6 ms·
Just picking digits from the diagonal might not work, you have to make sure the digits of the new number aren't equal to the ones on the diagonal, one way is to
by xchkr1337 3y ago
Just picking digits from the diagonal might not work, you have to make sure the digits of the new number aren't equal to the ones on the diagonal, one way is to add 1 mod 10, in the case you showed it would result with 0.209...