张鑫瑞1

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题解 | 用两个栈实现队列

# -*- coding:utf-8 -*- class Solution: def __init__(self): self.stack1 = [] self.stack2 = [] def push(self, node): # w...

2026-01-24

0 8

题解 | 求峰谷点数

# # 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 # # 求序列a中的峰、谷点的个数 # @param a int整型一维数组序列a # @return int整型 # class Solution: def countPeakPoint(self , a:...

2026-01-24

0 7

题解 | 两直线交点

class Point: def __init__(self, x=0.0, y=0.0): self.x = x self.y = y class Line: def __init__(self, point_a=None, point_b=No...

2026-01-23

0 5

题解 | 直线与圆交点间距

import re class Point: def __init__(self, A, B): self.x = A self.y = B class Line: def __init__(self, A, B): self.poi...

2026-01-23

0 7

题解 | 点到直线距离

import math class Point: def __init__(self, x, y): self.x = x self.y = y class Line: def __init__(self, point_a, point_b): ...

2026-01-23

0 7

题解 | 点到直线距离

import math class Point: def __init__(self, x, y): self.x = x self.y = y class Line: def __init__(self, point_a, point_b): ...

2026-01-22

0 5

题解 | 最厉害的学生

N = int(input()) max_score = 0 for _ in range(N): l = input().split() s = l[0] c1 = int(l[1]) c2 = int(l[2]) c3 = int(l[3]) to...

2026-01-22

0 8

题解 | 字符串操作

n, m = map(int, input().split()) s = input().strip() for _ in range(m): l, r, ch1, ch2 = input().split() l, r = int(l) - 1, int(r) s = s...

2026-01-22

0 9

题解 | 牛牛的考试

T = int(input()) for _ in range(T): # 一次性读取4个输入并计算长度，减少变量定义 lengths = [len(input()) for _ in range(4)] labels = ["A", "B&qu...

2026-01-22

0 5

题解 | 无限长正整数排列字符串

def find_nth_char(n): # 初始化：n位数、n位数的数字起始值、n位数的数字总数 digit_length = 1 # 初始为1位数 start_num = 1 # 1位数从1开始 count = 9 # 1位数有9个 # 第一步：找...

2026-01-22

0 8