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| program occurence;
uses wincrt;
var
ch:string;
procedure saisie(var ch:string);
begin
repeat
writeln('donner une chaine');
readln(ch);
until(ch<>'');
end;
function frequence(ch:string;v:char):integer;
var
i,freq:integer;
begin
freq:=0;
for i:=1 to length(ch)do
if upcase(ch[i]=v)then
freq:=freq+1;
frequence:=freq;
end;
begin
saisie(ch);
if frequence(ch,'a')<>0 then
writeln('l"occ de a est,'frequence(ch,'a'));
if frequence(ch,'e')<>0 then
writeln('l"occ de e est,'frequence(ch,'e'));
if frequence(ch,'o')<>0 then
writeln('l"occ de o est,'frequence(ch,'o'));
if frequence(ch,'u')<>0 then
writeln('l"occ de u est,'frequence(ch,'u'));
if frequence(ch,'i')<>0 then
writeln('l"occ de i est,'frequence(ch,'i'));
if frequence(ch,'y')<>0 then
writeln('l"occ de y est,'frequence(ch,'y'));
end.
///////////////////////////////////////////////// |
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