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authorMohammad S Anwar <mohammad.anwar@yahoo.com>2021-11-15 03:07:56 +0000
committerMohammad S Anwar <mohammad.anwar@yahoo.com>2021-11-15 03:07:56 +0000
commit814dadd73434d2f7fa6db52a424d6b059913be64 (patch)
tree68dcec0169fa7158160fcd5b2681631719219f8c
parent24cd30b39971a866bd7f318d1d670e877f3061bf (diff)
downloadperlweeklychallenge-club-814dadd73434d2f7fa6db52a424d6b059913be64.tar.gz
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perlweeklychallenge-club-814dadd73434d2f7fa6db52a424d6b059913be64.zip
- Added solutions by Colin Crain.
-rwxr-xr-xchallenge-138/colin-crain/perl/ch-1.pl98
-rwxr-xr-xchallenge-138/colin-crain/perl/ch-2.pl156
-rw-r--r--stats/pwc-current.json499
-rw-r--r--stats/pwc-language-breakdown-summary.json52
-rw-r--r--stats/pwc-language-breakdown.json1960
-rw-r--r--stats/pwc-leaders.json728
-rw-r--r--stats/pwc-summary-1-30.json42
-rw-r--r--stats/pwc-summary-121-150.json42
-rw-r--r--stats/pwc-summary-151-180.json98
-rw-r--r--stats/pwc-summary-181-210.json38
-rw-r--r--stats/pwc-summary-211-240.json48
-rw-r--r--stats/pwc-summary-241-270.json60
-rw-r--r--stats/pwc-summary-31-60.json40
-rw-r--r--stats/pwc-summary-61-90.json36
-rw-r--r--stats/pwc-summary-91-120.json34
-rw-r--r--stats/pwc-summary.json36
16 files changed, 2118 insertions, 1849 deletions
diff --git a/challenge-138/colin-crain/perl/ch-1.pl b/challenge-138/colin-crain/perl/ch-1.pl
new file mode 100755
index 0000000000..2e7e7f574e
--- /dev/null
+++ b/challenge-138/colin-crain/perl/ch-1.pl
@@ -0,0 +1,98 @@
+#!/Users/colincrain/perl5/perlbrew/perls/perl-5.32.0/bin/perl
+#
+# .pl
+#
+#
+# Workdays
+# Submitted by: Mohammad S Anwar
+# You are given a year, $year in 4-digits form.
+#
+# Write a script to calculate the total number of workdays in the given year.
+#
+# For the task, we consider, Monday - Friday as workdays.
+#
+# Example 1
+# Input: $year = 2021
+# Output: 261
+# Example 2
+# Input: $year = 2020
+# Output: 262
+
+# method:
+#
+# Ahh, another DateTime problem, as far as I'm concerned.
+# Excellent. This is good for me, actually, as I could use more
+# immediate familiiarity with that module. I did previusly use
+# Date::Manip on a project, but I think I'm going to move on
+# over on this one. Let's take 'er out for a spin, as they say.
+#
+# The way we'll do this is to count them. We have January 1st,
+# and a set duration of one day. We assess a day, chalk it up
+# if its a workday, count down the days remaining to be
+# counted, and move to the next day.
+#
+# Some people would solve this by determining whether its a
+# leap year and responding 261 or 262 appropriately, but I
+# consider this unsporting. I will pretend I don't know the
+# answer and recalculate it.
+#
+# I think it's the scientist thing. There's no shame in
+# repeating an experiment. I suppose I am relying on DateTime
+# to give me the correct days of the week, but recreating that
+# calculation breaks the covenant to not mess with doing your
+# own calender calculations. The calender we use is a twisted
+# artifact wedged and shimmed into fitting just right,
+# requiring constant maintenance to properly reflect the
+# physical world we live in. Leap years are child's play, a
+# hack from centuries ago. Leap century years are geeting
+# there, but leap seconds are where its at, baby, and don't you
+# forget. We must properly account for Earth's perturbations on
+# its axis. I do pity the poor spacecraft designers, who need
+# to toss reletivity into the mix. I don't know how they do it.
