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|00000570| 3a 0a 0a 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |:..=====|========|
|00000580| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|00000590| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|000005a0| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|000005b0| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 0a 23 69 6e |========|====.#in|
|000005c0| 63 6c 75 64 65 20 20 20 | 20 3c 73 74 64 69 6f 2e |clude   | <stdio.|
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|000005e0| 65 72 28 69 6e 74 20 2a | 20 4d 6f 6e 74 68 2c 20 |er(int *| Month, |
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|00000620| 79 2c 20 6d 2c 20 64 3b | 0a 0a 20 20 20 20 66 6f |y, m, d;|..    fo|
|00000630| 72 20 28 79 20 3d 20 31 | 38 30 30 3b 20 79 20 3c |r (y = 1|800; y <|
|00000640| 3d 20 32 30 30 30 3b 20 | 79 2b 2b 29 20 7b 0a 20 |= 2000; |y++) {. |
|00000650| 20 20 20 20 20 20 20 45 | 61 73 74 65 72 28 26 6d |       E|aster(&m|
|00000660| 2c 20 26 64 2c 20 79 29 | 3b 20 20 20 20 20 20 20 |, &d, y)|;       |
|00000670| 20 20 20 20 20 20 0a 20 | 20 20 20 20 20 20 20 70 |      . |       p|
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|000006a0| 79 3a 20 25 32 64 5c 6e | 22 2c 20 79 2c 20 6d 2c |y: %2d\n|", y, m,|
|000006b0| 20 64 29 3b 0a 20 20 20 | 20 7d 0a 0a 7d 0a 0a 0a | d);.   | }..}...|
|000006c0| 2f 2a 0a 20 20 20 20 43 | 20 76 65 72 73 69 6f 6e |/*.    C| version|
|000006d0| 20 66 6f 72 20 74 68 65 | 20 47 61 75 73 73 2d 45 | for the| Gauss-E|
|000006e0| 61 73 74 65 72 20 61 6c | 67 6f 72 69 74 68 6d 0a |aster al|gorithm.|
|000006f0| 0a 20 20 20 20 42 61 73 | 65 64 20 6f 6e 20 74 68 |.    Bas|ed on th|
|00000700| 65 20 66 6f 72 6d 75 6c | 61 73 2f 61 6c 67 6f 72 |e formul|as/algor|
|00000710| 69 74 68 6d 20 70 75 62 | 6c 69 73 68 65 64 20 62 |ithm pub|lished b|
|00000720| 69 6a 20 47 61 75 73 73 | 20 69 6e 20 31 38 30 30 |ij Gauss| in 1800|
|00000730| 0a 0a 20 20 20 20 49 6e | 70 75 74 3a 20 20 20 20 |..    In|put:    |
|00000740| 20 20 20 20 20 20 20 20 | 2d 20 70 6f 69 6e 74 65 |        |- pointe|
|00000750| 72 73 20 74 6f 20 69 6e | 74 73 20 4d 6f 6e 74 68 |rs to in|ts Month|
|00000760| 20 61 6e 64 20 44 61 79 | 0a 20 20 20 20 20 20 20 | and Day|.       |
|00000770| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 2d |        |       -|
|00000780| 20 69 6e 74 20 59 65 61 | 72 20 77 68 65 72 65 20 | int Yea|r where |
|00000790| 31 38 30 30 20 3c 3d 20 | 59 65 61 72 20 3c 3d 20 |1800 <= |Year <= |
|000007a0| 32 30 30 30 20 28 3f 29 | 0a 0a 20 20 20 20 49 6e |2000 (?)|..    In|
|000007b0| 70 75 74 2d 76 61 6c 69 | 64 61 74 69 6f 6e 3a 20 |put-vali|dation: |
|000007c0| 6e 6f 6e 65 20 28 73 65 | 6e 73 69 62 6c 65 20 69 |none (se|nsible i|
|000007d0| 6e 70 75 74 20 61 73 73 | 75 6d 65 64 20 66 6f 72 |nput ass|umed for|
|000007e0| 20 59 65 61 72 29 0a 0a | 2a 2f 0a 76 6f 69 64 20 | Year)..|*/.void |
|000007f0| 20 20 20 45 61 73 74 65 | 72 28 69 6e 74 20 2a 20 |   Easte|r(int * |
|00000800| 4d 6f 6e 74 68 2c 20 69 | 6e 74 20 2a 20 44 61 79 |Month, i|nt * Day|
|00000810| 2c 20 69 6e 74 20 59 65 | 61 72 29 0a 7b 0a 20 20 |, int Ye|ar).{.  |
|00000820| 20 20 69 6e 74 20 61 2c | 20 62 2c 20 63 2c 20 64 |  int a,| b, c, d|
|00000830| 2c 20 65 2c 20 66 2c 20 | 6b 2c 20 6d 2c 20 6e 2c |, e, f, |k, m, n,|
