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  1. # space我換成 "." 和 "+" 方便閱讀
  2. for(i in 1:5) {
  3.   cat(strrep(".", 5 - i))
  4.   for (j in 1:5) {
  5.     if (i >= j) cat(j)
  6.     if (i > j) cat("+")
  7.   }
  8.   cat("\n")
  9. }
  10.  
Success #stdin #stdout 0.23s 39448KB
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stdin
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Standard input is empty
stdout
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....1
...1+2
..1+2+3
.1+2+3+4
1+2+3+4+5
https://ideone.com/3H6Si5
language:
R (R 3.5.2)
created:
3 years ago
visibility:
public

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