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Uses crt;
Var st:string;
I,d:integer;
Begin
Clrscr;
Write('nhap xau:'); readln(st);
D:=length(st);
While st[d]=#32 do
Begin
Delete(st,d,1);
D:=length(st);
End;
For i:=1 to d do
If (st[i]=#32) and (st[i+1]=#32) then delete(st,i,1);
Writeln(st);
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.
#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;
}
1:
uses crt;
var a:array[1..100]of integer;
i,n,t:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
t:=0;
for i:=1 to n do
if a[i] mod 2<>0 then t:=t+a[i];
writeln(t);
readln;
end.
3:
const fi='dl.txt';
fo='kq.txt';
var f1,f2:text;
a:integer;
begin
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
readln(f1,a);
writeln(f2,a);
close(f1);
close(f2);
end.
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;
readln(st);
d:=length(st);
for i:=1 to d do
if (st[i]='a') or (st[i]='A') then st[i]:='b';
writeln(st);
readln;
end.
Chương trình:program bai_10_chuong_4;uses crt;vars: string[100];i, dem: integer;Beginclrscr;write('Nhap xau vao:'); readln(s); dem:= 0;for i:= 1 to length(s) doif ('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:integer;
Begin
Clrscr;
Write('nhap xau:'); readln(st);
D:=length(st);
While st[d]=#32 do
Begin
Delete(st,d,1);
D:=length(st);
End;
For i:=1 to d do
If (st[i]=#32) and (st[i+1]=#32) then delete(st,i,1);
Writeln(st);
Readln;
End.