a = 3
()
NOT
* / DIV MOD
+ -
< <= > >=
= !=
AND
OR
=
a,b ∈ Nx = a
a = b
b = x
a ∈ Rif a < 0
a = -a
a ∈ Rif a == 0
sgn = 0
else
if a < 0
sgn = -1
else
sgn = 1
n
wyrazów ciągu arytmetycznegon ∈ N
a, d ∈ R
for i = 1 to n
write a + (i - 1) * d
n
pierwszych liczb naturalnych
suma = 0
for i = 1 to n by 1
suma = suma + i
i = i + 1