TypeScript
function twoSum(integers: number[], target: number): number[] { let index1: number = -1; let index2: number = -1; let solved: boolean = false; integers.map((integer1: number, index: number, array: number[]): void => { if (!solved) { const integer2 = ([...array]) .filter((integer: number, _index: number) => _index !== index) .find(integer => integer1 + integer === target); if (integer2) { index1 = array.indexOf(integer1); index2 = array.lastIndexOf(integer2); solved = true; } } return; }); return [index1, index2]; } twoSum([1234, 5678, 9012], 14690); // [1, 2] twoSum([1,2,3], 4); // [0, 2] twoSum([2,2,3], 4); // [0, 1] twoSum([5,10,15,20,25,30], 50); // [3, 5]
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TypeScript