Quiz doubts in quesiton

#1

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#2

why ans is a?
It should be b na?

#3

next_permutation of(cba) is nothing
it is last permutation so next_permutation return false and also change s to abc hence a is ans

#4

so if we do next permutation on last permutation it will give original number?

#5

Its a cyclic thing, you start at a particular location and if you print 56 (say) times
Then the permutations will repeat
For example:
bca (start)
…
cba
abc
acb
bac
…
Upto 56 times

#6

It will iterate as many times you want!

#7

what is 56 times?not getting

#8

Code:

string s=“bca”;
for(int i=0;i<56;i++){
next_permutation(s.begin(), s.end());
cout<<s<<endl;
}

Output:
cab
cba
abc
acb
…
(56 times)

#9

ok if we do thiss in while loop then it wiill not repeat bbecause it will return false?

#10

Here it very weired options given, the output will have only…
Output:(to original question)
bca cab cba
(Thats it!)
There is error in option itself!

#11

so you mean options are incorrect?

#12

yes
the correct output is :bca cab cba

#13

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