题目描述:
Convert a non-negative integer to its english words representation. Given input is guaranteed to be less than 2 ^ 31 - 1.
For example,
123 -> "One Hundred Twenty Three" 12345 -> "Twelve Thousand Three Hundred Forty Five" 1234567 -> "One ...
Convert a non-negative integer to its english words representation. Given input is guaranteed to be less than 2 ^ 31 - 1.
For example,
123 -> "One Hundred Twenty Three" 12345 -> "Twelve Thousand Three Hundred Forty Five" 1234567 -> "One ...
Implement int sqrt(int x)
.
Compute and return the square root of x.
实现函数 int sqrt(int x)
.
计算并返回x的平方根(整型)
题目并不要求计算sqrt(x)的精确值,只需返回小于等于sqrt(x)的最大整数即可。
class Solution(object):
def mySqrt(self, x):
"""
:type ...
在Windows命令提示符下使用pip
安装numpy时,提示错误:error: Unable to find vcvarsall.bat
操作系统:Windows 7 x32
Python版本:Python 2.7.2 (default, Jun 12 2011, 15:08:59) [MSC v.1500 32 bit (Intel)] on win32
前置条件:安装pip(https://pypi.python ...
使用amCharts.js绘制柱形图(column chart)时,有时需要默认显示每一个柱子的数值。
通过在AmCharts.AmGraph
中设置labelText
属性为[[value]]
,即可实现上述需求。
效果如下所示:
Given an array containing n distinct numbers taken from 0, 1, 2, ..., n, find the one that is missing from the array.
For example,
Given nums = [0, 1, 3] return 2.
Note:
Your algorithm should run in linear runtime ...