include<stdio.h>int mian(){ char a[100]; scanf("%s",a); \/\/键盘输入字符串 printf("%s",a);\/\/控制台输出字符串 return 0;}
t[MAXSIZE/4][5];int i,j,k,len,num,n = 0;printf("输入数字串:\n");fgets(s,MAXSIZE,stdin);len = strlen(s) - 1;i = len - 4;while(i >= 0) {for(j = 0; j < 4; ++j)t[n][j] = s[i + j];