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24 lines
425 B
C
24 lines
425 B
C
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/* -*- 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 printf(const char *, int, int);
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int atoi(const char *);
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int
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Ack(int M, int N) {
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if (M == 0) return( N + 1 );
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if (N == 0) return( Ack(M - 1, 1) );
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return( Ack(M - 1, Ack(M, (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]) : 5);
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printf("Ack(3,%d): %d\n", n, Ack(3, n));
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return(0);
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}
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