+#
+# Seriously, I don't know how they do it. Probably a lot of
+# little post-corrections whenever things get out of line. But
+# that's just a guess. Try and avoid making it matter and fix
+# it in editing.
+#
+# In any case we're going to play around with durations a bit
+# and count the days. Come on, it'll be fun.
+#
+#
+# © 2021 colin crain
+## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ##
+
+
+
+use warnings;
+use strict;
+use utf8;
+use feature ":5.26";
+use feature qw(signatures);
+no warnings 'experimental::signatures';
+
+use DateTime;
+
+my $year = shift @ARGV || 2020;
+
+my $dt = DateTime
+ ->new( year => $year ,
+ month => 1 ,
+ day => 1 );
+
+my $dur = DateTime::Duration
+ ->new ( days => 1 );
+
+my $num_days = 365;
+$dt->is_leap_year && $num_days++;
+my $workdays;
+
+
+while ( $num_days-- ) {
+ $dt->dow < 6 && $workdays++;
+ $dt->add( $dur );
+}
+
+say $workdays;
+
+
diff --git a/challenge-138/colin-crain/perl/ch-2.pl b/challenge-138/colin-crain/perl/ch-2.pl
new file mode 100755
index 0000000000..d94ef038d6
--- /dev/null
+++ b/challenge-138/colin-crain/perl/ch-2.pl
@@ -0,0 +1,156 @@
+#!/Users/colincrain/perl5/perlbrew/perls/perl-5.32.0/bin/perl
+#
+# .pl
+#
+# Split Number
+# Submitted by: Mohammad S Anwar
+# You are given a perfect square.
+#
+# Write a script to figure out if the square root the given number
+# is same as sum of 2 or more splits of the given number.
+#
+# Example 1
+# Input: $n = 81
+# Output: 1
+#
+# Since, sqrt(81) = 8 + 1
+#
+# Example 2
+# Input: $n = 9801
+# Output: 1
+#
+# Since, sqrt(9801) = 98 + 0 + 1
+#
+# Example 3
+# Input: $n = 36
+# Output: 0
+#
+# Since, sqrt(36) != 3 + 6
+#
+#
+# method:
+#
+# "2 or more splits of the given number"
+#
+# The what of the what? Splits? What is that? I mean, I see what it
+# is. You might call it a sort of "digital partioning", with
+# sequential digits grouped in various arrangements. It's
+# mathematically curious because the positional values change for a
+# given digit depending on the segmentation. Mathematically it's
+# all very weird.
+#
+# SOmehow I doubt there's any other name for it: "splits" is as
+# good as any, but "digital partition" at least sounds like a
+# specific process, like the digital root with 50% less Voodoo. Or
+# maybe Kabbalah would be more accurate.
+#
+# In any case it all soounds very complex if we look at the groups
+# of numbers generated when multiple splitting variations are
+# available. One thing is noteworthy, however, and that is that we
+# are taking ordered sets; if different partitionings generate the
+# same set of values, and hence the same sum, from different
+# groupings of the digits, then that's just coincidence. The
+# different groupings are different partitions and that is that.
+#
+# For example take the number 361361. There are many partitions
+# available, but two of these are (36) + (1) + (3) + (6) + (1) and
+# (3) + (6) + (1) + (36) + (1) As the divisions lie in different
+# places, they would be different partitions, or slices. As they
+# sum to the same value this makes no difference for this task. The
+# task asks only whether such a matching digital partition exists,
+# not what it is.
+#
+# Of ocurse we're going to ignore that and find them all. That,
+# after all, is how we roll.
+#
+# Focusing on the numbers produced is daunting, as the values a
+# given digit may have changes drastically as it changes
+# positionally, so I think it best to not solve the problem
+# mathematically at all. We're looking at an ordered collection of
+# items and wish to divide it into groups, maintaining local
+# postional order. We can do that by focusing not on the items, but
+# rather on the division points.
