Created
September 30, 2016 15:48
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Combination of Strings
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#include <iostream> | |
#include <cstring> | |
#include<cstdio> | |
using namespace std; | |
void swap(char*,char*); | |
void combo(char *, int, int); | |
void combo(char*); | |
int main() | |
{ | |
char ch[100]; | |
cout<<"Enter a string: "; | |
cin.getline(ch,100); | |
cout<<endl<<"The possible combinations are: "<<endl; | |
combo(ch); | |
return 0; | |
} | |
void swap(char* a, char* b) | |
{ | |
char temp = *a; | |
*a = *b; | |
*b = temp; | |
} | |
void combo(char *word, int n, int l) | |
{ | |
if (n == l - 1) | |
cout << word << endl; | |
else | |
{ | |
for (int i = n; i < l; i++) | |
{ | |
swap((word+n), (word+i)); | |
combo(word, n + 1, l); | |
swap((word+n), (word+i)); | |
} | |
} | |
} | |
void combo(char *p) | |
{ int l=strlen(p); char *str; str=new char[l+1]; strcpy(str,p); | |
l = strlen(str); | |
int pos = 0; | |
combo(str, pos, l); | |
} |
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