Created
February 9, 2012 23:45
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/* Function to print permutations of string | |
This function takes three parameters: | |
1. String | |
2. Starting index of the string | |
3. Ending index of the string. */ | |
void permute(char *a, int i, int n) | |
{ | |
int j; | |
if (i == n) | |
printf("%s\n", a); | |
else | |
{ | |
for (j = i; j <= n; j++) | |
{ | |
swap((a+i), (a+j)); | |
permute(a, i+1, n); | |
swap((a+i), (a+j)); //backtrack | |
} | |
} | |
} |
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