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23 lines
363 B
C
23 lines
363 B
C
/* -*- mode: c -*-
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* $Id$
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* http://www.bagley.org/~doug/shootout/
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*/
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int atoi(char *);
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void printf(char *, unsigned long);
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unsigned long
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fib(unsigned long n) {
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if (n < 2)
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return(1);
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else
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return(fib(n-2) + fib(n-1));
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}
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int
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main(int argc, char *argv[]) {
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int N = ((argc == 2) ? atoi(argv[1]) : 15);
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printf("%ld\n", fib(N));
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return(0);
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}
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