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全部文章（共45篇）

题解 | 凯撒解密

# # 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 # # 进行凯撒解密 # @param password string字符串旺仔哥哥的密码 # @param n int整型每个字符加密过程中错位的次数 # @return string字符串 # class So...

2026-03-04

0 13

题解 | 牛牛的考试

import sys data = sys.stdin.read().split() it = iter(data) T = int(next(it)) for _ in range(T): a = next(it) b = next(it) c = next(i...

2026-03-03

0 16

题解 | 简写单词

import sys data=sys.stdin.buffer.read().split() result=[] for line in data: line=line.decode() result.append(line[0].upper()) print("&qu...

2026-03-03

0 14

题解 | 扫雷

n, m = map(int, input().split()) matrix = [list(input().strip()) for _ in range(n)] directions = [(-1,-1),(-1,0),(-1,1),(0,-1),(0,1),(1,-1),(1,0),(1,...

2026-01-26

0 32

题解 | 凯撒加密

n=int(input()) s=input() c="abcdefghijklmnopqrstuvwxyz" r=[] for i in range(len(s)): x=c.find(s[i]) r.append(c[(x+n)%26]) print(''.j...

2026-01-26

0 31

题解 | 添加逗号

n = int(input()) print(f"{n:,}")

2026-01-25

0 22

题解 | 矩阵转置

n,m=map(int,input().split()) matrix = [] for _ in range(n): row = list(map(int, input().split())) matrix.append(row) a=[] for i in range(m): ...

2026-01-25

0 30

题解 | 上三角矩阵判定

n = int(input()) cou = 0 for i in range(n): a = list(map(int, input().split())) if i == 0: cou += 1 else: count = 0 ...

2026-01-24

0 31

题解 | 记数问题

n,x=map(int,input().split()) count=0 for i in range(1,n+1): count += str(i).count(str(x)) print(count)

2026-01-24

0 34

题解 | 数组计数维护

t=int(input()) s=cnt=0 for j in range(t): n,k=map(int,input().split()) a=list(map(int,input().split())) s=0 for i in range(n): ...

2026-01-24

0 33