(1)program sujet8

program sujet8;

uses wincrt;

var ch:string;

p,q:integer;

function verif(ch:string):boolean;

var i:integer;

test:boolean;

begin i:=0;

repeat i:=i+1;

if ch[i] in ['A'..'Z'] then test:=true else test:=false;

until (test=false ) or (i=length(ch));

verif:=test;

end;

procedure saisie(var ch:string;var p,q:integer);

begin repeat

write('Donner une chaine ');

readln(ch);

until (verif(ch)) and(ch<>'') ; end;

function occurance(c:char;ch:string):integer;

var

i,n:integer;

begin n:=0;

for i:=1 to length(ch) do if ch[i]=c then n:=n+1;

occurance:=n;

end;

function code(ch:string):string;

var

i,j,n,k:integer;

ch1:string;

begin ch1:='';

for i:= 1 to length(ch) do begin

n:=occurance(ch[i],ch);

if n mod 2=0 then k:=n div 2 else k:=n *2;

if (ord(ch[i])+K)>=90 then ch1:=ch1+chr(ord(ch[i])+k-26) else

ch1:=ch1+chr(ord(ch[i])+k);

end;

code:=ch1;

end;

begin

saisie(ch,p,q);

writeln(code(ch));

end.