How to remove the repetition character occurrence from given string using C?

Question

Enter character: r
Enter string: programming
Output: Positions of 'r' in programming are: 2 5
Character 'r' occurred for 2 times

Answer 1

#include<stdio.h>
#include<string.h>

main()
{
char a[100],b[100]={0};
printf("Enter the string\n");
scanf("%s",a);
int f=strlen(a);
int i,j,k=0,count=0;
for(i=0;i<f;i++)
{
for(j=0;j<i;j++)
{
if(a[i]==b[j])
{
count=1;
}
}
if(count==0)
{
b[k++]=a[i];

}
count=0;
}

for(j=0;j<strlen(b);j++)
{
printf("%c",b[j]);
}
}