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#include <bits/stdc++.h>
using namespace std;
string st;
int d,i,dem;
int main()
{
getline(cin,st);
d=st.length();
dem=0;
for (i=0; i<d; i++) if (st[i]=' ') dem++;
cout<<dem+1;
return 0;
}
câu 1 Uses Crt;
Var St:String;
dem: Array[‘A’..’Z’] Of Byte
; i:Byte;
ch:Char;
Begin Write(‘Nhap xau St: ‘);
Readln(St);
{Khởi tạo mảng} For ch:=’A’ To ‘Z’ Do dem[ch]:=0;
{Duyệt xâu} For i:=1 To Length(St) Do If Upcase(St[i]) IN [‘A’..’Z’] Then Inc(dem[Upcase(St[i])]);
{Liệt kê các ký tự ra màn hình} For ch:=’A’ To ‘Z’ Do If dem[ch]>0 Then Writeln(ch,’ : ’,dem[ch]);
Readln;
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[100];
i,d,kt:integer;
begin
clrscr;
write('Nhap xau:'); readln(st);
kt:=0;
for i:=1 to length(st) do
if st[i]<>st[length(st)-i+1] then kt:=1;
if kt=0 then write('Xau doi xung')
else writeln('Xau khong doi xung');
readln;
end.
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.
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[30];
i,d,dem,dem1:integer;
ktu:char;
begin
clrscr;
write('Nhap cau:'); readln(st);
d:=length(st);
while st[1]=#32 do
begin
delete(st,1,1);
d:=length(st);
end;
while st[length(st)]=#32 do
begin
delete(st,length(st),1);
end;
for i:=1 to length(st) do
if (st[i]=#32) and (st[i+1]=#32) then delete(st,i,1);
dem:=0;
for i:=1 to length(st) do
if st[i]=#32 then inc(dem);
writeln('So tu trong cau la: ',dem-1);
write('Nhap ki tu:'); readln(ktu);
dem1:=0;
for i:=1 to length(st) do
if (st[i]=#32) and (st[i+1]=ktu) then inc(dem1);
writeln('Trong cau co ',dem1,' tu bat dau bang ki tu ',ktu);
readln;
end.