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全部文章（共9篇）

题解 | 校门外的树

L,M = map(int,input().split()) road = [1]*(L+1) for _ in range(M): l,r = map(int,input().split()) for i in range(l,r+1): road[i]=0 p...

2025-12-28

0 30

题解 | 约瑟夫环

n,k,m=map(int, input().split()) def pop_pos(n, start_pos, step): return (start_pos+step-1)%n num_list = list(range(n)) cur_n = n cur_k = k while...

2025-12-28

0 27

题解 | 记数问题

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

2025-12-28

0 26

题解 | 数组计数维护

T=int(input()) for _ in range(T): n,k=map(int,input().split()) input_list=list(map(int,input().split())) S=cnt=0 for i in input_list...

2025-12-28

0 26

题解 | 矩阵和向量的点积

def matrix_vector_dot_product(matrix, vector): if len(vector)!=len(matrix[0]): return -1 else: return [sum(a*b for a,b in zip(...

2025-12-28

0 36

题解 | 牛牛的数学作业

T=int(input()) for i in range(T): n=int(input()) input_list=list(map(int,input().split())) print(max(input_list)-min(input_list), end=&qu...

2025-12-28

0 23

题解 | 左侧严格小于计数

n=int(input()) input_list=list(map(int,input().split())) output_list=[] for i in range(len(input_list)): count=0 for j in range(i): i...

2025-12-28

0 23

题解 | 神秘石像的镜像序列

input_list = list(map(int,input().split())) output_list = input_list[::-1][1:] print(" ".join(map(str,output_list)))

2025-12-28

0 21

题解 | 二维斐波那契数列

MOD = 10**9+7 n,m=map(int,input().split()) A = [[0]*m for _ in range(n)] for i in range(n): A[i][0]=1 for j in range(m): A[0][j]=1 for i i...

2025-12-28

0 29