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A+B格式
Calculate a + b and output the sum in standard format -- that is, the digits must be separated into groups of three by commas (unless there are less t ...
分类:其他好文   时间:2019-05-18 23:59:12    阅读次数:361
leetcode [306]Additive Number
Additive number is a string whose digits can form additive sequence. A valid additive sequence should contain at least three numbers. Except for the f ...
分类:其他好文   时间:2019-05-18 18:52:12    阅读次数:131
753. Cracking the Safe
There is a box protected by a password. The password is n digits, where each letter can be one of the first k digits 0, 1, ..., k-1. You can keep inpu ...
分类:其他好文   时间:2019-05-16 23:04:39    阅读次数:251
[LeetCode] 93. Restore IP Addresses
Given a string containing only digits, restore it by returning all possible valid IP address combinations. Example: 使用标志k记录当前所得的子字符串个数。当满足有4个子字符串并且s中的 ...
分类:其他好文   时间:2019-05-14 12:48:14    阅读次数:107
Python自学:第五章 对数字列表执行简单的统计计算
>>>digits = [1,2,3,4,5,6,7,8,9,0] >>>mid(digits) 0 >>>max(digits) 9 >>>sum(digits) 45 ...
分类:编程语言   时间:2019-05-12 11:12:03    阅读次数:150
hdu 4734 F(x)(数位dp)
Problem Description For a decimal number x with n digits (AnAn-1An-2 ... A2A1), we define its weight as F(x) = An * 2n-1 + An-1 * 2n-2 + ... + A2 * 2 ...
分类:其他好文   时间:2019-05-06 01:07:18    阅读次数:145
ARTS打卡第1周
A:Add Two Numbers Medium You are given two non-empty linked lists representing two non-negative integers. The digits are stored in reverse order and e ...
分类:其他好文   时间:2019-05-05 23:10:38    阅读次数:153
吴裕雄 python 机器学习——模型选择参数优化随机搜索寻优RandomizedSearchCV模型
import scipy from sklearn.datasets import load_digits from sklearn.metrics import classification_report from sklearn.linear_model import LogisticRegre... ...
分类:编程语言   时间:2019-05-02 17:10:04    阅读次数:764
吴裕雄 python 机器学习——模型选择参数优化暴力搜索寻优GridSearchCV模型
import scipy from sklearn.datasets import load_digits from sklearn.metrics import classification_report from sklearn.linear_model import LogisticRegre... ...
分类:编程语言   时间:2019-05-02 17:06:00    阅读次数:756
Python验证6174猜想
num=int(input()) c=num while c!=6174: digits=list(str(c)) digits.sort(reverse=True)#排列最大数和最小数 if len(digits)<4: digits.append('0') a=int(''.join(digit... ...
分类:编程语言   时间:2019-05-02 17:04:11    阅读次数:407
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