Informatika - 2021./22. jesen - 13.

13. Koji od zadanih programa ispravno računa umnožak svih parnih znamenaka broja a?

Napomena: Znamenku 0 računamo kao parnu.

A.	Python	C
	$\begin{aligned} & \mathrm{a} = \text{int(input())} \ & \mathrm{s} = 0 \ & \text{while a > 0:} \ & \qquad \begin{aligned} \mathrm{x} & = \mathrm{a} // 10 \ \mathrm{a} & = \mathrm{a} \% 10 \ & \text{if x // 2 == 0:} \ & \qquad \mathrm{s} = \mathrm{s} * \mathrm{x} \end{aligned} \ & \text{print(s)} \end{aligned}$	$\begin{aligned} & \text{int a, x, s;} \ & \text{scanf("\%d", \&a);} \ & \mathrm{s} = 0; \ & \text{while (a > 0)}\{ \ & \qquad \mathrm{x} = \mathrm{a} / 10; \ & \qquad \mathrm{a} = \mathrm{a} \% 10; \ & \qquad \text{if (x / 2 == 0)} \ & \qquad \qquad \mathrm{s} = \mathrm{s} * \mathrm{x;} \ & \} \ & \text{printf("\%d", s);} \end{aligned}$

B.	Python	C
	$\begin{aligned} & \mathrm{a} = \text{int(input())} \ & \mathrm{s} = 0 \ & \text{while a >= 0:} \ & \qquad \begin{aligned} \mathrm{x} & = \mathrm{a} // 10 \ \mathrm{a} & = \mathrm{a} \% 10 \ & \text{if x \% 2 == 0:} \ & \qquad \mathrm{s} = \mathrm{s} * \mathrm{x} \end{aligned} \ & \text{print(s)} \end{aligned}$	$\begin{aligned} & \text{int a, x, s;} \ & \text{scanf("\%d", \&a);} \ & \mathrm{s} = 0; \ & \text{while (a >= 0)}\{ \ & \qquad \mathrm{x} = \mathrm{a} / 10; \ & \qquad \mathrm{a} = \mathrm{a} \% 10; \ & \qquad \text{if (x \% 2 == 0)} \ & \qquad \qquad \mathrm{s} = \mathrm{s} * \mathrm{x;} \ & \} \ & \text{printf("\%d", s);} \end{aligned}$

C.	Python	C
	$\begin{aligned} & \mathrm{a} = \text{int(input())} \ & \mathrm{s} = 1 \ & \text{while a > 0:} \ & \qquad \begin{aligned} \mathrm{x} & = \mathrm{a} \% 10 \ \mathrm{a} & = \mathrm{a} // 10 \ & \text{if x \% 2 == 0:} \ & \qquad \mathrm{s} = \mathrm{s} * \mathrm{x} \end{aligned} \ & \text{print(s)} \end{aligned}$	$\begin{aligned} & \text{int a, x, s;} \ & \text{scanf("\%d", \&a);} \ & \mathrm{s} = 1; \ & \text{while (a > 0)}\{ \ & \qquad \mathrm{x} = \mathrm{a} \% 10; \ & \qquad \mathrm{a} = \mathrm{a} / 10; \ & \qquad \text{if (x \% 2 == 0)} \ & \qquad \qquad \mathrm{s} = \mathrm{s} * \mathrm{x;} \ & \} \ & \text{printf("\%d", s);} \end{aligned}$

D.	Python	C
	$\begin{aligned} & \mathrm{a} = \text{int(input())} \ & \mathrm{s} = 1 \ & \text{while a == 0:} \ & \qquad \begin{aligned} \mathrm{x} & = \mathrm{a} \% 10 \ \mathrm{a} & = \mathrm{a} // 10 \ & \text{if x \% 2 == 0:} \ & \qquad \mathrm{s} = \mathrm{s} + 1 \end{aligned} \ & \text{print(s)} \end{aligned}$	$\begin{aligned} & \text{int a, x, s;} \ & \text{scanf("\%d", \&a);} \ & \mathrm{s} = 1; \ & \text{while (a == 0)}\{ \ & \qquad \mathrm{x} = \mathrm{a} \% 10; \ & \qquad \mathrm{a} = \mathrm{a} / 10; \ & \qquad \text{if (x \% 2 == 0)} \ & \qquad \qquad \mathrm{s} = \mathrm{s} + 1; \ & \} \ & \text{printf("\%d", s);} \end{aligned}$

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