code incognito discussion

I request all members plz share your approach for CODE INCOGNITO problems

It will benefit those who were unable to solve them

a great thx in advance

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I didn’t catch the contest, but it looks like the testcases for PRISTG may be broken.

My (post-contest) submission for PRISTG here was marked incorrect but the only marked-correct Python submission is extremely similar but fails to test the last character in the string so:


returns 0 instead of 1 and


returns 1 instead of 3.