PHP-Fusion Powered Website - Articles: C++ Program to Print All Permutations using BackTracking

Users Online

· Guests Online: 15

· Members Online: 0

· Total Members: 188
· Newest Member: meenachowdary055

Forum Threads

Newest Threads

No Threads created

Hottest Threads

No Threads created

Latest Articles

· How to Set Priorities
· Chart of Accounts
· Types of Cyber Attacks
· How Https works
· Security Camera

Oh no! Where's the JavaScript?
Your Web browser does not have JavaScript enabled or does not support JavaScript. Please enable JavaScript on your Web browser to properly view this Web site,
or upgrade to a Web browser that does support JavaScript; Firefox, Safari, Opera, Chrome or a version of Internet Explorer newer then version 6.

Articles Hierarchy

Articles Home » C++ » C++ Program to Print All Permutations using BackTracking

C++ Program to Print All Permutations using BackTracking

This C++ Program demonstrates the generation of all Permutations using BackTracking.

Here is source code of the C++ Program to Generate All Permutations using BackTracking. The C++ program is successfully compiled and run on a Linux system. The program output is also shown below.

```
/*
```

 * C++ Program to Generate All Permutations using BackTracking

```
 */
```
```
#include <iostream>
```
```
#include <cstdio>
```
```
#include <cstring>
```
```
#include <cstdlib>
```
```
using namespace std;
```
```
 
```
```
/* swap values at two pointers */
```
```
void swap (char *x, char *y)
```
```
{
```
```
    char temp;
```
```
    temp = *x;
```
```
    *x = *y;
```
```
    *y = temp;
```
```
}
```
```
 
```
```
/* print permutations of string */
```
```
void permute(char *a, int i, int n)
```
```
{
```
```
    int j;
```
```
    if (i == n)
```
```
        cout<<a<<endl;
```
```
    else
```
```
    {
```
```
        for (j = i; j <= n; j++)
```
```
        {
```
```
            swap((a + i), (a + j));
```
```
            permute(a, i + 1, n);
```
```
            swap((a+i), (a + j));
```
```
       }
```
```
   }
```
```
}
```
```
 
```
```
/* Main*/
```
```
int main()
```
```
{
```
```
    char a[] = "abcd";
```
```
    permute(a, 0, 3);
```
```
    return 0;
```
```
}
```

$ g++ permutations_back.cpp
$ a.out
 
abcd
abdc
acbd
acdb
adcb
adbc
bacd
badc
bcad
bcda
bdca
bdac
cbad
cbda
cabd
cadb
cdab
cdba
dbca
dbac
dcba
dcab
dacb
dabc
 
------------------
(program exited with code: 1)
Press return to continue

Users Online

Forum Threads

Latest Articles

Articles Hierarchy

C++ Program to Print All Permutations using BackTracking

C++ Program to Print All Permutations using BackTracking

Comments

Post Comment

Ratings