#include <stdio.h>
int distinct_or_not_string(char* string);
int main()
{
char str[20];
int result;
printf("please enter your string: ");
char *p = fgets(str,sizeof str,stdin);
if(p == NULL)
{
printf("Error occurred at reading the scan!");
return 1;
}
printf("\n");
result = distinct_or_not_string(str);
return 0;
}
int distinct_or_not_string(char *string)
{
int i=0,j;
while(string[i] != '\0')
{
j=i+1;
while(string[j] != '\0')
{
if(string[i] == string[j])
{
printf("false");
return 0;
}
j++;
}
i++;
}
printf("true");
return 1;
}