Nhập số tiền bán hàng trong 1 tháng của một cửa hàng a) in số tiền bán hàng vừa nhập. b) tính tổng số tiền bán hàng. c) tính trung bình số tiền bán hàng. d) Đếm xem có bao nhiêu ngày số tiền bán hàng cao hơn trung bình và thấp hơn trung bình. Giúp em với mọi người ơi 👏👏👏

1 câu trả lời

Program baitap;

Uses crt;

Var A:array[1..31] of longint;

      i,n,dem1,dem2:integer;

      tb,S:extended;

Begin

Clrscr;

S:=0; dem1:=0; dem2:=0;

Write('So ngay trong thang:'); Readln(n);

Writeln('Nhap so tien cua:');

For i:=1 to n do

     Begin

     Write('Ngay thu ',i,':'); 

     Readln(A[i]);

     S:=S+A[i];

     End;

Write('So tien ban hang vua nhap:');

For i:=1 to n do write(A[i],'     ');

Writeln('Tong so tien ban hang:', S:9:2);

tb:=S/n;

Writeln('Trung binh so tien ban hang:',tb:9:2);

For i:=1 to n do

     Begin

     If A[i]>tb then dem1:=dem1+1;

     If A[i]<tb then dem2:=dem2+1;

     End;

Writeln('Co ',dem1,' ngay so tien ban hang cao hon trung binh');

Writeln('Co ',dem2,' ngay so tien ban hang thap hon trung binh');

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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