1 //二维数组每行输出平均值
2 //2017.3.7
3 #include <stdio.h>
4 #include <stdlib.h>
5
6 void Rand(int arr[][100], int n);
7 void OutputAvg(int arr[][100], int n);
8 int main()
9 {
10 int arr[100][100];
11 int n = 10;
12 int sum = 0;
13 //随机初始化数组
14 Rand(arr, n);
15 OutputAvg(arr, n);
16
17 //处理函数 求出每一行的和
18 for (int i = 0; i < n; i++)
19 {
20 for (int j = 0; j < n; j++)
21 {
22 sum = sum + arr[i][j];//求出每一行的值
23
24 }
25 printf("第%d行的平均值为%d\n", i + 1, sum);
26 }
27 system("pause");
28 return 1;
29 }
30
31 void Rand(int arr[][100], int n)
32 {
33 for (int i = 0; i < n; i++)
34 {
35 for (int j = 0; j < n; j++)
36 {
37 arr[i][j] = rand() % 100 + 11;
38 }
39 }
40 }
41
42 void OutputAvg(int arr[][100], int n)
43 {
44 for (int i = 0; i < n; i++)
45 {
46 for (int j = 0; j < n; j++)
47 {
48 printf("%-5d", arr[i][j]);
49 }
50 printf("\n");
51 }
52 }
