举头三尺有天晴

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题解 | 不重复数字

# cs = int(input()) # for i in range(cs): # n = input() # num =list(map(int,input().split())) # b = set(num) # ans = list(b) # pri...

2026-01-18

0 14

题解 | 宝石计数

# # 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 # # # @param jewels string字符串 # @param stones string字符串 # @return int整型 # class Solution: def numJewel...

2026-01-18

0 14

题解 | 快乐数

# # 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 # # # @param n int整型 # @return bool布尔型 # class Solution: def happynum(self , n: int) -> bool: ...

2026-01-18

0 14

题解 | 穷哈哈~

# -*- coding: utf-8 -*- """ Created on Mon Jan 12 20:30:20 2026 @author: 11924 """ o=int(input()) s = list(input()) max...

2026-01-12

0 21

题解 | 小红的正整数构造

l,r,x=map(int,input().split()) cha=x-(l%x) if l+cha>r: print(-1) else: print(l+cha) 不需要枚举

2026-01-12

0 17

题解 | 括号配对问题

s = list(input()) you = [] stack = [] for x in s: if x=='(' or x==')'or x=='['or x==']': you.append(x) if len(you)%2==0 and you[0] != ']'a...

2026-01-11

0 21

题解 | 牛牛的考试

n = int(input()) for i in range(n): ans={"A":0,"B":0,"C":0,"D":0} for j in range(4): s = input...

2026-01-10

0 24

题解 | 杨辉三角

n = int(input()) for i in range (n): ans=[1] for bc in range(1,i+1): fm=1 fz=1 for m in range(0,bc): fm*=(...

2026-01-09

0 21

题解 | 校门外的树

shu,n = map(int,input().split()) lu=[] for i in range (n): l,r =map(int,input().split()) lu.append([l,r]) lu.sort(key=lambda x: x[0]) colu=[lu...

2026-01-09

0 26

题解 | 约瑟夫环

n,k,m=map(int,input().split()) num=[x for x in range (n)] for i in range (n-1): delpos=(k+m-1)%len(num) del num[(k+m-1)%len(num)] k=delpos...

2026-01-09

0 20