Делаем условие во время выполнения цикла-это и будет наше разветвление.
<span>program</span><span>factorial</span><span>;</span>
<span>function</span><span>fact</span><span>(</span><span>n</span><span>:</span><span>integer</span><span>)</span><span>:</span><span>longint</span><span>;</span><span>begin</span><span>if</span><span>(</span><span>n</span><span>=</span><span>0</span><span>)</span><span>then</span><span>fact</span><span>:=</span><span>1</span><span>else</span><span>fact</span><span>:=</span><span>n</span><span>*</span><span>fact</span><span>(</span><span>n</span><span>-</span><span>1</span><span>)</span><span>;</span>
<span>end</span><span>;</span>
<span>var</span><span>n</span><span>:</span><span>integer</span><span>;</span>
<span>begin</span>
<span>for</span><span>n</span><span>:=</span><span>0</span><span>to</span><span>16</span><span>do</span>
<span>writeln</span><span>(</span><span>n</span><span>,</span><span>'! = '</span><span>,</span><span>fact</span><span>(</span><span>n</span><span>))</span><span>;</span><span>end</span><span>.</span>
Программа на паскале
var i,s:integer;
begin
s:=0;
for i:=15 to 50 do s:=s+i;
writeln('s = ',s);
end.
Результат:
s = 1170