+#
+# There are n-1 division points between items, in this case the
+# individual digits. Each point can either hold a division or not,
+# or occupy one of two states. Another way of saying this is we are
+# looking for a set of subsets of a set of n-1 elements, which has
+# 2^n-1 elements. The states, whether we have a division between
+# two chaaracters or not, can be mapped to a bit in a binary number
+# matching that position: a three digit binary number can map to
+# the three divisions between four characters. If the bit is set,
+# we make a slice, or if it is not we leave the characters
+# connected. If we do this over the range from 0 to (2^n-1)-1 we
+# will create a template for every combination of splits and joins
+# possible between n characters, and hence every substring
+# combination.
+#
+# We are given a perfect square, so we know that the square root
+# will be an integer. Just to be sure we could validate our inpout
+# at this point to make sure we're all on the same page, so to
+# speak.
+
+
+
+
+#
+# © 2021 colin crain
+## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ## ##
+
+
+
+use warnings;
+use strict;
+use utf8;
+use feature ":5.26";
+use feature qw(signatures);
+no warnings 'experimental::signatures';
+use List::Util qw( sum );
+
+for my $num (1..100000) {
+
+ $num *= $num;
+ my @output = digipart( $num );
+ next unless scalar @output;
+
+ say "INPUT: ", $num;
+ say "OUTPUT: found ", scalar @output, " solutions";
+
+ for (1..scalar @output) {
+ say join ' + ', (shift @output)->@*;
+ }
+
+ say '';
+
+}
+
+sub perfect_root ( $num ) {
+## checks to see whether $num is a perfect square. If so, returns the
+## square root, if not, returns 0
+ my $root = int(sqrt $num);
+ return $root**2 == $num
+ ? $root
+ : 0 ;
+}
+
+sub digipart ( $num ) {
+ my $root = perfect_root( $num );
+ my $div = length($num) - 1;
+ my $bfmt = "%0${div}b";
+ my @output;
+
+ for (0..2**$div-1) {
+ my $bin = sprintf $bfmt, $_;
+ my @sliced = substr $num, 0, 1;
+ for my $pos (0..$div-1) {
+ substr ($bin, $pos, 1) == 1
+ ? $sliced[-1] .= substr $num, $pos+1, 1
+ : push @sliced, substr $num, $pos+1, 1 ;
+ }
+ if ( sum(@sliced) == $root ) {
+ push @output, \@sliced;
+ }
+ }
+ return @output;
+}
+
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index 158375f22c..cc0e66beba 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,35 +1,202 @@
{
- "chart" : {
- "type" : "column"
+ "title" : {
+ "text" : "The Weekly Challenge - 138"
},
- "tooltip" : {
- "followPointer" : 1,
- "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>",
- "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>"
+ "subtitle" : {
+ "text" : "[Champions: 32] Last updated at 2021-11-15 03:06:16 GMT"
},
"plotOptions" : {
"series" : {
- "borderWidth" : 0,
"dataLabels" : {
- "enabled" : 1,
- "format" : "{point.y}"
- }
+ "format" : "{point.y}",
+ "enabled" : 1
+ },
+ "borderWidth" : 0
}
},
- "xAxis" : {
- "type" : "category"
- },
- "subtitle" : {
- "text" : "[Champions: 31] Last updated at 2021-11-15 02:01:15 GMT"
- },
+ "series" : [
+ {
