Two sum: Difference between revisions

=={{header|Objeck}}==

{{trans|Java}}

<lang objeck>class TwoSum {

function : Main(args : String[]) ~ Nil {

sum := 21;

arr := [0, 2, 11, 19, 90];

Print(TwoSum(arr, sum));

}

function : TwoSum(a : Int[], target : Int) ~ Int[] {

i := 0;

j := a->Size() - 1;

while (i < j) {

sum := a[i] + a[j];

if(sum = target) {

r := Int->New[2];

r[0] := i;

r[1] := j;

return r;

};

if (sum < target) {

i++;

}

else {

j--;

};

};

return Nil;

}

function : Print(r : Int[]) ~ Nil {

'['->Print();

each(i : r) {

r[i]->Print();

if(i + 1 < r->Size()) {

','->Print();

};

};

']'->PrintLine();

}

}

</lang>

Output:

<pre>

[1,3]

</pre>