Commit | Line | Data |
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de32237f JB |
1 | #include <stdio.h> |
2 | #include <stdbool.h> | |
3 | ||
b77c2eee | 4 | //FIXME: Comment the code !!! |
de32237f | 5 | |
b77c2eee | 6 | void promptValue(int* addr) { |
de32237f JB |
7 | scanf("%d", addr); |
8 | } | |
9 | ||
b77c2eee | 10 | // The efficience of this swap alternative is debatable .. |
de32237f JB |
11 | void xorSwap (int *v1, int *v2) { |
12 | if (v1 != v2) { | |
13 | *v1 ^= *v2; | |
14 | *v2 ^= *v1; | |
15 | *v1 ^= *v2; | |
16 | } | |
17 | } | |
18 | ||
19 | void swap(int* v1, int* v2) { | |
de32237f | 20 | if (v1 != v2) { |
749142e7 | 21 | int tmp = *v1; |
de32237f JB |
22 | *v1 = *v2; |
23 | *v2 = tmp; | |
24 | } | |
25 | } | |
26 | ||
27 | void displayArray(int* array, int count) { | |
28 | for (int i = 0; i < count; i++) { | |
b77c2eee | 29 | printf("Value in array at index[%d]= %d\n", i, array[i]); |
de32237f JB |
30 | } |
31 | } | |
32 | ||
33 | bool sortFirst(int* array, int length) { | |
b77c2eee | 34 | bool rt = false; |
de32237f JB |
35 | for (int i = 0; i < length-1; i++) { |
36 | if (array[i] > array[i+1]) { | |
37 | swap(&array[i], &array[i+1]); | |
b77c2eee JB |
38 | //xorSwap(&array[i], &array[i+1]); |
39 | rt = true; | |
de32237f JB |
40 | } |
41 | } | |
b77c2eee JB |
42 | return rt; |
43 | } | |
44 | ||
45 | void sortArray(int* array, int length) { | |
46 | bool rt; | |
47 | do { | |
48 | rt = sortFirst(array, length); | |
49 | } while (rt); | |
50 | ||
de32237f JB |
51 | } |
52 | ||
53 | int main() { | |
b77c2eee JB |
54 | int tab_length = 10; |
55 | // GCC do not like variable sized array, even with the size variable properly initialized | |
56 | int tab[10] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; | |
57 | ||
58 | for (int i = 0; i < tab_length; i++) { | |
59 | printf("Enter integer value at array's index[%d]? ", i); | |
60 | promptValue(&tab[i]); | |
de32237f | 61 | } |
b77c2eee JB |
62 | |
63 | printf("\nView array content unsorted:\n"); | |
64 | displayArray(tab, tab_length); | |
65 | sortArray(tab, tab_length); | |
66 | printf("\nNow, sorting the array...\n"); | |
67 | printf("\nView array content sorted:\n"); | |
68 | displayArray(tab, tab_length); | |
de32237f JB |
69 | |
70 | return 0; | |
71 | } |