C语言学习笔记 (006) - 二维数组传参的三种表现形式

 # include <stdio.h>
 # include <stdlib.h>
 # define M
 # define N 

 int getdate(int (*sp)[M]){
     int i,j,x;
     for(i=;i<N;i++,j=){
         while(j<M){
             x=rand()%;
             if(x>=){
             sp[i][j]=x;j++;
             }
         }
     }
     return ;
 }

 int lineave(int s[][M],float a[]){
     int i,j;
     float ave = 0.0;
     for(i=;i<N;i++,ave = 0.0){
         for(j=;j<M;j++){
             ave = ave +s[i][j];
         }
         a[i] = ave/M;
     }
     return ;
 }

 int outdate(int sp[N][M],float a[]){
     int i,j;
     printf("Output the result :\n");
     for(i=;i<N;i++){
         for(j=;j<M;j++)
             printf("%4d\t",sp[i][j]);
             printf(" :%6.2f\n",a[i]);
         }
     printf("\n");
     return ;
 }

 int main(void){
     int r[N][M] = {};
     float ave[N];
     getdate(r);
     lineave(r,ave);
     outdate(r,ave);
 }