program SumOfSeries;
varn, i, j: integer;sum: real;
beginsum := 0;
write('Enter a natural number: ');readln(n);
for i := 1 to n dobeginfor j := 1 to i dobeginsum := sum + 1/j;end;end;
writeln('Sum of the series: ', sum:0:2);end.
program SumOfSeries;
var
n, i, j: integer;
sum: real;
begin
sum := 0;
write('Enter a natural number: ');
readln(n);
for i := 1 to n do
begin
for j := 1 to i do
begin
sum := sum + 1/j;
end;
end;
writeln('Sum of the series: ', sum:0:2);
end.