16 lines
272 B
Text
16 lines
272 B
Text
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let n = 4
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let buf = Array.Empty(n)
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func rec(idx, begin) {
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for i in begin..<n {
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buf[idx] = i
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for j in 0..idx {
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print("{0, 2}".Format(buf[j]), terminator: "")
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}
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print("")
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rec(idx + 1, buf[idx] + 1)
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}
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}
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rec(0, 0)
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