Ldh1315109

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题解 | #小红的异或构造#

小红的异或构造令就可以满足条件。 def solve(testcase): print(*[i for i in range(1, II() + 1)]) for testcase in range(1): solve(testcase)

2025-11-07

4 19

题解 | 构造序列

fmin = lambda x, y: x if x < y else y def solve(testcase): n, m = MI() print(fmin(n, m + 1) + m if n > m else fmin(m, n + 1) + n) for ...

2025-11-07

2 28

题解 | 最大正方形

def solve(testcase): n = II() s = [I() for _ in range(n)] A = [] for i in range(n): for j in range(n): if s[i][j...

2025-11-07

2 24

题解 | 铺地毯

def solve(testcase): n = II() res = -1 A = [] for _ in range(n): a, b, g, k = MI() A.append((a, b, g, k)) x...

2025-11-07

2 21

题解 | 小苯的数字排序

def solve(testcase): n = II() A = LII() B, C = [], [] for a in A: if a & 1: C.append(a) else: ...

2025-11-07

2 23

题解 | 小红取数

def solve(testcase): n = II() A = LII() res = 0 for a in A: if a & 1: res += 1 print(-1 if not re...

2025-11-07

2 27

题解 | B=A×A

def solve(testcase): n = II() m = int(sqrt(n)) while (m + 1) * (m + 1) <= n: m += 1 while m * m > n: m -= 1 ...

2025-11-07

2 24

题解 | A-B≠C

def solve(testcase): eps = 1e-8 a, b, c = map(float, input().split()) print("YES" if abs(a - b - c) < eps else "NO"...

2025-11-07

2 29

题解 | A×A=B

def solve(testcase): n = II() m = int(sqrt(n)) while m * m > n: m -= 1 while (m + 1) * (m + 1) <= n: m += ...

2025-11-07

2 23

题解 | 全排列

print('\n'.join(' '.join(map(str, p)) for p in permutations([i for i in range(1, II() + 1)])))

2025-11-07

2 38