编辑代码

#include<stdio.h>
#include<string.h>
#include<stdlib.h>
#include<time.h>
#define LEN 10
#define PART 5
char get_rand_char(int n){
    srand((unsigned)time(NULL));
    int part = LEN/PART;
    if(n==part){
    return'0'+(n-1)*part+rand()%(part+LEN%PART);
}else{
     return '0' +(n-1)*part + rand() %part;
}
}
int main () {
    char a = get_rand_char(1);
    char b = get_rand_char(2);
    char c = get_rand_char(3);
    char d = get_rand_char(4);
    char e = get_rand_char(5);
    printf("%c%c%c%c%c\n",a,b,c,d,e);
    return 0;
}