#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <locale.h>
int main()
{
	setlocale(LC_ALL,"Russian");
	system("chcp 1251");
	system("cls");
	FILE *fp, *fp1;
	int i,j,b,flag=1;
	char name[81];
	char name1[81];
	char str[81], c;
	printf("enter the name of the input file with '.txt'\n");
	gets(name);
	if ((fp=fopen(name,"r"))==NULL)
	{
		printf("imposible to open file\n");
		getchar();
		return 0;
	}

	printf("enter the name of the new file with '.txt'\n");
	gets(name1);
	fp1=fopen(name1,"w");
	while (!feof(fp))
	{
		if(fgets(str,80,fp))
		{
			i=0;
			j=0;
			b=strlen(str);
			//printf("%d",b);
            for(i=0;i<b-1;i++)
            {
                for(j=i+1;j<b;j++)
                {
                    if(str[i]<str[j])
                    {
                        c=str[i];
                        str[i]=str[j];
                        str[j]=c;
                        flag=0;
                    }
                }
            }
            if(str[i]=='\n') str[i]='\0';
			fputs(str, fp1);
			fputs("\n", fp1);
			puts(str);
			}
		}
	if(flag)
    {
        fprintf(fp1, "File has not changed\n");
        printf("File has not changed\n");
    }

	fclose(fp);
	fclose(fp1);
	return 0;
}