Viết chương trình nhập vào một mảng số nguyên không quá 250 phần tử. Đếm số phần tử nguyên dương chẵn có trong mảng

2 câu trả lời

uses crt;
var i,n,d:longint; a:array[1..250]of longint;
begin
clrscr;
   write('Nhap so luong phan tu: ');readln(n);
   for i:=1 to n do
      begin
         write('Nhap phan tu thu ',i,': ');readln(a[i]);
         if a[i] mod 2=0 then d:=d+1;
      end;
   writeln('So phan tu nguyen duong chan: ',d);
readln
end.

Program baitap;

Uses crt;

Var A:array[1..250] of integer;

      i,n,dem:integer;

Begin

Clrscr;

Write('So cac so phan tu co trong mang:');

Readln(n);

dem:=0;

For i:=1 to n do

     Begin

     Write('A[',i,']=');

     Readln(A[i]);

     If (A[i]>0 and (A[i] mod 2=0)) then dem:=dem+1;

     End;

Writeln('Co ',dem,' so phan tu nguyen duong chan');

Readln

End.

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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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