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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.
program superSymmetricalSubstring;
var
s: string;
function isSymmetrical(str: string): boolean;
var
i, len: integer;
begin
len := length(str);
for i := 1 to len div 2 do
begin
if str[i] <> str[len - i + 1] then
begin
exit(false);
end;
end;
exit(true);
end;
function countSuperSymmetricalSubstrings(s: string): integer;
var
i, j, len, count: integer;
begin
len := length(s);
count := 0;
for i := 1 to len do
begin
for j := 2 to len - i + 1 do
begin
if isSymmetrical(copy(s, i, j)) then
begin
count := count + 1;
end;
end;
end;
count := count + len;
exit(count);
end;
begin
write('Nhap xau S: ');
readln(s);
writeln('So xau con sieu doi xung cua S: ', countSuperSymmetricalSubstrings(s));
readln;
end.
#include <iostream>
#include <string>
using namespace std;
int main()
{
string st;
int dai,i,kt;
cout<<"Nhap chuoi:"; getline(cin,st);
dai=st.length();
kt=0;
for (int i=0;i<dai;i++)
if (st[i]!=st[dai-i-1]) kt=1;
if (kt==0) cout<<"YES";
else cout<<"NO";
return 0;
}
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.
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;
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.
uses crt;
var st,s:string;
i,d,dem,kt,j,dem1:integer;
begin
clrscr;
write('Nhap xau:'); readln(s);
writeln('Xau vua nhap la: ',s);
d:=length(s);
for i:=1 to d do
if s[i]=#32 then delete(s,i,1);
dem:=1;
st[1]:=s[1];
for i:=1 to d do
begin
kt:=0;
for j:=1 to dem do
if s[i]=st[j] then kt:=1;
if kt=0 then
begin
inc(dem);
st[dem]:=s[i];
end;
end;
for i:=1 to dem do
begin
dem1:=0;
for j:=1 to d do
if st[i]=s[j] then inc(dem1);
writeln(st[i],' xuat hien ',dem1,' lan');
end;
readln;
end.
const fi='input.txt';
fo='output.txt';
var f1,f2:text;
st:string[125];
a:array[1..125]of string;
i,d,dem,kt,j:integer;
begin
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
readln(f1,st);
d:=length(st);
dem:=1;
a[1]:=st[1];
for i:=1 to d do
begin
kt:=0;
for j:=1 to dem do
if a[j]=st[i] then kt:=1;
if kt=0 then
begin
inc(dem);
a[dem]:=st[i];
end;
end;
for i:=1 to dem do
begin
dem1:=0;
for j:=1 to d do
if a[i]=st[j] then inc(dem1);
writeln(f2,a[i],' xuat hien ',dem1,' lan');
end;
close(f1);
close(f2);
end.
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.