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全部文章（共111篇）

题解 | 牛客昵称信息

import numpy as np data = np.genfromtxt('Nowcoder.csv',delimiter=',',dtype=str) data[:,1] = np.char.strip(data[:,1]) couples = np.char.add(data[:,0]...

2025-08-04

0 26

题解 | 彩灯方阵的变形

import numpy as np data = np.loadtxt('Matrix.csv',delimiter=',',dtype=np.int32) print(data.ravel(order='F')) print(data.ravel(order='F').reshape(4,1...

2025-07-22

0 25

题解 | 按照老板需求修改报表

import numpy as np data = np.loadtxt("Table.csv",delimiter=',') print(data[:,::-1].T)

2025-07-21

0 35

题解 | 作业帮的计算器

import numpy as np data = np.loadtxt("Zuoye.csv",delimiter=',') a = data[0,:] b = data[1,:] c = data[2,:] d = data[3,:] e = data[4,:] resu...

2025-07-21

0 28

题解 | 牛客年会

import numpy as np data = np.genfromtxt('Nowcoder.csv',delimiter=',',dtype=int) print(data[:,1]) print(data[5,4:9])

2025-07-17

0 42

题解 | 短视频用户数据和购买数据

import pandas as pd users_df = pd.read_csv("Tk.csv") high_fans_id = users_df.loc[users_df['Fans'] > 10000,'ID'].tolist() consume_df = p...

2025-07-08

0 31

题解 | 短视频用户数据分析

import pandas as pd df = pd.read_csv('Tk.csv') print(df['Days'].median()) print(int(df['Fans'].max())) print(round(df[df['Days'] > 0]['Cost'].mea...

2025-07-01

0 51

题解 | 筛选618的订单

import pandas as pd df = pd.read_csv("Order.csv",dtype='object') df['date'] = pd.to_datetime(df['date'],errors='coerce') df_618 = df[(df['...

2025-06-26

0 29

题解 | 多部门的打工人

class Nowcoder: def __init__(self,name,ID,num) -> None: self.name = name self.ID = int(ID) self.num = int(num) def...

2025-06-20

0 33

题解 | 打工人的统计

class Nowcoder: def __init__(self,name,ID,num) -> None: self.name = name self.ID = int(ID) self.num = int(num) ...

2025-06-20

0 29