Определите Х: DA16+1218=X10 16, 8 и 10 написано на нижних цифрах

Объяснение:

1)  

var a,b,x,i:integer;

begin

 readln(a);

 x := 0;

 for i := 1 to a do

 begin

   readln(b);

   if (b div 100 > 0) and (b div 100 < 10) and (b mod 2 = 0) then          

   x := x+b;

 end;

 if x <> 0 then  

   writeln(x)

 else  

   writeln('NO')

end.

2)

var a,b,x,i,c:integer;

begin

 readln(a);

 x := 0;

 c :=0;

 for i := 1 to a do

 begin

   readln(b);

   if ((b mod 10 = 4 ) or (b mod 100 = 4)) and (b mod 8 = 0 ) then

   begin

   c:=c+b;

   x := x+1;

   end;

 end;

 writeln(c/x);

 writeln(x)

end.

Объяснение:

1) Var

m: array [1..10, 1..10] of integer;

i,j,c:integer;

Begin

For i:=1 to 4 do

For j:=1 to 8 do

read(m[i,j]);

For i:=1 to 4 do

For j:=1 to 8 do

Begin

m[i,j]:=m[i,j]*m[i,j];

end;

For i:=1 to 4 do

Begin

For j:=1 to 8 do

write(m[i,j],' ');

writeln

end;

end.

2)Var

m: array [1..10, 1..10] of integer;

i,j,c:integer;

Begin

For i:=1 to 6 do

For j:=1 to 5 do

read(m[i,j]);

For i:=1 to 6 do

For j:=1 to 5 do

Begin

m[i,j]:=-1*m[i,j];

end;

For i:=1 to 6 do

Begin

For j:=1 to 5 do

write(m[i,j],' ');

writeln

end;

end.