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题解 | 杨辉三角

n=input() n=int(n) row=[0]*n for i in range(n): new_row=[1]*(i+1) for j in range(1,i): new_row[j]=row[j-1]+row[j] row=new...

2025-09-07

0 21

题解 | 校门外的树

import sys a = sys.stdin.readline().split() L, M = int(a[0]), int(a[1]) hash = dict.fromkeys(range(L + 1), 1) for _ in range(M): tree = sys.stdin...

2025-09-07

0 22

题解 | 约瑟夫环

import sys for line in sys.stdin: a = line.split() n, k, m = int(a[0]), int(a[1]), int(a[2]) list = list(range(n)) while len(list)>...

2025-09-07

0 22

题解 | 数组计数维护

import sys line=sys.stdin.readline().strip() test=int(line) for _ in range(test): s,cnt=0,0 a=sys.stdin.readline().split() n,k=int(a[0]...

2025-09-07

0 18

题解 | 左侧严格小于计数

import sys n = int(sys.stdin.readline().strip()) l = list(map(int, sys.stdin.readline().split())) counts = [0] * 11 for num in l: # 计算前面比当前元素小的元...

2025-09-06

0 16

题解 | 神秘石像的镜像序列

import sys for line in sys.stdin: a = line.split() a=list(map(int,a)) a[:]=a[-2::-1] print(' '.join(map(str,a)))

2025-09-06

0 22

题解 | 二维斐波那契数列

import sys for line in sys.stdin: a = line.split() n,m=int(a[0]) , int(a[1]) nm=[m*[1] for _ in range(n)] for i in range(1,n): ...

2025-09-06

0 23