write a program which take a string give it permutations and combination

[jnabeel]

write a program which take a string give it permutations and combination should not repeat any letter

#include<conio.h>
#include<stdio.h>
#include<iostream.h>
#include<stdlib.H>
void main(void)
{
clrscr();
char a[3]
 //cout<<"ent int "<<endl;
> //cin<<a;
 atoi(a)
for(a=1;a<=3;a++)
 {
 for(b=1;b<=3;b++)
 {
for(c=1;c<=3;c++)
{
 cout<<a<<b<<c<<endl;
 }
 }
 }
getch(); 
}

for example:
cat

cat
act
tac
tca
atc
cta

[iamthwee]

Haven't you already asked this question? By the way if you keep spamming like this you'll eventually find yourself banned.

[jnabeel]

some mistakes in previous thread