Answer Posted / gaurav gangopadhyay

#include<stdio.h>
#include<conio.h>
void main()
{
char ch[10],stk[10];
int i=0;frq[10],b=-1,k,j;
printf("Enter string:");
gets(ch);
while(ch[i]!='\0')
{
if(b==-1)
{
b++;
stk[b]=ch[i];
frq[b]=frq[b]+1;
}
else
{
k=0;
for(j=0;j<=b;j++)
{
if(stk[j]==ch[i])
{
frq[j]=frq[j]+1;
k=1;
break;
}
}
if(k==0)
{
b++;
stk[b]=ch[i];
frq[b]=frq[b]+1;
}
}
i++;
}
for(i=0;i<=b;i++)
printf("\nNo of %c=%d",stk[i],frq[i]);
getch();
}

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