Cod sursa(job #121429)

Utilizator valytgjiu91stancu vlad valytgjiu91 Data 8 ianuarie 2008 18:34:22
Problema Litere Scor 40
Compilator fpc Status done
Runda Arhiva de probleme Marime 0.33 kb
Raporteaza aceasta sursa 
var ap:array['a'..'z'] of integer;
   n,k,i:integer;
   c,ch:char;
   f,g:text;
begin
assign(f,'litere.in');
reset(f);
readln(f,n);
for i:=1 to n do
begin
read(f,c);
ap[c]:=ap[c]+1;
for ch:=succ(c) to 'z' do
    if Ap[ch]>0 then k:=k+Ap[ch];
end;
close(f);
assign(g,'litere.out');
rewrite(g);
writeln(g,k);
close(g);
end.