23 lines
274 B
Awk
23 lines
274 B
Awk
BEGIN {
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f(0, a) # nothing
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f(1, a)
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}
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function f(i, a) {
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if (i == 0) return
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g(a, a)
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pr(a)
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}
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function g(x, y) {
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h(y, x, y)
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}
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function h(b, c, d) {
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b[1] = 1
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c[1] = 2 # rewrite
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print b[1], d[1]
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c[2] = 1
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b[2] = 2 # should rewrite
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}
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function pr(x) {
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print x[1], x[2]
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}
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