1) а) на Java class example{ public static void main (String[] args){ int k = 0, j = 0; for (int i = 0; i < 10; i++){ k = k + 5; j = j + k; if (i == 9) System.out.print(k); else System.out.print(k + " + "); } System.out.print(" = " + j); } } б) на Pascal var a,b,c:integer; begin for a:=1 to 10 do begin b:=b+5; c:=c+b; if (a = 10) then write(b) else write(b, ' + ') end; write(' = ', c); end. 2) а) на Java class example{ public static void main(String args[]){ for (int x = 50; x >= 40; x--){ double y = (5 * x) + (Math.pow(x, 2)); int i = (int) y; System.out.println(i); } } } б) на Pascal var y:real; x:integer; begin for x:=50 downto 40 do begin y:=(5*x)+sqr(x); writeln(y:0:0); end; end.
Листинг 1:
program sum_cubes;
(c) NaaMan}
function func(x: real): real;
begin
Result := 3*x*x + 3*sin(x);
end;
const
start = 0.0;
finish = 5.0;
step = 0.7;
var
sum, i: real;
n: integer;
begin
sum := 0;
n := 0;
i := start;
while i <= finish do begin
var y: real;
y := func(i);
writeln(i,' ', y:8:3);
if y > 0 then begin
sum := sum + power(y,3);
n := n + 1;
end;
i := i + step;
end;
writeln( 'Sum = ', sum:10:3, ' Count = ', n);
end.
Листинг 2:
program arr_sum_cou;
(c) NaaMan}
var
sum, n: integer;
begin
sum := 0;
n := 0;
var a := ArrRandomInteger(100, -40, 40);
foreach var i in a do
if i < 0 then
sum := sum + i
else
n := n + 1;
writeln('Array: ', a);
writeln( 'Sum = ', sum, ' Count = ', n);
end.
Листинг 3:
program arr_sum_cou;
(c) NaaMan}
var F: boolean;
begin
F := True;
var A := ArrRandomInteger(10, 1, 10);
var B := ArrRandomInteger(10, 1, 10);
writeln(A);
writeln(B);
for var i := 0 to 9 do
if A[i] = B[i] then begin
writeln('Item = ', i, ' Value = ', A[i]);
F := False;
end;
if F then
writeln('Совпадений нет.');
end.