摘要:
var x, y,areaWidth,areaHeight; var down;//闪光的判断标准,很好 addEvent(canvas,'mousedown',function(e){ // console.log(e.offsetX + ' '+e.offsetY) down = true; x = e.offsetX; ... 阅读全文
摘要:
Given a non-empty array of integers, return the third maximum number in this array. If it does not exist, return the maximum number. The time complexi 阅读全文
摘要:
Given an array of integers, find if the array contains any duplicates. Your function should return true if any value appears at least twice in the arr 阅读全文
摘要:
Given an array of integers, 1 ≤ a[i] ≤ n (n = size of array), some elements appear twice and others appear once. Find all the elements that appear twi 阅读全文
摘要:
Given an array of integers where 1 ≤ a[i] ≤ n (n = size of array), some elements appear twice and others appear once. Find all the elements of [1, n] 阅读全文