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Update jumpSearch.js

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This commit is contained in:
Libin Yang
2019-05-11 10:13:32 +08:00
committed by GitHub
parent e92c4ae40a
commit 695ac54df2
1 changed files with 21 additions and 23 deletions
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6
Search/jumpSearch.js
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@ -9,8 +9,7 @@ const jumpSearch = (arr, value)=>{
const length = arr.length; const length = arr.length;
let step = Math.floor(Math.sqrt(length)); let step = Math.floor(Math.sqrt(length));
let lowerBound = 0; let lowerBound = 0;
while (arr[Math.min(step, length)-1] < value) while (arr[Math.min(step, length) - 1] < value) {
{
lowerBound = step; lowerBound = step;
step += step; step += step;
if (lowerBound >= length) { if (lowerBound >= length) {
@ -19,8 +18,7 @@ const jumpSearch = (arr, value)=>{
} }
const upperBound = Math.min(step, length); const upperBound = Math.min(step, length);
while (arr[lowerBound] < value) while (arr[lowerBound] < value) {
{
lowerBound++; lowerBound++;
if (lowerBound === upperBound) { if (lowerBound === upperBound) {
return -1; return -1;