const max_size = 100;
var a: array[1..max_size] of real;
i, n: integer;
f: boolean;
begin
read(n); {Во всех задачах считаю, что n <= max_size}
for i := 1 to n do
read(a[i]);
f := true;
for i := 2 to n do
f := f and (a[i] > a[i - 1]);
write(f)
end.
Пример ввода:
4
1 2 3 4
Пример вывода:
TRUE
Задача 2const max_size = 100;
var a: array[1..max_size] of real;
i, n, imax, imin: integer;
temp: real;
begin
read(n);
for i := 1 to n do
read(a[i]);
imax := 1;
imin := n;
for i := 2 to n do
if a[i] > a[imax] then
imax := i;
for i := n - 1 downto 1 do
if a[i] < a[imin] then
imin := i;
temp := a[imax];
a[imax] := a[imin];
a[imin] := temp;
for i := 1 to n do
write(a[i], ' ');
end.
Пример ввода:
4
1 2 3 4
Пример вывода:
4 2 3 1
Задача 3const max_size = 100;
var x: array[1..max_size] of integer;
i, n, temp: integer;
begin
read(n);
for i := 1 to n do
read(x[i]);
for i := 1 to n div 2 do
begin
temp := x[i];
x[i] := x[n - i + 1];
x[n - i + 1] := temp;
end;
for i := 1 to n do
write(x[i], ' ');
end.
Пример ввода:
4
1 2 3 4
Пример вывода:
4 3 2 1
Задача 4const max_size = 100;
var x: array[1..max_size] of integer;
i, n, sum: integer;
begin
read(n);
for i := 1 to n do
read(x[i]);
for i := 1 to n do
if i = x[i] then
sum := sum + x[i];
write(sum)
end.
Пример ввода:
4
1 2 3 4
Пример вывода:
10
const
n = 10;
var
a,b : array[1..n] of integer;
i,j : integer;
begin
randomize;
i := 0;
j := 0;
for i := 1 to n do
begin
a[i] := random(21)-10;
write(a[i],' ');
end;
writeln;
for i := 1 to n do
if (a[i] < 0) and (a[i] mod 2 = 0) then
begin
j := j+1;
b[j] := a[i];
end;
for i := 1 to j do
writeln(b[i]);
readln;
end.