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17 lines
No EOL
216 B
Text
17 lines
No EOL
216 B
Text
var n, fib_1, fib_2, fib, i;
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n := read ();
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i := 2;
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fib_1 := 1;
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fib_2 := 1;
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fib := 1;
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while i < n do
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fib := fib_1 + fib_2;
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fib_2 := fib_1;
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fib_1 := fib;
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i := i+1
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od;
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write (fib) |