+ "name" : "The Weekly Challenge - 138",
+ "colorByPoint" : 1,
+ "data" : [
+ {
+ "y" : 4,
+ "name" : "Abigail",
+ "drilldown" : "Abigail"
+ },
+ {
+ "drilldown" : "Andrew Shitov",
+ "name" : "Andrew Shitov",
+ "y" : 1
+ },
+ {
+ "y" : 4,
+ "name" : "Arne Sommer",
+ "drilldown" : "Arne Sommer"
+ },
+ {
+ "name" : "Athanasius",
+ "drilldown" : "Athanasius",
+ "y" : 4
+ },
+ {
+ "drilldown" : "Bob Lied",
+ "name" : "Bob Lied",
+ "y" : 2
+ },
+ {
+ "drilldown" : "Bruce Gray",
+ "name" : "Bruce Gray",
+ "y" : 5
+ },
+ {
+ "y" : 3,
+ "name" : "Cheok-Yin Fung",
+ "drilldown" : "Cheok-Yin Fung"
+ },
+ {
+ "drilldown" : "Colin Crain",
+ "name" : "Colin Crain",
+ "y" : 2
+ },
+ {
+ "y" : 3,
+ "drilldown" : "Dave Jacoby",
+ "name" : "Dave Jacoby"
+ },
+ {
+ "name" : "Duncan C. White",
+ "drilldown" : "Duncan C. White",
+ "y" : 2
+ },
+ {
+ "y" : 2,
+ "name" : "E. Choroba",
+ "drilldown" : "E. Choroba"
+ },
+ {
+ "y" : 6,
+ "drilldown" : "Flavio Poletti",
+ "name" : "Flavio Poletti"
+ },
+ {
+ "drilldown" : "James Smith",
+ "name" : "James Smith",
+ "y" : 3
+ },
+ {
+ "name" : "Jan Krnavek",
+ "drilldown" : "Jan Krnavek",
+ "y" : 2
+ },
+ {
+ "y" : 2,
+ "name" : "Jorg Sommrey",
+ "drilldown" : "Jorg Sommrey"
+ },
+ {
+ "name" : "Laurent Rosenfeld",
+ "drilldown" : "Laurent Rosenfeld",
+ "y" : 5
+ },
+ {
+ "drilldown" : "Lubos Kolouch",
+ "name" : "Lubos Kolouch",
+ "y" : 2
+ },
+ {
+ "y" : 6,
+ "drilldown" : "Luca Ferrari",
+ "name" : "Luca Ferrari"
+ },
+ {
+ "y" : 2,
+ "name" : "Mark Anderson",
+ "drilldown" : "Mark Anderson"
+ },
+ {
+ "name" : "Matthew Neleigh",
+ "drilldown" : "Matthew Neleigh",
+ "y" : 1
+ },
+ {
+ "name" : "Mohammad S Anwar",
+ "drilldown" : "Mohammad S Anwar",
+ "y" : 2
+ },
+ {
+ "name" : "Niels van Dijke",
+ "drilldown" : "Niels van Dijke",
+ "y" : 2
+ },
+ {
+ "drilldown" : "Paulo Custodio",
+ "name" : "Paulo Custodio",
+ "y" : 2
+ },
+ {
+ "y" : 2,
+ "drilldown" : "Pete Houston",
+ "name" : "Pete Houston"
+ },
+ {
+ "name" : "Peter Campbell Smith",
+ "drilldown" : "Peter Campbell Smith",
+ "y" : 2
+ },
+ {
+ "y" : 2,
+ "name" : "Robert DiCicco",
+ "drilldown" : "Robert DiCicco"
+ },
+ {
+ "y" : 5,
+ "name" : "Roger Bell_West",
+ "drilldown" : "Roger Bell_West"
+ },
+ {
+ "drilldown" : "Simon Green",
+ "name" : "Simon Green",
+ "y" : 3
+ },
+ {
+ "y" : 2,
+ "drilldown" : "Steven Wilson",
+ "name" : "Steven Wilson"
+ },
+ {
+ "name" : "Ulrich Rieke",
+ "drilldown" : "Ulrich Rieke",
+ "y" : 4
+ },
+ {
+ "name" : "W. Luis Mochan",
+ "drilldown" : "W. Luis Mochan",
+ "y" : 3
+ },
+ {
+ "name" : "Wanderdoc",
+ "drilldown" : "Wanderdoc",
+ "y" : 2
+ }
+ ]
+ }
+ ],
"yAxis" : {
"title" : {
"text" : "Total Solutions"
}
},
+ "legend" : {
+ "enabled" : 0
+ },
+ "chart" : {
+ "type" : "column"
+ },
"drilldown" : {
"series" : [
{
+ "id" : "Abigail",
"data" : [
[
"Perl",
@@ -40,17 +207,16 @@
2
]
],
- "name" : "Abigail",
- "id" : "Abigail"
+ "name" : "Abigail"
},
{
+ "id" : "Andrew Shitov",
"data" : [
[
"Raku",
1
]
],
- "id" : "Andrew Shitov",
"name" : "Andrew Shitov"
},
{
@@ -68,10 +234,12 @@
1
]
],
