Nhập từ bàn phím một xâu. Đếm số lần xuất hiện của từ "Tin" trong sâu... (Giúp nhanh nha mọi người)

2 câu trả lời

Program Hotboy ;

  Uses crt;

  var Hb:string;

  i,d:byte;

  k:char;

  Begin

  Clrscr;

   D:=0;

   Write('Nhap xau tu ban phim ');         

   Readln(Hb);

Write('nhap ki tu bat ki');

Readln(k);

   For i:=1 to length(Hb) do

   if (Hb[i]=k ) then inc(d);

   write('So ki tu ',k,' trong xau do la: ',d);

   Readln

   End.

code pascal:

program bai_tap;

uses crt;

var s,x:string;

d,i:longint;

begin

clrscr;

write('nhap 1 sau=  ');

read(s);

x:='Tin';

d:=0;

for i:=1 to length(s) do

if pos(x,s)<>0 then

begin

Delete(S,pos(x,s),3);

d:=d+1;

end;

write('So lan xuat hien cua tu Tin la: ',d);

readln;

readln;

end.

Câu hỏi trong lớp Xem thêm

giup e voi I/ Supply the correct form of the verbs in brackets 1. You (think) ……………………… collecting stamps costs much money? 2. Every year, my mother (give) ……………………… me a nice doll on my birthday. 3. Jenny says she loves collecting pens but she (not/continue) ……………………… this hobby from next year. 4. If you wash your hands more, you (have)……………………. less chance of catching flu. 5. Getting plenty of rest is very good. It (help)…………………. you to avoid depression. 6. Mr. John (be) ……………………… principal of our school since last year. 7. I (see) ……………………… a car accident on this corner yesterday. 8. We like (come)……………………to school by bus, but we hate (stand)………………………. and (wait) …………………… in the rain. 9. ……………………… (you/ ever/ meet) anyone famous? 10. My mother (come) ……………………… to stay with us next weekend. 11. When he lived in Manchester, he (work) ……………………… in a bank. 12. We (be) ……………………… students for four years. 13. We are planting trees around our school now. Our school (be) ……………………… surrounded by a lot of green trees. 14. What ……………………… your father usually ……………………… (do) in the evenings? 15. My sister likes (cook) ……………………… very much. She can cook many good foods. 16. My father says when he's retired, he (go) …………………… back to his village to do the gardening. 17. They want (buy) ……………………… some meat for dinner. 18. Linh is my best friend. We (know) ……………………… each other for 5 years. 19. I enjoy (fish) ……………………… because it is relaxing. 20. How about (go) ……………………… to the movie theatre?

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