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| author | James Smith <js5@sanger.ac.uk> | 2021-11-03 09:45:29 +0000 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-11-03 09:45:29 +0000 |
| commit | 6b81c6011a881bf35dc6ad4223e1039de472ce9f (patch) | |
| tree | a307adde28f641db527d6103210685fdb5ad9210 | |
| parent | 22f053b5f6b1467aff8d31bc00ab5f5d05ee0e38 (diff) | |
| download | perlweeklychallenge-club-6b81c6011a881bf35dc6ad4223e1039de472ce9f.tar.gz perlweeklychallenge-club-6b81c6011a881bf35dc6ad4223e1039de472ce9f.tar.bz2 perlweeklychallenge-club-6b81c6011a881bf35dc6ad4223e1039de472ce9f.zip | |
Update README.md
| -rw-r--r-- | challenge-137/james-smith/README.md | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/challenge-137/james-smith/README.md b/challenge-137/james-smith/README.md index 5041193d73..f6a5e27564 100644 --- a/challenge-137/james-smith/README.md +++ b/challenge-137/james-smith/README.md @@ -130,7 +130,7 @@ This lead me to seeing if I could a longer list of compute Lychrel numbers, this Here is the perl - I will try and explain how it works afterwards. ```perl -my( @sieve, @seeds, %lychrel ); +my( %seeds, %lychrel ); sub lychrel_large_seed { my ( $c, $n, @n ) = ( $COUNT, $_[0], split //, $_[0] ); @@ -138,10 +138,10 @@ sub lychrel_large_seed { my @r = reverse @n; my $rn = join '', @r; my $nn = join '', @n; - return exists $lychrel{$seeds[$rn]} if $rn < $S_MAX*$MULT && $r[0] && defined $seeds[$rn] ; - return exists $lychrel{$seeds[$nn]} if $nn < $S_MAX*$MULT && defined $seeds[$nn]; - $seeds[ $rn ] = $n if $rn < $S_MAX*$MULT && $r[0]; - $seeds[ $nn ] = $n if $nn < $S_MAX*$MULT; + return exists $lychrel{$seeds{$rn}} if $r[0] && defined $seeds{$rn}; + return exists $lychrel{$seeds{$nn}} if defined $seeds{$nn}; + $seeds{ $rn } = $n if $rn < $S_MAX*$MULT && $r[0]; + $seeds{ $nn } = $n if $nn < $S_MAX*$MULT; return 0 if $rn eq $nn; ## Check if palindromic ## Add the arrays as if numbers - note this is compact - but does the job! ( $n[$_] += $r[$_] ) > 9 && ($n[$_] -= 10, $_ ? ($n[$_-1]++) : (unshift @n, 1) ) for reverse 0 .. @n-1; @@ -150,8 +150,8 @@ sub lychrel_large_seed { } foreach my $n (10..$S_MAX) { - if( defined $seeds[$n] ) { - $lychrel{$n}++ if exists $lychrel{$seeds[$n]}; + if( defined $seeds{$n} ) { + $lychrel{$n}++ if exists $lychrel{$seeds{$n}}; next; } $lychrel{$n}=1 if lychrel_large_seed($n); |
