编辑代码

#include <stdio.h>
include <string.h>
#define N 10
char str[N];
int main()
{
    void sort (char []);
    int i,flag;
    for (flag=1;flag==1;)
    {
        printf("input string: \n");
        scanf("%s",&str);
        if(strlen(str)>N)
        printf("string too long,input again!");
        else
        flag=0;
    }
    sort(str);
    printf("string sorted:\n");
    for(i=0;i<N;i++)
    printf("%c",str[i]);
    printf("\n");
    return 0;
    }
    void sort (char str[])
    {
        int i,j;
        char t;
        for(j=1;j<N;j++)
        for(i=0;(i<N-j)&&(str[i])!='\0');i++)
        if(str[i]>str[i+1])
        {
            t=str[i];
            str[i]=str[i+1];
            str[i+1]=t;
        }
    }