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uses crt;
var s,st:string;
d,i:integer;
begin
clrscr;
write('nhap xau:'); readln(s);
d:=length(s);
st:='';
for i:=1 to d do
if s[i]<>'a' then st:=st+s[i];
writeln(st);
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.

3 tháng 3 2021

 Cậu tham khảo nhé!!!

https://hoc24.vn/cau-hoi/viet-chuong-trinh-nhap-mot-xau-tu-ban-phim-thay-ky-tu-39a39-thanh-39i39-va-in-xau-da-thay-ra-man-hinh-thay-tat-ca-chu-39anh39-t.257698320219

uses crt;

var s:string;

begin

clrscr;

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

while pos('a',s)<>0 do

begin

insert('i',s,pos('a',s));

delete(s,pos('a',s),1);

end;

write('Xau sau khi chuyen la : ',s);

readln;

end.

8 tháng 4 2021

program ki_tu;

uses crt;

var s: string;

      d,i,n: integer;

begin

clrscr;

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

n:= length(s);

s:=upcase(s);

write('xau s sau khi duoc in hoa la: ');

writeln(s);

d:=0;

for i:= 1 to n do

if s[i] = 'A' then d:= d+1 ;

writeln('chu cai A xuat hien ',d,' lan');

readln

end.

 

 

 

Uses crt;

Var st:string;

D,i,dem:integer;

Begin

Clrscr;

Write('nhap xau:'); readln(st);

D:=length(st);

Dem:=0;

For i:=1 to d do

If st[i]='A' then inc(dem);

Writeln(dem);

Readln;

End.

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.

uses crt;

var s:string;

i,d,dem:integer;

begin

clrscr;

write('nhap xau S:'); readln(s);

d:=length(s);

dem:=0;

for i:=1 to d do

if st[i]='1' then inc(dem);

writeln(dem);

readln;

end.

17 tháng 5 2021

giúp mk bài tập này nx ko ạ 

 

1 tháng 2 2021

1.

Program HOC24;

var s: string;

i: byte;

begin

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

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

readln

end.

1:

uses crt;

var st:string;

i,d:integer;

begin

clrscr;

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

d:=length(st);

write('Dang dao nguoc cua xau la: ');

for i:=d downto 1 do 

  write(st[i]);

writeln;

for i:=1 to d do 

  st[i]:=upcase(st[i]);

 write('Xau duoi dang in hoa la: ',st);

readln;

end.

2:

uses crt;

var st:string;   

i,d:integer;

begin

clrscr;

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

d:=length(st);

i:=pos('anh',st);

while i<>0 do 

begin     

delete(st,i,3);     

insert('em',st,i);     

i:=pos('anh',st); 

end;

while st[1]=#32 do 

begin     

delete(st,1,1);     

d:=length(st); 

end;

while st[d]=#32 do 

begin     

delete(st,d,1);     

d:=length(st); 

end;

for i:=1 to d do 

while (st[i]=#32) and (st[i+1]=#32) do     

begin       

delete(st,i,1);       

d:=length(st);     

end;

writeln('Xau sau khi xu ly la: ',st);

readln;

end.

18 tháng 2 2021

Program HOC24;

const fi='DL.INP';

fo='DL.OUT';

var s: string;

d,i: byte;

f: text;

procedure ip;

begin

assign(f,fi);

reset(f);

read(f,s);

close(f);

end;

procedure out;

begin

assign(f,fo);

rewrite(f);

d:=0;

for i:=1 to length(s) do if s[i] in ['0'..'9'] then inc(d);

write(f,d);

close(f);

end;

begin

ip;

out;

end.

const fi='dl.inp';

fo='kq.out';

var f1,f2:text;

s:string;

d,i,dem:integer;

begin

assign(f1,fi); reset(f1);

assign(f2,fo); rewrite(f2);

readln(f1,s);

d:=length(s);

dem:=0;

for i:=1 to d do 

  if s[i] in ['0'..'9'] then inc(dem);

writeln(dem);

readln;

end.

#include <bits/stdc++.h>
using namespace std;
int d,i,d1;
string st;
int main()
{
    getline(cin,st);
    d=st.length();
    while (st[0]==32)
    {
       st.erase(0,1);
    }
    while (st[d-1]==32)
    {
        st.erase(d-1,1);
    }
    d1=st.length();
    for (i=0; i<d1; i++)
        if ((st[i]==32) && st[i+1]==32)
        {
            st.erase(i,1);
            i--;
        }
    cout<<st;
    return 0;
}