...
编程实现:求二维数组a[3][3]={1,2,3,4,5,6,7,8,9}的各行元素的和答:写了一个,请参考。include<stdio.h> int main(){ int a[3][3]={1,2,3,4,5,6,7,8,9};int i = 0, j = 0, sum = 0;for(i = 0; i < 3; i++){ sum = 0;for(j = 0; j < 3; j++){ sum += a[i][j];} printf("第%d行的和:%d\n", i, sum);} retu...
用vb设计一个3行4列的二维数组,分别求出每一行每一列元素之和,求...答:'定义一个多一行多一列的数组,就象表格,把汇总结果放在后头 Private Sub Command1_Click()Dim SourceSource = "4,35,43,56;43,65,34,26;34,54,35,56"'Source = InputBox("行以分号分隔,列以逗号分隔"): If Source = Empty Then Exit Sub'可以改为对话框输入Dim Table(1 To 4, 1 ...