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program ex2;
type
ds = record
n: integer;
t: array[0..30] of real;
end;
var
i, k, n: integer;
x, res: real;
tab: ds;
function rand (minimum, maximum: integer):
integer;
begin
rand := minimum + Abs(Random) mod (maximum - minimum +
1);
end; { Fin de la
fonction 'rand' }
function rand2 (minimum, maximum: integer): real;
begin
rand2 := minimum + Abs(Random) mod (maximum - minimum +
1);
end; { Fin de la
fonction 'rand2' }
function puiss (x: real; n: integer): real;
{ puissance
}
var
i: integer;
val: real;
begin
val := x;
for i := 1 to n do
val := val * x;
puiss := val;
end; { Fin de la
fonction 'puiss' }
begin { Debut du
corps du programme }
writeln('Ex 2 par
http://www.Software-DS.com');
writeln;
tab.n := rand(2, 30);
for i := 0 to tab.n do
tab.t[i] := rand2(0, 10);
write('P(x)=');
for i := 0 to tab.n do {
Affichage du polynome }
begin
if i = 0 then
write(tab.t[i] : 0)
else if i = 1 then
write(tab.t[i] : 0, 'x')
else
write(tab.t[i] : 0, 'x^', i : 0);
if i <> tab.n then
write('+');
end;
writeln;
writeln;
x := rand2(1, 500);
write('P(', x : 0 : 5, ')= ');
for i := 0 to tab.n do
begin
if i = 0 then
res := tab.t[i]
else if i = 1 then
res := res + (tab.t[i] * x)
else
res := res + (tab.t[i] * puiss(x, i))
end;
writeln(res : 0 : 5);
writeln;
writeln('©2001 All Rights Reserved to
www.Software-DS.com');
{ ©2001 All
Rights Reserved to http://www.Software-DS.com
09/10/01 }
end.
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