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34
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1 /*
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2 * Nov 10, 2009
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3 * created by gongo.
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4 *
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5 * Nov 10, 2009
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6 * modified by kent.
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7 */
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8
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9 #include <stdio.h>
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10 #include <stdlib.h>
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126
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11 #include <string.h>
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12 #include <time.h>
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34
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13
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148
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14 __code (*ret)(int, void*);
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15 void* env;
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34
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16
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17 __code
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18 print(int *numbers)
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19 {
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20 printf("%d-%d-%d-%d-%d-%d\n", numbers[0], numbers[1], numbers[2], numbers[3], numbers[4], numbers[5]);
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21 free(numbers);
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22 goto ret(0, env);
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23 }
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24
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25 __code
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26 take(int *array, int size, int length)
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27 {
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28 int *taked = (int*)malloc(sizeof(int)*length);
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29
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30 memcpy(taked, array, sizeof(int)*length);
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31 free(array);
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32
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33 goto print(taked);
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34 }
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35
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36 __code
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37 shuffle(int *array, int size, int idx)
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38 {
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39 int j = random() % size;
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40 int tmp = array[idx];
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41 array[idx] = array[j];
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42 array[j] = tmp;
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43
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44 if (++idx < size) {
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45 goto shuffle(array, size, idx);
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46 } else {
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47 goto take(array, size, 6);
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48 }
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49 }
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50
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51 __code
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52 range_loop(int *array, int idx, int from, int to, int step, int size)
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53 {
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54 array[idx] = from;
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55
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56 if (from+step > to) {
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57 goto shuffle(array, size, 0);
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58 } else {
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59 goto range_loop(array, idx+1, from+step, to, step, size);
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60 }
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61 }
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62
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63 __code
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64 range(int from, int to, int step)
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65 {
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66 int size = (to-from+1)/step;
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67 int *array = (int*)malloc(sizeof(int)*size);
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68
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69 goto range_loop(array, 0, from, to, step, size);
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70 }
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71
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72 int
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73 main()
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74 {
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75 srand(time(NULL));
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76 ret = _CbC_return;
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77 env = _CbC_environment;
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78
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79 goto range(1, 43, 1);
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80 }
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81
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