41 lines
607 B
C
41 lines
607 B
C
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/* TAK -- A vanilla version of the TAKeuchi function. */
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#include <stdio.h>
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static int tak (x, y, z)
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int x, y, z;
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{
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if (y >= x)
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return z;
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else
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return tak (tak (x-1, y, z),
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tak (y-1, z, x),
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tak (z-1, x, y));
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}
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int main (argc, argv)
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int argc;
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char *argv[];
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{
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int i;
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int result;
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int x = 18, y = 12, z = 6;
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if (argc > 1)
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x = atoi (argv[1]);
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if (argc > 2)
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y = atoi (argv[2]);
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if (argc > 3)
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z = atoi (argv[3]);
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for (i=0; i<2000; i++)
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result = tak (x, y, z);
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if (result != 7)
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printf ("*** wrong result ***\n");
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return 0;
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}
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