手写数字数据集(下载地址:http://www.cs.nyu.edu/~roweis/data.html) 手写数字数据集包括1797个0-9的手写数字数据,每个数字由8*8大小的矩阵构成,矩阵中值的范围是0-16,代表颜色的深度。 使用sklearn.datasets.load_digits即可加 ...
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其他好文 时间:
2017-08-09 15:40:10
阅读次数:
506
Given a positive integer n, write a program to find out a nonzero multiple m of n whose decimal representation contains only the digits 0 and 1. You m ...
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其他好文 时间:
2017-08-09 11:29:27
阅读次数:
134
Some natural number was written on the board. Its sum of digits was not less than k. But you were distracted a bit, and someone changed this number to ...
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其他好文 时间:
2017-08-08 19:33:12
阅读次数:
210
Last Digits Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 2233 Accepted: 474 Description Exponentiation of one integer by another often p ...
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其他好文 时间:
2017-08-07 22:10:19
阅读次数:
250
145 is a curious number, as 1! + 4! + 5! = 1 + 24 + 120 = 145. Find the sum of all numbers which are equal to the sum of the factorial of their digits ...
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其他好文 时间:
2017-08-07 20:39:37
阅读次数:
160
http://yann.lecun.com/exdb/mnist/ THE MNIST DATABASE The MNIST database of handwritten digits, available from this page, has a training set of 60,000 ...
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其他好文 时间:
2017-08-07 13:37:19
阅读次数:
1488
1.Sum of digits 说明:1.第一行包含要处理的值的数量; 2.然后N行将会描述这些数字的值应该是由3个整数A、B、C来计算的; 3.对于每一种情况,你需要将A乘以B,然后加上C(即A * B+C),然后计算结果的位数。 这里,第一种情况需要计算11*9+1=100,它的数字之和是1+0 ...
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编程语言 时间:
2017-08-06 21:50:41
阅读次数:
197
Given a non-negative integer num, repeatedly add all its digits until the result has only one digit. For example: Given num = 38, the process is like: ...
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其他好文 时间:
2017-08-06 21:48:53
阅读次数:
117
数字和字符串可以使用 format()函数的格式化为特定样式。 语法 format()函数的基本语法是: 以下是所使用的参数的说明: x - 为向量输入 digits - 是显示总位数 nsmall - 是最小位数的小数点右边 scientific - 设置为TRUE,则显示科学记数法 width ...
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编程语言 时间:
2017-08-06 12:47:03
阅读次数:
190
题目: Reverse digits of an integer. Have you thought about this? Here are some good questions to ask before coding. Bonus points for you if you have alr ...
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其他好文 时间:
2017-08-05 15:41:13
阅读次数:
125