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uses crt;

const fi='vb.txt';

var f1:text;

st:string;

i,d:integer;

begin

clrscr;

assign(f1,fi); rewrite(f1);

readln(st);

d:=length(st);

for i:=1 to d do 

  if st[i] in ['A'..'Z'] then write(f1,st[i]:4);

close(f1);

readln;

end.

28 tháng 4 2021

Program HOC24;

var s: string;

i: byte;

begin

write('Nhap xau :'); readln(s);

for i:=1 to length(s) do if s[i]<>'a' then write(s[i]);

readln

end.

uses crt;

var st:string;

i,d:integer;

begin

clrscr;

write('Nhap xau:'); readln(st);

d:=length(st);

for i:=1 to d do 

 if st[i]='a' then delete(st,i,1);

writeln(st);

readln;

end.

25 tháng 7 2021

cau 1:

uses crt;

var a:array[1..100] of integer;

n,i,min: integer;

begin

readln(n);

for i:=1 to n do

readln(a[i]);

min:=a[1];

for i:=2 to n do

if min>a[i] then min=a[i];

writeln(a[i]);

readln;

end.

cau 2:

uses crt;

g:text;

s:string;

const fo='CHUSO.TXT';

begin

assign(g,fo);

rewrite(g);

readln(s);

for i:=1 to length(s) do

if not((s[i] in ['a'..'z'])and(s[i] in ['A'..'Z])) then delete(s,i,1);

writeln(g,s);

end.

Bài 3: 

uses crt;

const fi='teptong.txt';

var a,b:integer;

f1:text;

begin

clrscr;

assign(f1,fi); rewrite(f1);

readln(a,b);

writeln(a+b);

writeln(f1,a+b);

close(f1);

readln;

end.

3 tháng 4 2021

Program HOC24;

var S: string;

d,i: byte;

begin

write('S= '); readln(s);

For i:= length(s) downto 1 do write(s[i]);

writeln;

while s[length(s)]=#32 do delete(s,length(s),1);

while pos(#32#32,s)<>0 do delete(s,pos(#32#32,s),1);

while s[1]=#32 do delete(s,1,1);

d:=0;

for i:=1 to length(s) do d:=d+1;

write('So tu :',d);

readln

end.

uses crt;

var s:string[200];

i,d,dem:integer;

begin

clrscr;

write('Nhap xau:'); readln(s);

d:=length(s);

write('Xau viet theo chieu nguoc la: ');

for i:=d downto 1 do 

  write(st[i]);

writeln;

dem:=0;

for i:=1 to d do 

  if st[i]=#32 then inc(dem);

writeln('So tu la: ',dem);

readln;

end.

16 tháng 3 2023

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.

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.

uses crt;

var s:string;

i,d:integer;

begin

clrscr;

write('Nhap xau:'); readln(s);

d:=length(s);

for i:=1 to d do 

  s[i]:=upcase(s[i]);

writeln(s);

readln;

end.