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Answer:
1. #include <stdio.h>
2. int main()
3. {
4. int k;
5. int j;
6. int i;
7. int array[7];
8. array[0] = 1;
9. for (i = 1; i < 9; ++i)
10. {
11. array[i] = array[i-1]*2;
12. for (j=0; j < i; ++j)
13. {
14. printf("%d ",array[j]);
15. }
16. for (k=i-2; k > -1; --k)
17. {
18. printf("%d ", array[k]);
19. }
20. printf("\n");
21. }
22. return 0;
23. }
Explanation:
- From line 1 to 3 we start the main function
- From line 4 to 7 we declare the variables that we are going to be using throughout the program including an array of 7 positions
- On line 8 we initialize the array with one to match the sequence
- From line 9 to 10 we create a for loop to create the 9 sequences of numbers
- On line 11 we assign values to the array by taking the previous value and multiplying it by 2, this way we can create the sequence 1,2,4,8,32...
- From line 12 to 15 we print the ordered array
- From line 16 to 19 we print the inverse array minus one
- On line 20 we print an enter
