Em không biết làm mong mn giúp🥲 Bài 1: Từ là một dãy liên tiếp các kí tự chữ cái không chứa dấu cách. Nhập vào một xâu s,đếm xem có bao nhiêu từ? Tìm và in ra từ đối xứng dài nhất ( có thể dùng hàm)

dungnguyen.21022001

2 năm trước

Loga Sinh Học lớp 12

0 lượt thích 15 xem

1 trả lời

Thích Trả lời

nkhanhhuyen6789

program bai_giai;
uses crt;
var xau:array[1..255] of string;
s:string;
i,d:byte;
function ktdx(st:string):boolean;
var r:byte;
begin
ktdx:=true;
for r:=1 to length(st) div 2 do
if st[r]<>st[length(st)-r+1] then exit(false);
end;
BEGIN
clrscr;
write('Nhap xau: '); readln(s);
while s[1]=#32 do delete(s,1,1);
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);
d:=1;
for i:=1 to length(s) do
if s[i]<>#32 then xau[d]:=xau[d]+s[i]
else d:=d+1;
writeln('Co ',d,' tu');
for i:=1 to d do
if ktdx(xau[i]) then write(xau[i],' ');
readln;
end.

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mesutozil4561232912

uses crt;
var s,max,a:string; i,n:longint;
function dx(s:string):boolean;
var i:longint;
begin
dx:=true;
for i:=1 to length(s) div 2 do
if s[i]<>s[length(s)-i+1] then dx:=false;
end;
begin
clrscr;
write('s=');readln(s);
s:=' '+s+' ';
for i:=2 to length(s) Do
if (s[i]=' ')and(s[i+1]<>' ') then
begin
inc(n);
if (dx(a))and(length(a)>length(max)) then
max:=a;
a:='';
end else
if s[i]<>' ' then a:=a+s[i];
writeln('Co ',n-1,' tu');
if max='' then writeln('Khong co tu doi xung') else writeln(max);
readln
end.

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