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Var a: string;
i, Dem: integer;
Begin
writeln(‘nhap xau:’);
Readln(a);
Dem:=0;
For i:=1 to length(a) do
If a[i] =’ ‘ then
Dem:= Dem+1;
Writeln(Dem);
Readln
End.
uses crt;
var st:string;
i,d:integer;
begin
clrscr;
readln(st);
d:=length(st);
for i:=1 to d do
begin
if st[i]=' ' then writeln
else write(st[i]);
end;
readln;
end.
Bài 1:
uses crt;
var S:String;
vt:integer;
begin
clrscr;
Write(‘Nhap 1 xau:’); Readln(S);
While pos(‘nang’,s)>0 do
Begin
Vt:= pos(‘nang’,s);
Delete(s,vt,4);
Insert(‘mua’,s ,vt);
End;
Writeln(‘Xau sau khi thay the ’,s);
Readln;
End.
Bài 2:
uses crt;
var st:string;
d,i,kt:integer;
begin
clrscr;
write('Nhap xau:'); readln(st);
d:=length(st);
kt:=0;
for i:=1 to d do
if st[i]<>st[d-i+1] then kt:=1;
if kt=0 then writeln(st,' la xau doi xung')
else writeln(st,' khong la xau doi xung');
readln;
end.
Var a: string;
i, Dem: integer;
Begin
writeln(‘nhap xau:’);
Readln(a);
Dem:=0;
For i:=1 to length(a) do
If (‘a’<=a[i]) and (a[i]<=’z’)
Dem:= Dem+1;
Writeln(Dem);
Readln
End.
Var a: string;
i, Dem: integer;
Begin
writeln(‘nhap xau:’);
Readln(a);
Dem:=0;
For i:=1 to length(a) do
If (‘A’<=a[i]) and (a[i]<=’Z’) then
Dem:= Dem+1;
Writeln(Dem);
Readln
End.
uses crt;
var st:string;
i,d,dem:integer;
begin
clrscr;
write('Nhap xau:'); readln(st);
d:=length(st);
dem:=0;
for i:=1 to d do
if (st[i] in ['a'..'z']) or (st[i] in ['A'..'Z']) then inc(dem);
writeln(dem);
readln;
end.
uses crt;
var st:string;
i,d,dem:integer;
begin
clrscr;
write('Nhap xau:'); readln(st);
d:=length(st);
dem:=0;
for i:=1 to d do
if st[i]=#32 then inc(dem);
writeln(dem);
readln;
end.