|00000840| 20 70 2c 20 71 3b 0a 0a | 20 20 20 20 61 20 3d 20 | p, q;..|    a = |
|00000850| 59 65 61 72 20 25 20 31 | 39 3b 0a 20 20 20 20 62 |Year % 1|9;.    b|
|00000860| 20 3d 20 59 65 61 72 20 | 25 20 34 3b 0a 20 20 20 | = Year |% 4;.   |
|00000870| 20 63 20 3d 20 59 65 61 | 72 20 25 20 37 3b 0a 20 | c = Yea|r % 7;. |
|00000880| 20 20 20 6b 20 3d 20 59 | 65 61 72 20 2f 20 31 30 |   k = Y|ear / 10|
|00000890| 30 3b 0a 20 20 20 20 70 | 20 3d 20 6b 20 2f 20 33 |0;.    p| = k / 3|
|000008a0| 3b 0a 20 20 20 20 71 20 | 3d 20 6b 20 2d 20 6b 20 |;.    q |= k - k |
|000008b0| 2f 20 34 3b 0a 20 20 20 | 20 6d 20 3d 20 28 71 20 |/ 4;.   | m = (q |
|000008c0| 2d 20 70 20 2b 20 31 35 | 29 20 25 20 33 30 3b 0a |- p + 15|) % 30;.|
|000008d0| 20 20 20 20 6e 20 3d 20 | 28 71 20 2b 20 34 29 20 |    n = |(q + 4) |
|000008e0| 25 20 37 3b 0a 20 20 20 | 20 64 20 3d 20 28 31 39 |% 7;.   | d = (19|
|000008f0| 20 2a 20 61 20 2b 20 6d | 29 20 25 20 33 30 3b 0a | * a + m|) % 30;.|
|00000900| 20 20 20 20 65 20 3d 20 | 28 32 20 2a 20 62 20 2b |    e = |(2 * b +|
|00000910| 20 34 20 2a 20 63 20 2b | 20 36 20 2a 20 64 20 2b | 4 * c +| 6 * d +|
|00000920| 20 6e 29 20 25 20 37 3b | 0a 20 20 20 20 66 20 3d | n) % 7;|.    f =|
|00000930| 20 64 20 2b 20 65 20 2d | 20 39 3b 0a 20 20 20 20 | d + e -| 9;.    |
|00000940| 69 66 20 20 28 66 20 3c | 3d 20 30 29 20 7b 0a 20 |if  (f <|= 0) {. |
|00000950| 20 20 20 20 20 20 20 2a | 4d 6f 6e 74 68 20 3d 20 |       *|Month = |
|00000960| 33 3b 0a 20 20 20 20 20 | 20 20 20 2a 44 61 79 20 |3;.     |   *Day |
|00000970| 3d 20 33 31 20 2b 20 66 | 3b 0a 20 20 20 20 7d 0a |= 31 + f|;.    }.|
|00000980| 20 20 20 20 65 6c 73 65 | 20 7b 0a 20 20 20 20 20 |    else| {.     |
|00000990| 20 20 20 2a 4d 6f 6e 74 | 68 20 3d 20 34 3b 0a 20 |   *Mont|h = 4;. |
|000009a0| 20 20 20 20 20 20 20 69 | 66 20 20 20 28 66 20 3d |       i|f   (f =|
|000009b0| 3d 20 32 36 29 0a 20 20 | 20 20 20 20 20 20 20 20 |= 26).  |        |
|000009c0| 20 20 2a 44 61 79 20 3d | 20 31 39 3b 0a 20 20 20 |  *Day =| 19;.   |
|000009d0| 20 20 20 20 20 65 6c 73 | 65 20 69 66 20 28 66 20 |     els|e if (f |
|000009e0| 3d 3d 20 32 35 20 26 26 | 20 64 20 3d 3d 20 32 38 |== 25 &&| d == 28|
|000009f0| 29 0a 20 20 20 20 20 20 | 20 20 20 20 20 20 2a 44 |).      |      *D|
|00000a00| 61 79 20 3d 20 31 38 3b | 0a 20 20 20 20 20 20 20 |ay = 18;|.       |
|00000a10| 20 65 6c 73 65 0a 20 20 | 20 20 20 20 20 20 20 20 | else.  |        |
|00000a20| 20 20 2a 44 61 79 20 3d | 20 66 3b 0a 20 20 20 20 |  *Day =| f;.    |
|00000a30| 7d 0a 7d 0a 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |}.}.====|========|
|00000a40| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|00000a50| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|00000a60| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 3d 3d 3d |========|========|
|00000a70| 3d 3d 3d 3d 3d 3d 3d 3d | 3d 3d 3d 3d 3d 0a 0a 48 |========|=====..H|
|00000a80| 6f 70 65 20 74 68 69 73 | 20 68 65 6c 70 73 2c 0a |ope this| helps,.|
|00000a90| 0a 50 69 65 74 20 53 74 | 61 72 72 65 76 65 6c 64 |.Piet St|arreveld|
|00000aa0| 0a 65 2d 6d 61 69 6c 3a | 31 30 31 34 37 36 2e 31 |.e-mail:|101476.1|
|00000ab0| 30 34 30 40 63 6f 6d 70 | 75 73 65 72 76 65 2e 63 |040@comp|userve.c|
|00000ac0| 6f 6d 0a 0a 0a          |                         |om...   |        |
+--------+-------------------------+-------------------------+--------+--------+