- "name" : "Arne Sommer",
- "id" : "Arne Sommer"
+ "id" : "Arne Sommer",
+ "name" : "Arne Sommer"
},
{
+ "name" : "Athanasius",
+ "id" : "Athanasius",
"data" : [
[
"Perl",
@@ -81,21 +249,20 @@
"Raku",
2
]
- ],
- "id" : "Athanasius",
- "name" : "Athanasius"
+ ]
},
{
"id" : "Bob Lied",
- "name" : "Bob Lied",
"data" : [
[
"Perl",
2
]
- ]
+ ],
+ "name" : "Bob Lied"
},
{
+ "id" : "Bruce Gray",
"data" : [
[
"Perl",
@@ -110,11 +277,9 @@
1
]
],
- "id" : "Bruce Gray",
"name" : "Bruce Gray"
},
{
- "id" : "Cheok-Yin Fung",
"name" : "Cheok-Yin Fung",
"data" : [
[
@@ -125,9 +290,21 @@
"Blog",
1
]
- ]
+ ],
+ "id" : "Cheok-Yin Fung"
},
{
+ "name" : "Colin Crain",
+ "data" : [
+ [
+ "Perl",
+ 2
+ ]
+ ],
+ "id" : "Colin Crain"
+ },
+ {
+ "id" : "Dave Jacoby",
"data" : [
[
"Perl",
@@ -138,28 +315,27 @@
1
]
],
- "name" : "Dave Jacoby",
- "id" : "Dave Jacoby"
+ "name" : "Dave Jacoby"
},
{
- "name" : "Duncan C. White",
- "id" : "Duncan C. White",
"data" : [
[
"Perl",
2
]
- ]
+ ],
+ "id" : "Duncan C. White",
+ "name" : "Duncan C. White"
},
{
- "id" : "E. Choroba",
- "name" : "E. Choroba",
"data" : [
[
"Perl",
2
]
- ]
+ ],
+ "id" : "E. Choroba",
+ "name" : "E. Choroba"
},
{
"name" : "Flavio Poletti",
@@ -180,8 +356,6 @@
]
},
{
- "name" : "James Smith",
- "id" : "James Smith",
"data" : [
[
"Perl",
@@ -191,7 +365,9 @@
"Blog",
1
]
- ]
+ ],
+ "id" : "James Smith",
+ "name" : "James Smith"
},
{
"name" : "Jan Krnavek",
@@ -205,15 +381,16 @@
},
{
"name" : "Jorg Sommrey",
- "id" : "Jorg Sommrey",
"data" : [
[
"Perl",
2
]
- ]
+ ],
+ "id" : "Jorg Sommrey"
},
{
+ "id" : "Laurent Rosenfeld",
"data" : [
[
"Perl",
@@ -228,20 +405,21 @@
1
]
],
- "id" : "Laurent Rosenfeld",
"name" : "Laurent Rosenfeld"
},
{
+ "name" : "Lubos Kolouch",
"data" : [
[
"Perl",
2
]
],
- "name" : "Lubos Kolouch",
"id" : "Lubos Kolouch"
},
{
+ "name" : "Luca Ferrari",
+ "id" : "Luca Ferrari",
"data" : [
[
"Raku",
@@ -251,19 +429,17 @@
"Blog",
4
]
- ],
- "id" : "Luca Ferrari",
- "name" : "Luca Ferrari"
+ ]
},
{
- "name" : "Mark Anderson",
"id" : "Mark Anderson",
"data" : [
[
"Raku",
2
]
- ]
+ ],
+ "name" : "Mark Anderson"
},
{
"name" : "Matthew Neleigh",
@@ -276,7 +452,6 @@
]
},
{
- "name" : "Mohammad S Anwar",
"id" : "Mohammad S Anwar",
"data" : [
[
@@ -287,16 +462,17 @@
"Raku",
1
]
- ]
+ ],
+ "name" : "Mohammad S Anwar"
},
{
+ "name" : "Niels van Dijke",
"data" : [
[
"Perl",
2
]
],
- "name" : "Niels van Dijke",
"id" : "Niels van Dijke"
},
{
@@ -306,42 +482,40 @@
2
]
],
- "name" : "Paulo Custodio",
- "id" : "Paulo Custodio"
+ "id" : "Paulo Custodio",
+ "name" : "Paulo Custodio"
},
{
+ "name" : "Pete Houston",
"data" : [
[
"Perl",
2
]
],
- "name" : "Pete Houston",
"id" : "Pete Houston"
},
{
+ "name" : "Peter Campbell Smith",
+ "id" : "Peter Campbell Smith",
"data" : [
[
"Perl",
2
]
- ],
- "name" : "Peter Campbell Smith",
- "id" : "Peter Campbell Smith"
+ ]
},
{
"id" : "Robert DiCicco",
- "name" : "Robert DiCicco",
"data" : [
[
"Perl",
2
]
- ]
+ ],
+ "name" : "Robert DiCicco"
},
{
- "id" : "Roger Bell_West",
- "name" : "Roger Bell_West",
"data" : [
[
"Perl",
@@ -355,10 +529,11 @@
