>>738 octave
・n = 1234567 でideone完走できず
https://ideone.com/QzfFfY

>>738 ruby
・n = 1234567 でideone完走できず
https://ideone.com/OPplEt

>>738 java
https://ideone.com/pCHK8L

ちなみに現時点ではそれぞれ
C (gcc 8.3)
Rust (rust 1.56)
Octave (octave 4.4.1)
Ruby (ruby 2.5.5)
Java (HotSpot 12)