爱读书的菠萝蜜很想去杭州

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题解 | 添加逗号

n = input() n_re = n[::-1] result = '' for i in range(1,len(n)+1): if i%3 == 0: result += n_re[i-1] + ',' else: result += n_re...

2025-06-09

0 10

题解 | 简写单词

words = input().split() s = '' for word in words: s += word[0].upper() print(s)

2025-06-09

0 12

题解 | 无限长正整数排列字符串

n = int(input()) s = '' for i in range(1,n+1): if len(s)>=n: break else: s += str(i) print(s[n-1])

2025-06-09

0 12

题解 | 凯撒加密

n = int(input()) s = input() s_new = '' for char in s: s_new += chr((ord(char)-ord('a')+n)%26+ord('a')) print(s_new)

2025-06-08

0 9

题解 | 斗兽棋

import re import sys bro,sis = input().split() ani_sor = ['elephant','tiger','cat','mouse'] bro_idx = ani_sor.index(bro) sis_idx = ani_sor.index(sis) ...

2025-06-08

0 8

题解 | 年轻人不讲5的

s = input() s_sub = s.replace('5','*') print(s_sub)

2025-06-08

0 7

题解 | 扫雷

import sys n,m = map(int,input().split()) a = [li for li in sys.stdin] total = [['*']*m for _ in range(n)] for i in range(n): for j in range(m): ...

2025-06-08

0 8

题解 | 杨辉三角

n = int(input()) a = [[0]*n for _ in range(n)] s = '' for i in range(n): for j in range(i+1): if j == 0: a[i][j]=1 els...

2025-06-07

0 12

题解 | 矩阵转置

n,m = map(int,input().split()) a = [list(map(int,input().split())) for _ in range(n)] a_reverse = [[0]*n for _ in range(m)] for i in range(n): for...

2025-06-07

0 9

题解 | 上三角矩阵判定

import sys n = int(input()) a = [list(map(int,input().split())) for _ in range(n)] for i in range(1,n): for j in range(i): if a[i][j] != 0...

2025-06-07

0 9