Легкая задачка на циклы.
ОБЯЗАТЕЛЬНО с циклами.
Pascal. for…do, while…do и repeat…until любой
ОБЯЗАТЕЛЬНО с циклами.
Pascal. for…do, while…do и repeat…until любой
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Answers & Comments
program one;
var izn,sum,i:real;
begin
read(n);
izn := 1 + (1\sqr(2);
sum := izn;
i := 3;
repeat
sum := izn + (1\sqr(i);
i := i+1;
until i = n;
writeln(sum);
end.
ans: Real;
n, i: Integer;
BEGIN
Read(n);
For i := 1 to n do
ans := ans + (1 / Sqr(i));
Write(ans);
END.