档案日期2015的51

题目描述：

You are given coins of different denominations and a total amount of money amount. Write a function to compute the fewest number of coins that you need to make up that amount. If that amount of money cannot be ...

下面的JavaScript代码利用HTML5 canvas实现了动态的雪花飘落效果，CPU开销也比较小。

原文链接：http://www.oschina.net/code/snippet_436266_46013

JavaScript代码：

<canvas id="christmasCanvas" style="top: 0px; left: 0px; z-index: 5000; position: fixed; pointer-events: none;" ></canvas>

<script type="text/javascript">
  var snow = function() {
    if(1==1) {
      var ...

题目描述：

Given two arrays of length m and n with digits 0-9 representing two numbers. Create the maximum number of length k <= m + n from digits of the two. The relative order of the digits from the same array ...