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分享编程代码,学习进步每一天!
二分查找
function bubbleSort(arr) {
var len = arr.length;
for (var i = 0; i < len - 1; i++) {
for (var j = 0; j < len - 1 - i; j++) {
if (arr[j] > arr[j+1]) { // 相邻元素两两对比
var temp = arr[j+1]; // 元素交换
arr[j+1] = arr[j];
arr[j] = temp;
}
}
}
return arr;
}
快速排序
class Solution {
public int search(int[] nums, int target) {
int pivot, left = 0, right = nums.length - 1;
while (left <= right) {
pivot = left + (right - left) / 2;
if (nums[pivot] == target) return pivot;
if (target < nums[pivot]) right = pivot - 1;
else left = pivot + 1;
}
return -1;
}
}