===== PascalABC.NET
begin
var s := 0.0;
for var i := 1 to ReadInteger('n =') do
s += 1 / Sqrt(i);
Println(s)
end.
1)
var a:array [1..100] of integer;
n,i:integer;
begin
for i:=10 to 99 do begin
a[i]:=i;
if (a[i] mod n=0) then writeln(a[i]);
end;
end.
2)
var a:array [1..100] of integer;
n,k,i,x,y,z: integer;
begin
readln(n,k);
for i:=n to k do begin
a[i]:=i;
x:=a[i] mod 10;
y:=a[i] div 10;
z:=y mod 10;
y:=y div 10;
if (x=y) or (x=z) or (y=z) then writeln(a[i]);
end;
end.
3)
var a,n,an,na: integer;
begin
readln(a,n);
if (a>0) and (b>0) then begin
an:=a*10+n;
na:=n*10+a else writeln('Введены неверные числа!');
end;
end.
Const n=9;
var a:array[1..n,1..n] of integer;
i,j:integer;
begin
for i:=1 to n div 2 do
begin
for j:=1 to i-1 do begin a[i,j]:=0; a[i,n-j+1]:=0; end;
for j:=i to n div 2 do begin a[i,j]:=1; a[i,n-j+1]:=1; end;
end;
for i:=n div 2+1 to n do
begin
for j:=1 to n-i do begin a[i,j]:=0; a[i,n-j+1]:=0; end;
for j:=n-i+1 to n div 2 do begin a[i,j]:=1; a[i,n-j+1]:=1; end;
end;
if n mod 2 = 1
then for i:=1 to n do a[i,n div 2 +1]:=1;
for i:=1 to n do
begin
for j:=1 to n do write(a[i,j]:3);
writeln;
end;
end.
Пример:
1 1 1 1 1 1 1 1 1
0 1 1 1 1 1 1 1 0
0 0 1 1 1 1 1 0 0
0 0 0 1 1 1 0 0 0
0 0 0 0 1 0 0 0 0
0 0 0 1 1 1 0 0 0
0 0 1 1 1 1 1 0 0
0 1 1 1 1 1 1 1 0
1 1 1 1 1 1 1 1 1
IF A > В THEN N = В
IF A < C THEN N = C
N=A+B+C-A
Если я правильно понял, то вот ответ:
A < B и A > C, т.е. ответ б).
<span>ОТВЕТ 3
1.</span> <span>D:\Школа\Ученики\
2.</span><span> D:\Школа\Ученики\Успеваемость
</span>3. <span>D:\Школа\Ученики\Успеваемость\Отличники</span>