find all permutations of a string
void permute(string a, int l, int r)
{
// Base case
if (l == r)
cout<<a<<endl;
else
{
// Permutations made
for (int i = l; i <= r; i++)
{
// Swapping done
swap(a[l], a[i]);
// Recursion called
permute(a, l+1, r);
//backtrack
swap(a[l], a[i]);
}
}
}permutation of a string in python
# Function to find permutations of a given string
from itertools import permutations
def allPermutations(str):
# Get all permutations of string 'ABC'
permList = permutations(str)
# print all permutations
for perm in list(permList):
print (''.join(perm))
# Driver program
if __name__ == "__main__":
str = 'ABC'
allPermutations(str)Copyright © 2021 Codeinu
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