24 lines
423 B
JavaScript
24 lines
423 B
JavaScript
const fibonacci = function (d) {
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let order = +d;
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if (order <= 0) {
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return "OOPS";
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} else {
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if (order === 1) {
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return 1;
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} else {
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let prev = 0;
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let next = 1;
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let result;
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for (i = 2; i <= order; i++) {
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result = prev + next;
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prev = next;
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next = result;
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}
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return result
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}
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}
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};
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// Do not edit below this line
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module.exports = fibonacci;
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