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题解 | 蛇形矩阵

n = int(input()) # 计算第一列数字 frist = 1 for i in range(n): frist += i rowsum = n - i rowlist = [] value = frist # 第一列数字不变，计算增幅得出其他列数字...

2025-04-07

0 44

题解 | 小红的区间构造

import sys for line in sys.stdin: a = [int(_) for _ in line.split("\n")[0].split(" ")] n , k , x = a[0],a[1],a[2] if ...

2025-04-07

0 31

题解 | 小红的正整数构造

import sys for line in sys.stdin: a = line.split("\n")[0].split(" ") l = int(a[0]) r = int(a[1]) x = int(a[2]) ...

2025-04-07

0 30

题解 | 宝石手串

import sys index = 0 count = None count_s = None for line in sys.stdin: a = line.split("\n")[0] if index == 0: index +=1 ...

2025-04-03

0 68

题解 | 最小循环节

import sys s = input() print(len(set(s))) 这个最小循环节最好是找规律因为循环就表示这个字符串*n等于全部串那么不就是set(str)的长度就是这个循环字符串的长度

2025-04-03

0 37

题解 | 求最小公倍数

import sys for line in sys.stdin: a = line.split("\n")[0].split(" ") a0,a1 = int(a[0]),int(a[1]) if a0 % a1 ==0 or a1...

2025-04-03

0 36

题解 | 记票统计

import sys index = 0 he = set() sunhe = [] d = {"Invalid":0} for line in sys.stdin: a = line.split("\n")[0] if index == 1:...

2025-04-03

0 36

题解 | 在字符串中找出连续最长的数字串

s = input() d = [] d_k = 0 temp = "" flag = True for _ in s: if _ in {'1','2','3','4','5','6','7','8','9','0'}: flag = True ...

2025-04-03

0 37

题解 | 走方格的方案数

import sys n,m=list(map(int,input().split())) dp=[[1 for _ in range(m+1)] for _ in range(n+1)] for i in range(1,n+1): for j in range(1,m+1): ...

2025-04-03

0 29

题解 | 合法IP

import ipaddress ip = input() def valid_ip(ip_str): try: ips = ip_str.split(".") if len(ips) != 4: return &q...

2025-04-03

0 36