Question

x = 10 c = 20
x + + - - - c + c + + + - - x
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Answer 1

Ans:-10 + + - - - 20 + 20 + + + - - 10

- 30 + 40 - 10

10 - 10

0 ans:-

Other Exampal:-10 + + - - - 20 + 20 + + + - - 10

30 - 20 + 20 - 10

10 + 20 - 10

30 - 10

20 ans:-

Answer 2

x=10, c=20

=x++ - --c + c++ + --x

=10 - 19 + 19 + 10

=20