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uses crt;
var st:string;
i,d:integer;
begin
clrscr;
write('Nhap xau:'); readln(st);
d:=length(st);
writeln('Xau vua nhap la: ',st);
for i:=1 to d do
if st[i] in ['a'..'z'] then upcase(st[i]);
writeln(st);
readln;
end.
uses crt;
var st,s:string;
i,d,dem,kt,j,dem1:integer;
begin
clrscr;
write('Nhap xau:'); readln(s);
writeln('Xau vua nhap la: ',s);
d:=length(s);
for i:=1 to d do
if s[i]=#32 then delete(s,i,1);
dem:=1;
st[1]:=s[1];
for i:=1 to d do
begin
kt:=0;
for j:=1 to dem do
if s[i]=st[j] then kt:=1;
if kt=0 then
begin
inc(dem);
st[dem]:=s[i];
end;
end;
for i:=1 to dem do
begin
dem1:=0;
for j:=1 to d do
if st[i]=s[j] then inc(dem1);
writeln(st[i],' xuat hien ',dem1,' lan');
end;
readln;
end.
Program Xau;
Uses crt;
Var St: String;
i: longint;
Begin
Clrscr;
Write('Nhap xau: '); Readln(St);
For i:=1 to length(St) do
St[i] := Upcase(St[i]);
Write('St = ',St);
Readln
End.
uses crt;
var s:string;
dem,i,d:integer;
begin
clrscr;
write('Nhap xau:'); readln(s);
d:=length(s);
dem:=0;
for i:=1 to d do
if (s[i] in ['A'..'Z']) or (s[i] in ['a'..'z']) then inc(dem);
writeln(dem);
readln;
end.
uses crt;
var s:string;
i,d:integer;
begin
clrscr;
write('Nhap xau S:'); readln(s);
d:=length(s);
for i:=1 to d do
s[i]:=upcase(s[i]);
writeln(s);
readln;
end.