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TA的专栏 153篇文章 32人订阅

进阶高级测试工程师

142篇文章 1902人学习

AI自动测试化入门到精通

11篇文章 1292人学习

全部文章（共158篇）

题解 | 三角形最小路径和

/** * 代码中的类名、方法名、参数名已经指定，请勿修改，直接返回方法规定的值即可 * * * @param triangle int整型二维数组 * @return int整型 */ export function minTrace(triangle: number[][]): nu...

2025-03-01

0 49

题解 | 总人数超过5的等级

import pandas as pd df = pd.read_csv("Nowcoder.csv", sep=",") df_grouped = df.groupby("Level").size() df_grouped = df_g...

2025-02-25

0 61

题解 | 牛客网用户练习的平均次日留存率

import pandas as pd df = pd.read_csv('nowcoder.csv', sep=',') df['date'] = pd.to_datetime(df['date']).dt.date df1 = df.copy() df1['date'] = df1['d...

2025-02-25

0 92

题解 | 统计牛客网用户的名字长度

import pandas as pd df = pd. read_csv('Nowcoder.csv') print(df['Name'].apply(len))

2025-02-25

0 94

题解 | 牛客网用户最高的正确率

import pandas as pd df = pd.read_csv('Nowcoder.csv') sub = df[df['Num_of_exercise'] > 10] ds = round(sub['Num_of_exercise']/sub['Number_of_submi...

2025-02-25

0 65

题解 | 大佬用户成就值比例

import pandas as pd df = pd.read_csv('Nowcoder.csv') sub_df = df[df['Level'] ==7] seven = sub_df['Achievement_value']/df['Achievement_value'].sum()...

2025-02-25

0 60

题解 | 单组_A+B

import sys for line in sys.stdin: a = line.split() print(int(a[0]) + int(a[1]))

2025-02-25

0 79

题解 | 只有输出

import sys print('Hello Nowcoder!')

2025-02-25

0 73

题解 | 牛客用户刷题量的方差与提交次数的标准差

import pandas as pd df = pd.read_csv('Nowcoder.csv') print('%.2f'%df['Num_of_exercise'].var()) print('%.2f'%df['Number_of_submissions'].std())

2025-02-25

0 95

题解 | 牛客网大佬之间的差距

import pandas as pd df = pd.read_csv('Nowcoder.csv') nmax = df[df['Level'] == 7]['Achievement_value'].max() nmin = df[df['Level'] == 7]['Achievemen...

2025-02-25

0 83