"Blog",
1
]
- ]
+ ],
+ "id" : "Roger Bell_West",
+ "name" : "Roger Bell_West"
},
{
- "id" : "Simon Green",
"name" : "Simon Green",
"data" : [
[
@@ -369,11 +544,11 @@
"Blog",
1
]
- ]
+ ],
+ "id" : "Simon Green"
},
{
"id" : "Steven Wilson",
- "name" : "Steven Wilson",
"data" : [
[
"Perl",
@@ -383,7 +558,8 @@
"Blog",
1
]
- ]
+ ],
+ "name" : "Steven Wilson"
},
{
"data" : [
@@ -396,12 +572,10 @@
2
]
],
- "name" : "Ulrich Rieke",
- "id" : "Ulrich Rieke"
+ "id" : "Ulrich Rieke",
+ "name" : "Ulrich Rieke"
},
{
- "id" : "W. Luis Mochan",
- "name" : "W. Luis Mochan",
"data" : [
[
"Perl",
@@ -411,187 +585,28 @@
"Blog",
1
]
- ]
+ ],
+ "id" : "W. Luis Mochan",
+ "name" : "W. Luis Mochan"
},
{
- "id" : "Wanderdoc",
- "name" : "Wanderdoc",
"data" : [
[
"Perl",
2
]
- ]
+ ],
+ "id" : "Wanderdoc",
+ "name" : "Wanderdoc"
}
]
},
- "series" : [
- {
- "name" : "The Weekly Challenge - 138",
- "colorByPoint" : 1,
- "data" : [
- {
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- "name" : "Abigail"
- },
- {
- "name" : "Andrew Shitov",
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- {
- "drilldown" : "Arne Sommer",
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- },
- {
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- "drilldown" : "Athanasius"
- },
- {
- "drilldown" : "Bob Lied",
- "name" : "Bob Lied",
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- },
- {
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- "name" : "Bruce Gray",
- "drilldown" : "Bruce Gray"
- },
- {
- "name" : "Cheok-Yin Fung",
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- "drilldown" : "Cheok-Yin Fung"
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- {
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- "name" : "Dave Jacoby",
- "drilldown" : "Dave Jacoby"
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- "drilldown" : "E. Choroba"
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- {
- "drilldown" : "Flavio Poletti",
- "name" : "Flavio Poletti",
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- },
- {
- "drilldown" : "James Smith",
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- "name" : "Jan Krnavek"
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- {
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- "name" : "Jorg Sommrey"
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- {
- "drilldown" : "Laurent Rosenfeld",
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- },
- {
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- "name" : "Lubos Kolouch",
- "drilldown" : "Lubos Kolouch"
- },
- {
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- "name" : "Luca Ferrari"
- },
- {
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- "drilldown" : "Mark Anderson"
- },
- {
- "name" : "Matthew Neleigh",
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- "drilldown" : "Matthew Neleigh"
- },
- {
- "drilldown" : "Mohammad S Anwar",
- "name" : "Mohammad S Anwar",
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- {
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-