Viết chương trình nhập vào 1 số N nguyên dương và in ra màn hình các số chẵn từ 0 đến N, sao cho mỗi 1 dòng có 5 số. (Giải thích: cứ mỗi 5 số sẽ xuống dòng để in ra dòng khác). Lưu ý: Khi viết chương trình, kết thúc mỗi câu lệnh các em sẽ xuống dòng. Gợi ý: Câu lệnh xuống dòng là "writeln;"

2 câu trả lời

uses crt; {khai bao' thu vien crt}

var n,i,dem:integer;

BEGIN

clrscr;{ cau lenh xoa man hinh};

write('Nhap n: ');readln(n);

dem:=0;

for i:=1 to n do

begin

if i mod 2=0 then

begin

write(i:4);

dem:=dem+1;

end;

if dem=15 then

begin dem:=0;

writeln;{in duoc 15 so thi xuong dong};

end;

readln

end

program oken;

uses crt;

var n,i:longint;

begin

clrscr;

write('nhap n: '); readln(n);

for i:=1 to n do

      if i mod 2= 0 then write(n,' ');

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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