Primes whose first and last number is 3: Difference between revisions
Content added Content deleted
(Added Sidef) |
m (→{{header|Sidef}}: optimization) |
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callback(s.digits2num(base)) |
callback(s.digits2num(base)) |
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for k in (0 .. base**(upto.len(base) - 2*s.len)) { |
for k in (0 .. base**(upto.len(base) - 2*s.len)) { |
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break if (s + k.digits(base) + s -> digits2num(base) > upto) |
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Inf.times { |j| |
Inf.times { |j| |