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题解(26)

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全部文章（共216篇）

题解 | 排序

n = int(input()) l = [int(i) for i in input().split()] if input() == "0": l.sort() else: l.sort(reverse=True) print(" ".jo...

2025-03-11

0 149

题解 | 小红的合数寻找

x = int(input()) print(2*x if x != 1 else -1)

2025-03-11

0 151

题解 | 小红的正整数计数

l,r = map(int,input().split()) print(r//2-(l-1)//2)

2025-03-11

0 141

题解 | 小红的正整数构造

l,r,x = map(int,input().split()) temp = x while 1: if l<=temp<=r: print(temp) break elif temp > r: print(-1) ...

2025-03-11

0 123

题解 | 彩虹糖的梦

print(min([int(i) for i in input().split()]))

2025-03-11

0 116

题解 | 构造A+B

x,y = map(int,input().split()) print("YES" if x-y>=1 else "NO")

2025-03-11

0 97

题解 | 自守数

l = [1, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5...

2025-03-11

0 80

题解 | 小红的二叉树

n = int(input()) if n == 1: print(0) else: pow1 = pow(2,n-1,1000000007) print((3*pow1-5)%1000000007)

2025-03-10

1 118

题解 | 公共子串计算

a = input() b = input() na,nb = len(a),len(b) dp = [[0]*(nb+1) for _ in range(na+1)] for i in range(1,na+1): for j in range(1,nb+1): if a[...

2025-03-06

0 55

题解 | 统计大写字母个数

a = input() cnt = 0 for i in a: if i.isupper(): cnt += 1 print(cnt)

2025-03-05

0 69