问题 在Pycharm中运行import tensorflow as tf时报错。
解决方案 此时点开报错中的dtypes.py文件,对其进行修改。 从# hard-coding of names.这里开始,修改所有以_np_q开头的代码行,同时也要修改最后一行的np_resource。
# hard-coding of …
Given an integer array nums of 2n integers, group these integers into n pairs (a1, b1), (a2, b2), …, (an, bn) such that the sum of min(ai, bi) for all i is maximized. Return the maximized sum.
思路 这道题要使得各最小值相加最小,就要使得的每一组…
Given a string s which consists of lowercase or uppercase letters, return the length of the longest palindrome that can be built with those letters. Letters are case sensitive, for example, “Aa” is not considered a palindrome here.
思路 首先学习一个新单…
Python里读取txt文件的方法有很多,但numpy读取字符串比较困难,这时可以考虑使用csv库,读取txt文件中的每一行文本。
代码
data []
with open(*******.txt, rt) as csvfile:reader csv.reader(csvfile, delimiter,)for row in reader:data…