Tin học

tham khảo

program bt;

uses crt;

var a:array[1..1000] of integer;

i,n,tong,tich:integer;

begin

clrscr;

write('Do dai cua day la:'); readln(n);

for i:=1 to n do

begin

write('a[',i,']='); readln(a[i]);

end;

tong:=0; tich:=1;

for i:=1 to n do

begin

tong:=tong + a[i];

tich:=tich*a[i];

end;

write('tong cac so tu nhien nhap tu ban phim:',tong);

writeln;

write('tich cac so tu nhien nhap tu ban phim:',tich);

readln

end.

Câu 5: 

uses crt;

var s,t,i,n:integer;

a:array[1..100]of integer;

begin

clrscr;

readln(n);

for i:=1 to n do readln(a[i]);

t:=0;

s:=1;

for i:=1 to n do 

  begin

t:=t+a[i];

s:=s*a[i];

end;

writeln(t);

writeln(s);

readln;

end.

Var m1,m2,m3,tb:real;

Begin

Write('Nhap diem mon 1 = ');readln(m1);

Write('Nhap diem mon 2 = ');readln(m2);

Write('Nhap diem mon 3 = ');readln(m3);

tb:=(m1+m2+m3)/3;

If (tb>=5) and (m1>=4) and (m2>=4) and (m3>=4) then write('Ket qua: Dau')

Else write('Ket qua: Rot');

Readln;

End.

Câu 5: 

uses crt;

var s,t,i,n:integer;

a:array[1..100]of integer;

begin

clrscr;

readln(n);

for i:=1 to n do readln(a[i]);

t:=0;

s:=1;

for i:=1 to n do 

  begin

t:=t+a[i];

s:=s*a[i];

end;

writeln(t);

writeln(s);

readln;

end.

tham khảo dòng 1 tới dòng 13 :

tham khảo:

Tham khảo:

program tinh_diem;

uses crt;

var N:array[1..10] of integer;

i,s: integer;

begin

for i:=1 to 10 do

begin

write('nhap diem trung binh cua hoc sinh thu ',i); readln(N[i]);

if N[i]<5 then s:=s+1;

end;

write('so hoc sinh co diem trung binh duoi 5 la: ',s);

readln;

end.

uses crt;

const fi='songuyen.inp'

var f1:text;

a:array[1..100]of integer;

i,n,kt,j:integer;

begin

clrscr;

assign(f1,fi); reset(f1);

n:=0;

while not eof(f1) do 

begin

n:=n+1;

readln(f1,a[n]);

end;

for i:=1 to n do 

  if a[i]>1 then 

begin

kt:=0;

for j:=2 to trunc(sqrt(a[i])) do 

  if a[i] mod j=0 then kt:=1;

if kt=0 then write(a[i]:4);

end;

close(f1);

readln;

end.