Perfect numbers: Difference between revisions

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=={{header|Ada}}==
=={{header|Ada}}==
<lang ada>
<Ada>
function Is_Perfect(N : Positive) return Boolean is
function Is_Perfect(N : Positive) return Boolean is
Sum : Natural := 0;
Sum : Natural := 0;
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return Sum = N;
return Sum = N;
end Is_Perfect;
end Is_Perfect;
</Ada>
</lang>
=={{header|ALGOL 68}}==
=={{header|ALGOL 68}}==
PROC is perfect = (INT candidate)BOOL: (
PROC is perfect = (INT candidate)BOOL: (