1)
var a:array [1..10] of integer;
i,sum:integer;
begin
randomize;
sum:=0;
for i:=1 to 10 do
begin
a[i]:=random(100)-50;
write (a[i],' ');
if a[i] < 0 then sum:=sum+a[i];
end;
writeln;
writeln ('Summa: ',sum);
readln;
end.
2)
var a:array [1..10] of integer;
i,max,index:integer;
begin
for i:=1 to 10 do
begin
write ('A[',i,'] = ');
readln (a[i]);
end;
max:=a[1];
index:=1;
for i:=2 to 10 do
if a[i] > max then
begin
max:=a[i];
index:=i;
end;
writeln ('Max: ',max,'.Index: ',index);
readln;
end.
3)
var a:array [1..10] of integer;
max,min,i,temp:integer;
begin
randomize;
for i:=1 to 10 do
begin
a[i]:=random(50);
write (a[i],' ');
end;
writeln;
max:=1;
min:=1;
for i:=2 to 10 do
if a[i] > a[max] then max:=i else
if a[i] < min then min:=i;
writeln ('Max: ',a[max]);
writeln ('Min: ',a[min]);
temp:=a[min];
a[min]:=a[max];
a[max]:=temp;
for i:=1 to 10 do write (a[i],' ');
end.
Ответ:
program RoundLS;
uses
Math;
var
R, L, S: Double;
begin
Write ('Введите радиус: ');
ReadLn (R);
L := 2 * Pi * R;
S := Pi * R * R;
if L < S then
WriteLn ('Длина окружности = ', L :15 :5)
else
WriteLn ('Площадь круга = ', S :15 :5);
ReadLn;
end.