Integers without repeating consecutively
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Jose Grimaldo
il 15 Ott 2019
Commentato: Blaine Warner
il 8 Ott 2021
A pincode consists of N integers between 1 and 9. In a valid pincode, no integer is allowed to repeat consecutively. For example, 1, 4, 5, 5, 6, 7 is invalid because 5 occurs twice. I tested the example but it does not outputs what the example shows. Any suggestions.
![Screenshot (142).png](https://www.mathworks.com/matlabcentral/answers/uploaded_files/242673/Screenshot%20(142).png)
1 Commento
Image Analyst
il 15 Ott 2019
Insert code or attach the m-file. Make it easy for people to help you, not hard.
Risposta accettata
Shivam Prasad
il 17 Ott 2019
Modificato: Shivam Prasad
il 17 Ott 2019
Hi Jose,
Check if the following code works for you:-
function [repPos, pinCodeFix] = pinCodeCheck(pinCode)
repPos = [];
pinCodeFix = [pinCode(1)];
for i=2:length(pinCode)
if pinCode(i-1) == pinCode(i)
repPos = [repPos i];
else
pinCodeFix = [pinCodeFix pinCode(i)];
end
end
end
Produces the output as:-
repPos =
3 5
pinCodeFix =
2 9 5 3
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Più risposte (1)
Andrei Bobrov
il 17 Ott 2019
function [repPos, pinCodeFix] = pinCodeCheck(pinCode)
lo = [true;diff(pinCode(:)) ~= 0];
repPos = find(~lo);
pinCodeFix = pinCode(lo);
end
1 Commento
Blaine Warner
il 8 Ott 2021
i don't think we are supposed to have learned any of that yet, if we are going in order of what we've learned how to impliment in the chapters, (and this homework requires using arrays which arent taught until the next chapter anyway, to the professor made these extra credit) all we are supposed to use is loops, arrays, and branches
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