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Chương trình:
program bai_10_chuong_4;
uses crt;
var
s: string[100];
i, dem: integer;
Begin
clrscr;
write('Nhap xau vao:'); readln(s); dem:= 0;
for i:= 1 to length(s) do
if ('0'<=s[i]) and(s[i]<=’9') then dem:=dem+l;
Writeln('Trong xau s co '»dem,' chu so thap phan');
readln;
End.
uses crt;
var st:string;
i,d,dem:integer;
begin
clrscr;
write('Nhap xau:'); readln(st);
d:=length(st);
writeln('Xau vua nhap la: ',st);
dem:=0;
for i:=1 to d do
if st[i] in ['0'..'9'] then inc(dem);
writeln(dem);
readln;
end.
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]=#32 then delete(st,i,1);
writeln('Xau moi la: ',st);
readln;
end.
uses crt;
var a,b,c:string;
i,d1,d2:integer;
begin
clrscr;
write('Nhap xau a:'); readln(a);
write('Nhap xau b:'); readln(b);
d1:=length(a);
d2:=length(b);
writeln('Tong do dai hai xau la: ',d1+d2);
c:=#32;
for i:=1 to d1 do
if (a[i] in ['A'..'Z']) or (a[i] in ['a'..'z']) then c:=c+a[i];
for i:=1 to d2 do
if b[i] in ['0'..'9'] then c:=c+b[i];
writeln('Xau c la: ',c);
readln;
end.
uses crt;
var a,b,c:string;
i,d1,d2:integer;
begin
clrscr;
write('Nhap xau a:'); readln(a);
write('Nhap xau b:'); readln(b);
d1:=length(a);
d2:=length(b);
writeln('Tong do dai hai xau la: ',d1+d2);
c:=#32;
for i:=1 to d1 do
if (a[i] in ['A'..'Z']) or (a[i] in ['a'..'z']) then c:=c+a[i];
for i:=1 to d2 do
if b[i] in ['0'..'9'] then c:=c+b[i];
writeln('Xau c la: ',c);
readln;
end.
Use crt;
Var S : String;
P: longint;
Begin
Write('Nhap s: '); readln (S);
For P:=length(S) downto 1 do
Write(P);
Readln;
End.
uses crt;
var st:string;
i,d:integer;
begin
clrscr;
write('Nhap xau:'); readln(st);
d:=length(st);
writeln('Xau ban vua nhap la: ',st);
writeln('Xau nguoc la: ');
for i:=d downto 1 do
write(st[i]:4);
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.
a/ var s: string;
b/ readln(s);
c/ write(length(s));
d/ for i:=1 to length(s) do if s[i] in ['0'..'9'] then write(s[i]);