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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 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.
1:
uses crt;
const fi='ketqua.txt';
var f1:text;
st:string;
i,d:integer;
begin
clrscr;
assign(f1,fi); rewrite(f1);
write('Nhap xau:'); readln(st);
d:=length(st);
for i:=1 to d do
if st[i]=#32 then delete(st,i,1);
writeln(f1,st);
close(f1);
end.
2:
uses crt;
var a,b,c,d:integer;
{----------chuong-trinh-con-----------------------}
function min(x,y:integer):integer;
begin
if x<y then min:=x
else min:=y;
end;
{---------------chuong-trinh-chinh--------------------}
begin
clrscr;
write('a='); readln(a);
write('b='); readln(b);
write('c='); readln(c);
write('d='); readln(d);
writeln(min(a,min(b,min(c,d))));
readln;
end.
Program HOC24;
const fi='bai24.inp';
fo='bai24.out';
var f: text;
s: string;
procedure ip;
begin
assign(f,fi);
reset(f);
read(f,s);
close(f);
end;
procedure out;
begin
assign(f,fo);
rewrite(f);
if s='palindrome' then write(f,'La xau palindrome') else write(f,'Khong phai xau palindrome');
close(f);
end;
begin
ip;
out;
end.
làm chung 1 bài bạn
Program HOC24;
const fi='SNENXAU.INP';
var d: array['A'..'z'] of integer;
i,j,t,l: byte;
s1,s2: string;
f: text;
c: char;
procedure ip;
begin
assign(f,fi);
reset(f);
readln(f,s1);
read(f,s2);
close(f);
end;
BEGIN
ip;
for i:=1 to length(s1) do
if s1[i] in ['A'..'z'] then inc(d[s1[i]]);
for c:='A' to 'z' do
if d[c]>0 then write(d[c],c);
writeln;
t:=0;
for i:=1 to length(s2) do
begin
if s2[1] in ['A'..'z'] then
begin
write(s2[1]);
delete(s2,1,1);
end;
if (s2[i] in ['A'..'z']) and (s2[i-1] in ['A'..'z'])
then write(s2[i]);
if s2[i] in ['0'..'9'] then
begin
val(s2[i],l);
t:=t*10+l;
end;
if not(s2[i] in ['0'..'9']) then
for j:=1 to t do
begin
write(s2[i]);
t:=0;
end;
end;
readln
end.