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໠ '
cls
( ) ?
( :) ? :
(=, a) input a=, a
(b=, b) inpnt b=, b
(=, ) input c=, c
( > 0 b > 0 > 0) if a<=0 or b<=0 or c<=0 then
( ) ?
c ( < b
+ b < + elseif not (a < b+ and b < +
+ <+b) and < + b) then
( ) ?
else
:= ( + b + )/2 = (+ b +)/2
S :=
S = sqr (p*(p-a)*(p-b)*(p-c))
(=, S) ? =, S